GRAPH 25+ PRO - Graphing calculator CASIO - Free user manual and instructions

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USER MANUAL GRAPH 25+ PRO CASIO

Page Page Page Page 5-5 5-3 5-29 5-32 5-1 5-25 1-22 1-26 1-23 1-27 1-2 2-14 1-19, 2-14 2-14 2-14 2-13 2-31 2-14 1-11 2-19 1-12 1-19 2-19 1-19 2-19 Page 1-30 2-13 2-13 10-11 2-1 Page 1-8 2-1 Page 1-9 10-10 2-6 Page Page 1-6, 1-14 1-16 1-6 1-9 2-1 3-2 2-1 2-42 2-1 2-31 2-13 2-7 2-9 2-1 2-1

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• The “E-CON2 Mode” provides the functions listed below for simple and more efficient data sampling using the CASIO EA-200.
• 1(SET) ........ Displays a screen for setting up the EA-200.
• 2(MEM) ....... Displays a screen for saving EA-200 setup data under a file name.
• 3(PROG) ..... Performs program conversion.
• This function can be used to convert EA-200 setup data configured using E-CON2 to an EA-200 control program (or EA-100 control program) that can run on the fx-9860G SD/fx-9860G.
• It also can be used to convert data to a program that can be run on a CFX-9850 Series/fx-7400 Series calculator.
• 4(STRT) ...... Starts data collection.
• 5(GRPH) ..... Graphs data sampled by the EA-200, and provides tools for analyzing graphs. Graph Analysis tools include calculation of periodic frequency, various types of regression, Fourier series calculation, and more.
• 6(HELP) ...... Displays E-CON2 help.
• Pressing the K key (Setup Preview) or a cursor key while the E-CON2 main menu is on the screen displays a preview dialog box that shows the contents of the setup in the current setup memory area. To close the preview dialog box, press J. Note For details about setup data and the current setup memory area, see “6 Using Setup Memory” (page 6-1). About online help Pressing the 6(HELP) key displays online help about the E-CON2 Mode.

2-1 Using the Setup Wizard 2 Using the Setup Wizard This section explains how to use the Setup Wizard to configure the EA-200 setup quickly and easily simply by replying to questions as they appear. If you need more control over specific sampling parameters, you should consider using the Advanced Setup procedure on page 3-1. k Setup Wizard Parameters Setup Wizard lets you make changes to the following three EA-200 basic sampling parameters using an interactive wizard format.

• Sensor (Select Sensor): Specify a CASIO or VERNIER* sensor from a menu of choices. *Vernier Software & Technology
• Total Sampling Time: Specify a value within the range of 0.01 second to 30 days.
• Sampling Time Unit (Select Unit): Specify seconds (sec), minutes (min), hours (hour), or days (day) as the time unit of the value you input for the total sampling time (Total Sampling Time). Note For some sensors (EA-200 built-in microphone, Vernier PhotoGate, etc.), sampling parameters are different from those shown above. The differences between sampling parameters and setup procedures for each sensor are described in this section. Setup Wizard Rules Note the following rules whenever you use the Setup Wizard.
• The EA-200 sampling channel is CH1 or SONIC.
• The trigger for a Setup Wizard setup is always the w key.

2-2 Using the Setup Wizard u To configure an EA-200 setup using Setup Wizard Before getting started...

• Before starting the procedure below, make sure you first decide if you want to start sampling immediately using the setup you configure with Setup Wizard, or if you want to store the setup for later sampling.
• See sections 6-1, 7-1, and 8-1 of this manual for information about procedures required to start sampling and to store a setup. We recommend that you read through the entire procedure first, referencing the other sections and pages as noted, before actually trying to perform it.
• To terminate Setup Wizard part way through and cancel the setup, press !J(QUIT).

1. Display the E-CON2 main menu (page 1-1).

2. Press 1(SET) and then 1(WIZ).

• This launches the Setup Wizard and displays the “Select Sensor” screen.

3. Press 1 to specify a CASIO sensor or 2 to specify a Vernier sensor.

• Pressing either key will display the corresponding sensor list. The following shows the sensor list that appears when you press 1.

4. Specify the sensor you want to use.

Use the f and c cursor keys to move the highlighting to the sensor you want to use, and then press w.

• If the sensor you specified has more than one option (more detailed specifications, such as sampling unit, mode, etc.), an option list will appear on the display at this time. If this happens, advance to step 5 (where you will see an example of the screen that appears when you select 1 - [Temperature] in step 4).

• If the “Input Total Sampling Interval” screen appears, skip to step 6.

5. Select the options for the sensor you specified in step 4.

Use the f and c cursor keys to move the highlighting to the option you want to select, and then press w.

• If the “Input Total Sampling Interval” screen appears, advance to step 6. Important! When special settings are required by the sensor and/or option you select, other screens other than the “Input Total Sampling Interval” screen will appear on the display. The following shows where you should go to find information about the operations you need to perform for each sensor/option selection. If you select this sensor/option: Go here for more information: [CASIO] - [Microphone] - [Sound wave & FFT] [CASIO] - [Microphone] - [FFT only] “Using Setup Wizard to Configure Settings for FFT (Frequency Characteristics) Data Sampling” on page 2-5 [VERNIER] - [Photogate] - [Gate] “To configure a setup for PhotoGate alone” on page 2-6 [VERNIER] - [Photogate] - [Pulley] “To configure a setup for PhotoGate and Smart Pulley” on page 2-7 [CASIO] - [Speaker] - [y=f(x)] “Outputting the Waveform of a Function through the Speaker” on page 2-8

6. Use the number input keys to input the total sampling time. Just input a value.

In step 8 of this procedure, you will be able to specify the unit (seconds, minutes, hours, days) of the value you input here. Note

• With some sensors ([CASIO] - [Microphone] - [Sound wave], etc.) sampling time is limited to a few seconds. The unit for such a sensor is always seconds, and so the “Select Unit” screen does not appear.
• If you specify a total sampling time value in the range of 10 seconds to 23 hours, 59 minutes, 59 seconds, real-time graphing will be performed during sampling. This is the same as selecting the Realtime Mode on the “Advanced Setup” screen.

• This displays a confirmation screen like the one shown below.

9. If there is not problem with the contents of the confirmation screen, press 1.

If you need to change the setup, press 6 or J. This will return to the screen in step 4 (for setting the total sampling interval), where you can change the setting.

• Pressing 1 will take you to the final Setup Wizard screen.

10. Press number keys described below to specify what you want to do with the setup you

2-5 Using the Setup Wizard k Using Setup Wizard to Configure Settings for FFT (Frequency Characteristics) Data Sampling When you perform sound sampling executed the EA-200’s built-in microphone (by specifying [CASIO] - [Microphone] as the sensor), Setup Wizard will provide you with three options: [Sound wave], [Sound wave & FFT], and [FFT only]. “Sound wave” records the following two dimensions for the sampled sound data: elapsed time (horizontal axis) and volume (vertical axis). “FFT” records the following two dimensions: frequency (horizontal axis) and volume (vertical axis). The following shows the settings for recording FFT data.

1. Perform the first two steps of the procedure under “To configure an EA-200 setup using

Setup Wizard” on page 2-2.

2. On the “Select Sensor” screen, select [CASIO] - [Microphone] - [Sound wave & FFT] or

[CASIO] - [Microphone] - [FFT only].

• This causes a “Select FFT Range” screen to appear.

• You can select one of four settings for FFT Range. The setting you select will automatically apply the applicable fixed parameters shown below. Parameter Setting 2 - 1000 Hz:

Frequency pitch Frequency max Sampling interval Number of samples 2 Hz 1000 Hz 61 μ sec

The following explains the meaning of each parameter. Frequency pitch: Pitch in Hz at which sampling is performed Frequency max: Upper limit of sampling frequency (lower limit is fixed at 0 Hz) Sampling interval: Interval in μ seconds at which sampling is performed Number of samples: Number of times sampling is performed

3. Use function keys 1 through 4 to select an FFT Range setting.

• Selecting an FFT Range causes the final Setup Wizard screen to appear.

4. Perform step 10 under “To configure an EA-200 setup using Setup Wizard” on page 2-2

to finalize the procedure.

2-6 Using the Setup Wizard k Using Setup Wizard to Configure a PhotoGate Setup Connection of a Vernier PhotoGate requires configuration of setup parameters that are slightly different from parameters for other types of sensors. u To configure a setup for PhotoGate alone

1. Perform the first two steps of the procedure under “To configure an EA-200 setup using

Setup Wizard” on page 2-2.

• This causes a “Gate Status” screen to appear.

• “Open” means the photo path is not blocked, while “Close” means the photo path is blocked.
• The gate status defines what PhotoGate status should cause timing to start, and what status should cause timing to stop. Open-Open ...... Timing starts when the gate opens, and continues until it closes and then opens again. Open-Close ...... Timing starts when the gate opens, and continues until it closes. Close-Open ...... Timing starts when the gate closes, and continues until it opens. Close-Close ...... Timing starts when the gate closes, and continues until it opens and then closes again.

4. Use function keys 1 through 4 to select a Gate Status setting.

• Selecting a gate status causes a screen for specifying the number of samples to appear.

5. Input an integer in the range of 1 to 255 to specify the number of samples.

6. Perform step 10 under “To configure an EA-200 setup using Setup Wizard” on page 2-2

to finalize the procedure. u To configure a setup for PhotoGate and Smart Pulley

1. Perform the first two steps of the procedure under “To configure an EA-200 setup using

Setup Wizard” on page 2-2.

2. On the “Select Sensor” screen, select [VERNIER] - [Photogate] - [Pulley].

• This causes an “Input Distance(m)” screen to appear.

• The distance you specify here is the distance the weight travels after it is released.
• Input a value in the range of 0.1 to 4 to specify the distance in meters.

3. Perform step 10 under “To configure an EA-200 setup using Setup Wizard” on page 2-2

to finalize the procedure.

2-8 Using the Setup Wizard k Outputting the Waveform of a Function through the Speaker Normally, the Setup Wizard helps you configure setups for sensors connected to the EA-200. If you select [CASIO] - [Speaker] - [y=f(x)] on the “Select Sensor” screen, however, it configures the EA-200 to output the sound that corresponds to a function that you input and graph on the calculator. u To configure a setup for speaker output

1. Connect the data communication cable (SB-62) to the communication port of the

calculator and the MASTER port of the EA-200.

2. Perform the first two steps of the procedure under “To configure an EA-200 setup using

Setup Wizard” on page 2-2.

3. On the “Select Sensor” screen, select [CASIO] - [Speaker] - [y=f(x)].

This displays a screen like the one shown below.

4. Press w to advance to the View Window setting screen.

• The following settings are configured automatically: Ymin = –1.5 and Ymax = 1.5. Do not change these settings.

5. Press w or J to advance to the graph function list.

6. In line “Y1”, input the function of the waveform for the sound you want to input.

• Note that the angle unit is always radians.
• Input a function where the value of “Y” is within the range of –1.5 to +1.5.

7. Press 6(DRAW) to graph the function.

• This graphs the function and displays a vertical cursor line as shown below. Use the graph to specify the range that you want to output to the speaker.

8. Use the d and e cursor keys to move the cursor to the start point of the output, and

then press w to register it.

9. Use the d and e cursor keys to move the cursor to the end point of the output, and

then press w to register it.

• After you specify the start point and end point, an output frequency dialog box shown below appears on the display.

10. Input a percent value for the output frequency value you want.

• To output the original sound as-is, specify 100%. To raise the original sound by one octave, input a value of 200%. To lower the original sound by one octave, input a value of 50%.

11. After inputting an output frequency value, press w.

• This outputs the waveform between the start point and end point from the EA-200 speaker.
• If the sound you configured cannot be output for some reason, the message “Range Error” will appear. If this happens, press J to scroll back through the previous setting screens and change the setup as required.

12. To terminate sound output, press the EA-200 [START/STOP] key.

• This displays a screen like the one shown below.

14. Perform one of the following operations, depending on what you want to do.

To change the output frequency and try again: Press 1(Yes) to return to the “Output Frequency” dialog box. Next, repeat the above steps from step 10. To change the output range of the waveform graph and try again: Press 6(No) to return to the graph screen in step 7. Next, repeat the above steps from step 8. To change the function: Press 6(No) and then J to return to the graph function list in step 6. Next, repeat the above steps from step 6. To exit the procedure and return to the E-CON2 main menu: Press 6(No) and then press J twice.

3-1 Using Advanced Setup 3 Using Advanced Setup Advanced Setup provides you with total control over a number of parameters that you can adjust to configure the EA-200 setup that suits your particular needs. The procedures in this section provide the general steps you should perform when using Advanced Setup to configure an EA-200 setup, and to returns setup settings to their initial default values. You can find details about individual settings and the options that are available with each setting are provided by the explanations that start on page 3-3. k Advanced Setup Operations u To configure an EA-200 setup using Advanced Setup The following procedure describes the general steps for using Advanced Setup. Refer to the pages as noted for more information.

4. If you want to configure a custom probe at this point, press f(Custom Probe). Next,

follow the steps under “To configure a custom probe setup” on page 4-1.

• You can also configure a custom probe during the procedure under “To configure Channel Setup settings” on page 3-3.
• Custom probe configurations you have stored in memory can be selected using Channel in step 5, below.

5. Use the Advanced Setup function keys described below to set other parameters.

• b(Channel) .... Displays a screen that shows the sensors that are currently assigned to each channel (CH1, CH2, CH3, SONIC, Mic). You can also use this dialog to change sensor assignments. See “Channel Setup” on page 3-3 for more information.
• c(Sample) ..... Displays a screen for selecting the sampling mode, and for specifying the sampling interval, the number of samples, and the warm-up mode. When “Fast” is selected for “Mode”, this dialog box also displays a setting for turning FFT (frequency characteristics) graphing on and off. See “Sample Setup” on page 3-5 for more information.

• d(Trigger) ...... Displays a screen for configuring sampling start (trigger) conditions. See “Trigger Setup” on page 3-8 for more information.
• e(Graph) ....... Displays a screen for configuring graph settings. See “Graph Setup” on page 3-13 for more information.
• You can return the settings on the above setup screens (b through e) using the procedure described under “To return setup parameters to their initial defaults”.

6. After you configure a setup, you can use the function key operations described below to

start sampling or perform other operations.

• 1(STRT) ...... Starts sampling using the setup (page 8-1).
• 4(PROG) ..... Converts the setup to a program (page 7-1).
• 5(GRPH) ..... Graphs data sampled by the EA-200, and provides tools for analyzing graphs (page 10-1).
• 6(ABT) ........ Displays version information about the EA-200 unit that is currently connected to the calculator. u To return setup parameters to their initial defaults Perform the following procedure when you want to return the parameters of the setup in the current setup memory area to their initial defaults.

1. While the Advanced Setup menu (page 3-1) is on the display, press g(Initialize).

2. In response to the confirmation message that appears, press 1(Yes) to initialize the

3-3 Using Advanced Setup k Channel Setup The Channel Setup screen shows the sensors that are currently assigned to each channel (CH1, CH2, CH3, SONIC, Mic). u To configure Channel Setup settings

1. While the Advanced Setup menu (page 3-1) is on the display, press b(Channel).

• This displays the Channel Setup screen. Currently selected channel Channel Setup Screen

2. Use the f and c cursor keys to move the highlighting to the channel whose setting

3. What you need to do next depends on the currently selected channel.

• CH1, CH2, or CH3 Press a function key to display a menu of sensors that can be assigned to the selected channel. 1(CASIO) ...... Displays a menu of CASIO sensors. 2(VRNR) ....... Displays a menu of Vernier sensors. 3(CSTM) ....... Displays a menu of custom probes. 4(None) ......... Press this key when you want leave the channel without any sensor assigned to it.
• SONIC Channel Press a function key to display a menu of sensors that can be assigned to this channel. 1(CASIO) ...... Displays a menu of CASIO sensors, but only “Motion” can be selected. 2(VRNR) ....... Displays a menu of Vernier sensors. You can select “Motion” or “Photogate”. Note
• On the menu that appears after you select “Motion” from either the CASIO or Vernier sensor menu, select either “meters” or “feet” as the sampling unit.
• After selecting “Motion” from either the CASIO or Vernier sensor menu, you can press the K key to toggle “smoothing (correction of measurement error)” on (“-Smooth” displayed) and off (“-Smooth” not displayed).

• From the menu that appears after you select “Photogate” as the sensor, select [Gate] or [Pulley]. [Gate] ............... Select this option when using the PhotoGate sensor alone. [Pulley] ............. Select this option when using the PhotoGate sensor along with a smart pulley. 4(None) ......... Select this option to disable the SONIC channel.
• Mic Channel For this channel, the sensor is automatically set to Built-in (External) Microphone. However, you need to configure the settings described below. 1(Snd) ........... Select this option to record elapsed time and volume 2-dimensional sampled sound data (elapsed time on the horizontal axis, volume on the vertical axis). 2(FFT) ........... Select this option to record frequency and volume 2-dimensional sampled sound data (frequency on the horizontal axis, volume on the vertical axis). 4(None) ......... Select this option to disable the Mic channel.

4. Repeat steps 2 and 3 as many times as necessary to configure all the channels you want.

5. After all the settings are the way you want, press w.

• This returns to the Advanced Setup menu. Note
• When you select a channel on the Channel Setup screen, the sampling range of the selected channel appears in the bottom line of the screen. In the above example, the range of the temperature sensor assigned to CH2 appears on the display. If the sampling range value is too long to fit on the display, only the part of the value that fits on the display will be shown.
• Whenever the current Sample Setup (page 3-5) and Trigger Setup (page 3-8) settings become incompatible due to a change in Channel Setup settings, these settings revert automatically to their initial defaults. Selecting the Mic channel with Channel Setup while the Sample Setup has “Extended” selected for the sampling mode, for example, will cause the sampling mode to change automatically to “Fast” (which is the initial default setting when the Mic channel is selected). For information about the channels that can be selected for each sampling mode, see “Sample Setup” (page 3-5).

3-5 Using Advanced Setup k Sample Setup The Sample Setup screen lets you configure a number of settings that control sampling. u To configure Sample Setup settings

1. While the Advanced Setup menu (page 3-1) is on the display, press c(Sample).

• This displays the Sample Setup screen, with the “Mode” line highlighted, which indicates that you can select the sampling mode.

2. Select the sampling mode that suits the type of sampling you want to perform.

To do this: Press this key: To select this mode: Graph data in real-time as it is sampled 1(R-T) Realtime Perform sampling of high-speed phenomena (sound, etc.) 2(Fast) Perform sampling over a long time (weather, etc.)

• The EA-200 enters a power off sleep state while standing 4(Extd) by. Fast Extended Sample sound using the EA-200’s built-in microphone 6(g) 1(Snd) Sound Record the time of the occurrence of a particular trigger event as an absolute value starting from 0, which is the sampling start time 6(g) 2(Clck) Clock Perform periodic sampling, from a start trigger event to an end trigger event 6(g) 3(Priod) Period Perform sampling other than that described above 3(Norm) Normal

• Note that the mode you select also determines the channel(s) you can use. Sampling mode: Realtime, Extended, Normal Selectable Channel(s)

• The range of values you can select depends on the current sampling mode setting. If this sampling mode is selected: Realtime This is the allowable setting range:

Fast Extended 20 to 500 μsec 5 to 240 min Period Sound “=Trigger” only (no value input required) 20 to 27 μsec Clock Normal “=Trigger” only (no value input required) 0.0005 to 299 sec

4. To change the number of samples setting, move the highlighting to “Number”. Next, press

1 to display a dialog box for specifying the number of samples.

• You can specify a value in the range of 10 to 30,000.
• The total sampling time shown at the bottom of the dialog box is calculated by multiplying the “Sampling Interval” value you specified in step 3 by the number of samples you specify here. Important!
• When all of the following conditions exist, a “Distance” setting appears in place of the “Number” setting. See “To configure the Distance setting” (page 3-7) for information about configuring the “Distance” setting.
• Channel Setup (page 3-3): 2(VRNR) - [Photogate] - [Pulley]
• Sampling Mode (page 3-5): Clock

5. To change the warm-up time setting, move the highlighting to “Warm-up”. Next, perform

one of the function key operations described below. Note

• The “Warm-up” setting will not be displayed on the Sample Setup screen if “Fast”, “Sound” or “Extended” is currently selected as the sampling mode. To do this: Press this key: Have the warm-up time for each sensor set automatically 1 (Auto) Input a warm-up time, in seconds, manually 2 (Man) Disable the warm-up time 3 (None) Important!
• When the following condition exists, an “FFT Graph” setting appears in place of the “Warm-up” setting. See “To configure the FFT Graph setting” (page 3-7) for information about configuring the “FFT Graph” setting.
• Sampling Mode (page 3-5): Fast

6. After all the settings are the way you want, press w.

• This returns to the Advanced Setup menu. Note
• Whenever the current Channel Setup (page 3-3) and Trigger Setup (page 3-8) settings become incompatible due to a change in Sample Setup settings, these settings revert automatically to their initial defaults. Selecting “Realtime” as the sampling mode with Sample Setup while the Mic channel is selected with Channel Setup and the Trigger Setup has “Mic” selected for “Source”, for example, will cancel the Channel Setup Mic channel selection and change the Trigger Setup “Source” setting to “[EXE] key”. For information about the channels that can be selected for each sampling mode, see step 2 of “To configure Sample Setup settings”. For information about the trigger sources that can be selected for each sampling mode, see “Trigger Setup” (page 3-8). u To configure the Distance setting In place of step 3 of the procedure under “To configure Sample Setup settings”, press 1 to display a dialog box for specifying the distance the weight travels in meters.
• Specify a value in the range of 0.1 to 4 meters. u To configure the FFT Graph setting In place of step 5 of the procedure under “To configure Sample Setup settings”, press 1 to display a dialog box for turning frequency characteristic graphing (FFT Graph) on and off. To do this: Turn on graphing of frequency characteristics after sampling Press this key: 1(On) Turn off graphing of frequency characteristics after sampling 2(Off)

3-8 Using Advanced Setup k Trigger Setup You can use the Trigger Setup screen to specify the event that causes sampling to start (w key operation, etc.) The event that causes sampling to start is called the “trigger source”, which is indicated as “Source” on the Trigger Setup screen. The following table describes each of the six available trigger sources. To start sampling when this happens: When the w key is pressed Select this trigger source: [EXE] key After the specified number of seconds are counted down Count Down When input at CH1 reaches a specified value CH1 When input at the SONIC channel reaches a specified value SONIC When the EA-200’s built-in microphone detects sound Mic When the EA-200’s [START/STOP] key is pressed [START] key Note The trigger sources you can select depends on the sampling mode selected with the Sample Setup (page 3-5). For this sampling mode: The following trigger source(s) can be selected: Realtime [EXE] key, Count Down Fast [EXE] key, Count Down, CH1, Mic Normal [EXE] key, Count Down, CH1, SONIC, [START] key Extended [EXE] key Sound [EXE] key, Count Down, Mic Clock CH1 Period CH1

• This displays the Trigger Setup screen with the “Source” line highlighted.

• The function menu items that appears in the menu bar depend on the sampling mode selected with Sample Setup (page 3-5). The above screen shows the function menu when “Normal” is selected as the sample sampling mode.

2. Use the function keys to select the trigger source you want.

• The following shows the trigger sources that can be selected for each sampling mode. Sampling Mode Trigger Source Realtime 1(EXE) : [EXE] key, 2(Cnt) : Count Down Fast 1(EXE) : [EXE] key, 2(Cnt) : Count Down, 3(CH1), 5(Mic) Normal 1(EXE) : [EXE] key, 2(Cnt) : Count Down, 3(CH1), 4(Sonic), 5(STR) : [START] key Sound 1(EXE) : [EXE] key, 2(Cnt) : Count Down, 5(Mic)

• The trigger source is always “[EXE] key” when the sampling mode is “Extended”, and “CH1” when the sampling mode is “Clock” or “Period”.

3. Perform one of the following operations, in accordance with the trigger source that was

selected in step 2. If this is the trigger source: [EXE] key Do this next: Press w to finalize Trigger Setup and return to the Advanced Setup menu. Count Down Specify the countdown start time. See “To specify the countdown start time” below. CH1 Specify the trigger threshold value and trigger edge direction. See “To specify the trigger threshold value and trigger edge type”, “To configure trigger threshold, trigger start edge, and trigger end edge settings” on page 3-11 or “To configure PhotoGate trigger start and end settings” on page 3-12. SONIC Specify the trigger threshold value and motion sensor level. See “To specify the trigger threshold value and motion sensor level” on page 3-12. Mic Specify microphone sensitivity. See “To specify microphone sensitivity” below. [START] key Press w to finalize Trigger Setup and return to the Advanced Setup menu. u To specify the countdown start time

1. Move the highlighting to “Timer”.

2. Press 1(Time) to display a dialog box for specifying the countdown start time.

3. Input a value in seconds from 1 to 10.

4. Press w to finalize Trigger Setup and return to the Advanced Setup menu.

u To specify microphone sensitivity

1. Move the highlighting to “Sense” and then press one of the function keys describe below.

To select this level of microphone sensitivity: Low Press this key: 1(Low) Medium 2(Mid) High 3(High)

3-11 Using Advanced Setup u To specify the trigger threshold value and trigger edge type Perform the following steps when “Fast”, “Normal”, or “Clock” is specified as the sampling mode (page 3-5).

1. Move the highlighting to “Threshold”.

2. Press 1(EDIT) to display a dialog box for specifying the trigger threshold value, which is

value that data needs to attain before sampling starts. Sensor assigned to CH1 or SONIC by Channel Setup (page 3-3) Measurement unit supported by assigned sensor

3. Input the value you want, and then press w.

4. Move the highlighting to “Edge”.

5. Press one of the function keys described below.

To select this type of edge: Falling Press this key: 1(Fall) Rising 2(Rise)

u To configure trigger threshold, trigger start edge, and trigger end edge settings Perform the following steps when “Period” is specified as the sampling mode (page 3-5).

1. Move the highlighting to “Threshold”.

2. Press 1(EDIT) to display a dialog box for specifying the trigger threshold value, which is

value that data needs to attain before sampling starts.

3. Input the value you want.

4. Move the highlighting to “Start to”.

5. Press one of the function keys described below.

7. Press one of the function keys described below.

3-12 Using Advanced Setup u To configure PhotoGate trigger start and end settings Perform the following steps when CH1 is selected as a Photogate trigger source.

1. Move the highlighting to “Start to”.

2. Press one of the function keys described below.

4. Press one of the function keys described below.

1. Move the highlighting to “Threshold”.

2. Press 1(EDIT) to display a dialog box for specifying the trigger threshold value, which is

value that data needs to attain before sampling starts.

3. Input the value you want, and then press w.

4. Move the highlighting to “Level”.

5. Press one of the function keys described below.

To select this type of level: Below Press this key: 1(Blw) Above 2(Abv)

3-13 Using Advanced Setup k Graph Setup Use the Graph Setup screen to configure settings for the graph produced after sampling is complete. You use the Sample Setup settings (page 3-5) to turn graphing on or off. u To configure Graph Setup settings

1. While the Advanced Setup menu (page 3-1) is on the display, press e(Graph).

• This displays the Graph Setup screen. Currently selected item Graph Setup Screen

• When the graph data is stored in a sample data memory file, the file name appears as the source data name. When the graph data is stored in current data area, the channel name appears. Note
• For details about sample data memory and current data area, see “9 Using Sample Data Memory”.

3. To change the trace operation coordinate display setting, use the f and c cursor keys

to move the highlighting to “Coord”. Next, press one of the function keys described below. To specify this coordinate display setting for the trace operation: Press this key: Display trace coordinates 1(On) Hide trace coordinates 2(Off)

5. To change the real-time scroll setting, use the f and c cursor keys to move the

highlighting to “RealScroll”. Next, press one of the function keys described below. To specify this real-time scrolling setting: Press this key: Real-time scrolling on 1(On) Real-time scrolling off 2(Off)

4-1 Using a Custom Probe 4 Using a Custom Probe You can use the procedures in this section to configure a custom probe for use with the EA200. The term “custom probe” means any sensor other than the CASIO or Vernier sensors specified as standard for the E-CON2 Mode. k Configuring a Custom Probe Setup To configure a custom probe setup, you must input values for the constants of the fixed linear interpolation formula (ax + b). The required constants are slope (a) and intercept (b). x in the above expression (ax + b) is the sampled voltage value (sampling range: 0 to 5 volts). u To configure a custom probe setup

1. From the E-CON2 main menu (page 1-1), press 1(SET) and then c(ADV) to display

the Advanced Setup menu.

• See “3 Using Advanced Setup” for more information.

• The message “No Custom Probe” appears if the Custom Probe List is empty.
• This displays a custom probe setup screen like the one shown below.

• The initial default setting for the probe name is “Voltage(6pin)”. The first step for configuring custom probe settings is to change this name to another one. If you want to leave the default name the way it is, skip steps 4 and 5.
• This enters the probe name editing mode.

5. Input up to 18 characters for the custom probe name, and then press E.

• This will cause the highlighting to move to “Slope”.

6. Use the function keys described below to configure the custom probe setup.

• To change the setting of an item, first use the f and c cursor keys to move the highlighting to the item. Next, use the function keys to select the setting you want. (1) Slope Press 1(EDIT) to input the slope for the linear interpolation formula. (2) Intercept Press 1(EDIT) to input the intercept for the linear interpolation formula. (3) Unit Name Press 1(EDIT) to input up to eight characters for the unit name. (4) Warm-up Press 1(EDIT) to input the warm-up time.

7. Press wand then input a memory number (1 to 99).

• This saves the custom probe setup and returns to the Custom Probe List, which should now contain the new custom probe setup you configured. u To recall the specifications of a Vernier sensor and configure custom probe settings

1. Perform the first two steps of the procedure under “To configure a custom probe setup” on

3. Use the f and c keys to move the highlighting to the Vernier sensor whose setting

you want to use as the basis of the custom probe settings, and then press w.

• The name and specifications of the Vernier sensor you select will appear on the custom probe setup screen.

• To complete this procedure, perform steps 4 through 7 under “To configure a custom probe setup” (page 4-1).

4-3 Using a Custom Probe k Auto Calibrating a Custom Probe Auto calibration automatically corrects the slope and intercept values of a custom probe setup based on two actual samples. Important!

• Before performing the procedure below, you should prepare two conditions whose measurement values are known.
• When inputting reference value in step 5 of the procedure below, input the exact known measurement value of the condition you will sample in step 4. When inputting reference value in step 7 of the procedure below, input the exact known measurement value of the condition you will sample in step 6. u To auto calibrate a custom probe

1. Connect the calculator and EA-200, and connect the custom probe you want to auto

calibrate to CH1 of the EA-200.

2. What you should do first depends on whether you are configuring a new custom probe for

calibration, or editing the configuration of an existing custom probe. If you are configuring a new custom probe:

• Perform steps 1 through 6 of the procedure under “To configure a custom probe setup” on page 4-1.
• Auto calibrate will automatically set the slope and intercept, so you do not need to specify them in step 6 of the above procedure. If you are editing the configuration of an existing custom probe:
• Perform steps 1 through 3 of the procedure under “To edit a custom probe setup” on page 4-6.
• This will start the first sampling operation with the sensor connected to EA-200’s CH1, and then display a screen like the one shown below. First sampling operation Real-time display of sampled values

4. After the sampled value stabilizes, hold down w for a few seconds.

• This will register the first sampled value and display it on the screen. At this time the cursor will appear at the bottom of the display, ready for input of a reference value.

5. Use the key pad to input the reference value for the first sampled value, and then press

• This cause sampling of the second value to be performed automatically, and display the same type of screen that appeared in step 3. Second sampling operation

6. After the sampled value stabilizes, hold down w for a few seconds.

• This will register the second sampled value and display it on the screen. The cursor will appear at the bottom of the display, ready for input of a reference value.

7. Use the key pad to input the reference value for the second sampled value, and then

• This will return to the custom probe setup screen.
• The E-CON2 will calculate the slope and intercept value based on the two reference values that you input, and configure the settings automatically. The automatically configured values will appear on the custom probe setup screen, where you can view them.

8. Press w, and then input a memory number from 1 to 99.

• This saves the custom probe setup and returns to the custom probe list. k Zero Adjusting a Custom Probe This procedure zero adjusts a custom probe and sets its intercept value based on an actual sample using the applicable custom probe. u To zero adjust a custom probe

1. Connect the calculator and EA-200, and connect the custom probe you want to zero

adjust to CH1 of the EA-200.

2. What you should do first depends on whether you are configuring a new custom probe for

zero adjusting, or editing the configuration of an existing custom probe. If you are configuring a new custom probe:

• Perform steps 1 through 6 of the procedure under “To configure a custom probe setup” on page 4-1.
• Auto calibrate will automatically set the intercept, so you do not need to specify it in step 6 of the above procedure. If you are editing the configuration of an existing custom probe:
• Perform steps 1 through 3 of the procedure under “To edit a custom probe setup” on page 4-6.
• This will start the sampling operation with the sensor connected to EA-200’s CH1, and then display a screen like the one shown below.

4. At the point your want to perform zero adjustment (the point that the displayed value is

the appropriate zero adjust value), press w.

• This will return to the custom probe setup screen.
• The E-CON2 will set the intercept value automatically based on the sampled value. The automatically configured value will appear on the custom probe setup screen, where you can view it.

5. Press w, and then input a memory number from 1 to 99.

• This saves the custom probe setup and returns to the custom probe list. k Managing Custom Probe Setups Use the procedures in this section to edit and delete existing custom probe setups. u To edit a custom probe setup

1. Display the Custom Probe List.

2. Select the custom probe setup whose configuration you want to edit.

• Use the f and c cursor keys to highlight the name of the custom probe you want.
• This displays the screen for configuring a custom probe setup.
• To edit the custom probe setup, perform the procedure starting from step 6 under “To configure a custom probe setup” on page 4-1. u To delete a custom probe setup

1. Display the Custom Probe List.

2. Select the custom probe setup you want to delete.

• Use the f and c cursor keys to highlight the name of the custom probe setup you want.

4. In response to the confirmation message that appears, press 1(Yes) to delete the

5-1 Using the MULTIMETER Mode 5 Using the MULTIMETER Mode You can use the Channel Setup screen (page 3-3) to configure a channel so that EA-200 MULTIMETER Mode sampling is triggered by a calculator operation. u To use the MULTIMETER Mode

1. Connect the calculator and EA-200, and connect the sensors you want to the applicable

2. From the Advanced Setup menu (page 3-1), use the Channel Setup screen (page 3-3) to

configure sensor setups for each channel you will be using.

3. After configuring the sensor setups, press w to return to the Advanced Setup menu

(page 3-1), and then press 2(MLTI).

• This starts sampling in the EA-200 MULTIMETER mode and displays a list of sample values for each channel.

• Displayed sample data is refreshed at 0.5-second intervals.
• Do not connect sensors to any other channels except for those you specified in step 2.
• Data sampled in the MULTIMETER mode is not saved in memory.

4. To end MULTIMETER mode sampling, press the w key.

6-1 Using Setup Memory 6 Using Setup Memory Creating EA-200 setup data using the Setup Wizard or Advanced Setup causes the data to be stored in the “current setup memory area”. The current contents of the current setup memory area are overwritten whenever you create other setup data. You can use setup memory to save the current setup memory area contents to calculator memory to keep it from being overwritten, if you want. k Saving a Setup A setup can be saved when any one of the following conditions exist.

• After configuring a new setup with Setup Wizard See step 8 under “To configure an EA-200 setup using Setup Wizard” on page 2-2.
• After configuring a new setup with Advanced Setup See step 6 under “To configure an EA-200 setup using Advanced Setup” on page 3-1 for more information.
• While the E-CON2 main menu (page 1-1) is on the display Performing the setup save operation while the E-CON2 main menu is on the display saves the contents of the current setup memory area (which were configured using Setup Wizard or Advanced Setup). Details on saving a setup are listed below. u To save a setup

1. If the final Setup Wizard screen (page 2-4) is on the display, advance to step 2. If it isn’t,

start the save operation by performing one of the function key operations described below. ✔ If the Advanced Setup menu (page 3-1) is on the display, press 3(MEM). ✔ If the E-CON2 main menu (page 1-1) is on the display, press 2(MEM).

• Performing any one of the above operations causes the setup memory list to appear.

• The message “No Setup-MEM” appears if setup memory is empty.

2. If you are starting from the final Setup Wizard screen, press c(Save Setup-MEM).

If you are starting from another screen, press 2(SAVE).

• This displays the screen for inputting the setup name.

3. Input up to 18 characters for the setup name.

4. Press w and then input a memory number (1 to 99).

• If you start from the final Setup Wizard screen (page 2-4), this saves the setup and the message “Complete!” appears. Press w to return to the final Setup Wizard screen (page 2-4).
• If you start from the Advanced Setup menu (page 3-1) or the E-CON2 main menu (page 1-1), this saves the setup and returns to the setup memory list which includes the name you assigned it. Important!
• Since you assign both a setup name and a file number to each setup, you can assign the same name to multiple setups, if you want. k Using and Managing Setups in Setup Memory All of the setups you save are shown in the setup memory list. After selecting a setup in the list, you can use it to sample data or you can edit it. u To preview saved setup data You can use the following procedure to check the contents of a setup before you use it for sampling.

1. On the E-CON2 main menu (page 1-1), press 2(MEM) to display the setup memory list.

2. Use the f and c cursor keys to highlight the name of the setup you want.

6-3 Using Setup Memory u To recall a setup and use it for sampling Be sure to perform the following steps before starting sampling with the EA-200.

1. Connect the calculator to the EA-200.

2. Turn on EA-200 power.

3. In accordance with the setup you plan to use, connect the proper sensor to the

appropriate EA-200 channel.

4. Prepare the item whose data is to be sampled.

5. On the E-CON2 main menu (page 1-1), press 2(MEM) to display the setup memory list.

6. Use the f and c cursor keys to highlight the name of the setup you want.

8. In response to the confirmation message that appears, press 1.

• Pressing w sets up the EA-200 and then starts sampling.
• To clear the confirmation message without sampling, press 6. Note
• See “Operations during a sampling operation” on page 8-2 for information about operations you can perform while a sampling operation is in progress. u To change the name of setup data

1. On the E-CON2 main menu (page 1-1), press 2(MEM) to display the setup memory list.

2. Use the f and c cursor keys to highlight the name of the setup you want.

• This displays the screen for inputting the setup name.

4. Input up to 18 characters for the setup name, and then press w.

• This changes the setup name and returns to the setup memory list.

6-4 Using Setup Memory u To delete setup data

1. On the E-CON2 main menu (page 1-1), press 2(MEM) to display the setup memory list.

2. Use the f and c cursor keys to highlight the name of the setup you want.

4. In response to the confirmation message that appears, press 1(Yes) to delete the

• To clear the confirmation message without deleting anything, press 6(No). u To recall setup data Recalling setup data stores it in the current setup memory area. You can then use Advanced Setup to edit the setup. This capability comes in handy when you need to perform a setup that is slightly different from one you have stored in memory.

1. On the E-CON2 main menu (page 1-1), press 2(MEM) to display the setup memory list.

2. Use the f and c cursor keys to highlight the name of the setup you want.

4. In response to the confirmation message that appears, press 1(Yes) to recall the setup.

• To clear the confirmation message without recalling the setup, press 6(No). Note
• Recalling setup data replaces any other data currently in the current setup memory area.

7-1 Using Program Converter 7 Using Program Converter Program Converter converts an EA-200 setup you configured using Setup Wizard or Advanced Setup to a program that can run on the calculator. You can also use Program Converter to convert a setup to a CFX-9850 Series/fx-7400 Series-compatible program.*1 *2 *1 See the documentation that came with your scientific calculator or EA-200 for information about how to use a converted program. *2 See online help (PROGRAM CONVERTER HELP) for information about supported CFX9850 Series and fx-7400 Series models. k Converting a Setup to a Program A setup can be converted to a program when any one of the following conditions exists.

• After configuring a new setup with Setup Wizard See step 8 under “To configure an EA-200 setup using Setup Wizard” on page 2-2.
• After configuring a new setup with Advanced Setup See step 6 under “To configure an EA-200 setup using Advanced Setup” on page 3-1 for more information.
• While the E-CON2 main menu (page 1-1) is on the display Performing the program converter operation while the E-CON2 main menu is on the display converts the contents of the current setup memory area (which were configured using Setup Wizard or Advanced Setup). The program converter procedure is identical in all of the above cases. u To convert a setup to a program

1. Start the converter operation by performing one of the key operations described below.

✔ If the final Setup Wizard screen (page 2-4) is on the display, press d(Convert Program). ✔ If the Advanced Setup menu (page 3-1) is on the display, press 4(PROG). ✔ If the E-CON2 main menu (page 1-1) is on the display, press 3(PROG).

• After you perform any one of the above operations, the program converter screen will appear on the display.

2. Enter up to eight characters for the program name.

Note Using the program converter initial default settings will create a program like the one below.

• Associated Scientific Calculator: fx-9860 Series
• Associated Data Analyzer: EA-200
• Password: None If you want to use these settings the way they are without changing them, skip steps 3 through 7 and go directly to step 8. If you want to change any of the settings, perform the applicable operations in steps 3 through 7.

3. Specify the scientific calculator model to be associated with the program. Perform one of

the following key operations to associate the program with a scientific calculator. To associate the program with this calculator: Perform this key operation: fx-9860 Series 1(CALC) 1(9860) CFX-9850 Series 1(CALC) 2(9850) fx-7400 Series 1(CALC) 3(7400)

• The number part of the scientific calculator model number you specify will appear in line “F1:” of the program converter screen. Note For information about 1(CALC)4(→38K), see “Converting a CFX-9850 Series Program to a fx-9860 Series Compatible Program” (page 7-4).

4. Specify the Data Analyzer model (EA-100 or EA-200) to be associated with the program.

Perform one of the following key operations to associate the program with a Data Analyzer. To associate the program with this Data Analyzer: EA-200 Perform this key operation: 2(TYPE) 1(200) EA-100 2(TYPE) 2(100)

• The number part of the Data Analyzer model number you specify will appear in line “F2:” of the program converter screen. Important!
• Note that the capabilities of the EA-100 and EA-200 are different. Because of this, you should keep in mind that an EA-200 program converted to an EA-100 program and used to perform sampling with an EA-100 setup may not produce the desired results.

whether calibration or zero adjust should be performed. Perform one of the following key operations to configure the desired setting. To perform this operation: Perform this key operation: Calibration of the CH1 custom probe 3(CALB) 1(CALIB) Zero adjust of the CH1 custom probe 3(CALB) 2(ZERO) No calibration 3(CALB) 3(None)

• The operation you specify will appear in line “F3:” of the program converter screen.

• This will cause the “Password?” prompt and password input field to appear under the program name input field.

7. Enter up to eight characters for the password.

• If you change your mind about assigning a password, press J here. This will cause the password input field to disappear and cancel password input.

8. After everything is the way you want, press w to convert the program in accordance

• The message “Complete!” appears when conversion is complete. To clear the message and return to the screen that was on the display in step 1, press w or J.

7-4 Using Program Converter k Converting a CFX-9850 Series Program to a fx-9860 Series Compatible Program To use an EA-200 control program created on the CFX-9850 Series calculator (for use on the CFX-9850) on the E-CON2, you need to convert the program to an fx-9860 program. Conversion can be performed using the program converter. EA-200 Control Program for CFX-9850 Series Convert EA-200 Control Program for fx-9860 Series u To convert a program

1. Transfer the EA-200 control program created for the CFX-9850 Series to the fx-9860

• Use the cable that comes bundled with the fx-9860 to connect its 3-pin serial port to the 3-pin serial port of the CFX-9850. For details, see the chapter titled “Data Communications” in the manuals that come with each unit.

2. Perform step 1 under “To convert a setup to a program” on page 7-1, which displays the

program converter screen.

3. Press 1(CALC) and then press 4(→38K).

• This displays a list of programs currently in main memory.

4. Use f and c to move the highlighting of the program you want to convert, and then

• A program name input screen will appear after conversion is complete.

5. Enter up to eight characters for the program name.

• If you want to password protect the program, perform steps 6 and 7 under “To convert a setup to a program” after inputting the program name.

6. Press w to start conversion of the program.

• The message “Complete!” appears when conversion is complete. To clear the message, press w or J.

8-1 Starting a Sampling Operation 8 Starting a Sampling Operation The section describes how to use a setup configured using the E-CON2 Mode to start an EA-200 sampling operation. k Before getting started... Be sure to perform the following steps before starting sampling with the EA-200.

1. Connect the calculator to the EA-200.

2. Turn on EA-200 power.

3. In accordance with the setup you plan to use, connect the proper sensor to the

appropriate EA-200 channel.

4. Prepare the item whose data is to be sampled.

k Starting a Sampling Operation A sampling operation can be started when any one of the following conditions exist.

• After configuring a new setup with Setup Wizard See step 8 under “To configure an EA-200 setup using Setup Wizard” on page 2-2.
• After configuring a new setup with Advanced Setup See step 6 under “To configure an EA-200 setup using Advanced Setup” on page 3-1.
• While the E-CON2 main menu (page 1-1) is on the display Starting a sampling operation while the E-CON2 main menu is on the display performs sampling using the contents of the current setup memory area (which were configured using Setup Wizard or Advanced Setup).
• While the setup memory list is on the display You can select the setup you want on the setup memory list and then start sampling. The following procedures explain the first three conditions described above. See “To recall a setup and use it for sampling” on page 6-3 for information about starting sampling from the setup memory list.

8-2 Starting a Sampling Operation u To start sampling

1. Start the sampling operation by performing one of the function key operations described

below. ✔ If the final Setup Wizard screen (page 2-4) is on the display, press b(Start Setup). ✔ If the Advanced Setup menu (page 3-1) is on the display, press 1(STRT). ✔ If the E-CON2 main menu (page 1-1) is on the display, press 4(STRT).

• After you perform any one of the above operations, a sampling start confirmation screen like the one shown below will appear on the display.

• This sets up the EA-200 using the setup data in the current setup memory area.
• The message “Setting EA-200...” remains on the display while EA-200 setup is in progress. You can cancel the setup operation any time this message is displayed by pressing A.
• The screen shown below appears after EA-200 setup is complete.

3. Press w to start sampling.

• The screens that appear while sampling is in progress and after sampling is complete depend on setup details (sampling mode, trigger setup, etc.). For details, see “Operations during a sampling operation” below. u Operations during a sampling operation Sending a sample start command from the calculator to the EA-200 causes the following sequence to be performed. Setup Data Transfer → Sampling Start → Sampling End → Transfer of Sample Data from the EA-200 to the Calculator The table on the next page shows how the trigger conditions and sensor type specified in the setup data affects the above sequence.

Clock Period Extended Sound Normal Fast Real-time Mode

Pressing 1 advances to “4. Graphing”. Pressing w there returns to “3. Sampling”.

• The screen shown below appears when CH1, SONIC, or Mic is used as the trigger.

Outputting through speaker

Sample values is stored as List data only. The following three graph types can be produced when PhotoGate-Pulley is being used.

1. Time and distance graph

2. Time and velocity graph

• When Number of Samples > 1 3. Time and acceleration graph

• When Number of Samples = 1

• When Mode = Sound Graph screen does not show all sampled values, but only a partial preview. Sampled values are saved as Current Sample Data.

8-3 Starting a Sampling Operation 9-1 Using Sample Data Memory 9 Using Sample Data Memory Performing an EA-200 sampling operation from the E-CON2 Mode causes sampled results to be stored in the “current data area” of E-CON2 memory. Separate data is saved for each channel, and the data for a particular channel in the current data area is called that channel’s “current data”. Any time you perform a sampling operation, the current data of the channel(s) you use is replaced by the newly sampled data. If you want to save a set of current data and keep it from being replaced by a new sampling operation, save the data in sample data memory under a different file name. k Managing Sample Data Files u To save current sample data to a file

• This displays the Graph Mode screen. Graph Mode Screen

• For details about the Graph Mode screen, see “10 Using the Graph Analysis Tools to Graph Data”.
• This displays the Sampling Data List screen. List of current data files “cd” stands for “current data”. The text on the right side of the colon indicates the channel name.

3. Use the f and c cursor keys to move the highlighting to the current data file you want

to save, and then press 2(SAVE).

• This displays the screen for inputting a data name.

4. Enter up to 18 characters for the data file name, and then press w.

• This displays a dialog box for inputting a memory number.

5. Enter a memory number in the range of 1 to 99, and then press w.

• This saves the sample data at the location specified by the memory number you input. The sample data file you save is indicated on the display using the format: <memory number>:<file name>.

• If you specify a memory number that is already being used to store a data file, a confirmation message appears asking if you want to replace the existing file with the new data file. Press 1 to replace the existing data file, or 6 to return to the memory number input dialog box in Step 4.

6. To return to the E-CON2 main menu (page 1-1), press J twice.

• You could select another data file besides a current data file in step 3 of the above procedure and save it under a different memory number. You do not need to change the file’s name as long as you use a different file number.

9-3 Using Sample Data Memory u To rename an existing sample data file Note

• You cannot use this procedure to rename a current data file name.

1. On the E-CON2 main menu (page 1-1), press 5(GRPH).

3. Use the f and c cursor keys to move the highlighting to the data file you want to

rename, and then press 3(REN).

• This displays the screen for inputting a file name.

4. Enter up to 18 characters for the new data file name, and then tap w.

• This returns to the Sampling Data List screen.

5. To return to the E-CON2 main menu (page 1-1), press J twice.

u To delete a sample data file

3. Use the f and c cursor keys to move the highlighting to the data file you want to

delete, and then press 4(DEL).

4. In response to the confirmation message that appears, press 1(Yes) to delete the data

• To clear the confirmation message without deleting the data file, press 6(No).
• This returns to the Sampling Data List screen.

10-1 Using the Graph Analysis Tools to Graph Data 10 Using the Graph Analysis Tools to Graph Data Graph Analysis tools make it possible to analyze graphs drawn from sampled data. k Accessing Graph Analysis Tools You can access Graph Analysis tools using either of the two methods described below. u Accessing Graph Analysis tools from the Graph Mode screen, which is displayed by pressing 5(GRPH) on the E-CON2 main menu (page 1-1) Graph Mode Screen

• The main menu appears after you perform a sampling operation. Press 5(GRPH) at that time.
• When you access Graph Analysis tools using this method, you can select from among a variety of other Analysis modes. See “Selecting an Analysis Mode and Drawing a Graph” (page 10-2) for more information about the other Analysis modes. u Accessing Graph Analysis tools from the screen of a graph drawn after a sampling operation is executed from the Setup Wizard or from Advanced Setup (Realtime Mode) Graph Screen

• In this case, data is graphed after the sampling operation is complete, and the calculator accesses Graph Analysis tools automatically. See “Graph Screen Key Operations” on page 11-1.

10-2 Using the Graph Analysis Tools to Graph Data k Selecting an Analysis Mode and Drawing a Graph This section contains a detailed procedure that covers all steps from selecting an analysis mode to drawing a graph. Note

• Step 4 through step 6 are not essential and may be skipped, if you want. Skipping any step automatically applies the initial default values for its settings.
• If you skip step 2, the default analysis mode is the one whose name is displayed in the top line of the Graph Mode screen. u To select an analysis mode and draw a graph

1. On the E-CON2 main menu (page 1-1), press 5(GRPH).

• This displays the Graph Mode screen.

2. Press 3(MODE), and then select the analysis mode you want from the menu that

appears. To do this: Perform this menu operation: To select this mode: Graph three sets of sampled data simultaneously [Norm] Graph Analysis Graph sampled data along with its first and second derivative graph [diff] d/dt & d2/dt2 Display the graphs of different sampled data in [CMPR]/[GRPH] upper and lower windows for comparison Compare Graph Output sampled data from the speaker, displaying graph of the raw data in the upper window and the output waveform in the lower window Compare Sound [CMPR]/[Snd] Display the graph of sampled data in the upper window and its first derivative graph in the [CMPR]/[d/dt] lower window Compare d/dt Display the graph of sampled data in the upper window and its second derivative graph in the [CMPR]/[d2/dt2] lower window Compare d2/dt2

• The name of the currently selected mode appears in the top line of the Graph Mode screen. Analysis mode name

10-3 Using the Graph Analysis Tools to Graph Data

4. Specify the sampled data for graphing.

a. Use the f and c cursor keys to move the highlighting to the name of the sampled data file you want to select, and then press 1(ASGN) or w.

• This returns to the Graph Mode screen, which shows the name of the sample data file you selected. Sample data file name Graph on/off indicator Name of sensor used for sampling Graph Mode Screen b. Repeat step a above to specify sample data files for other graphs, if there are any.
• If you select “Graph Analysis” as the analysis mode in step 2, you must specify sample data files for three graphs. If you select “Compare Graph” as the analysis mode in step 2, you must specify sample data files for two graphs. With other modes, you need to specify only one sample data file.
• For details about Sampling Data List screen operations, see “9 Using Sample Data Memory”.

5. Turn on graphing for each of the graphs listed on the Graph Mode screen.

a. On the Graph Mode screen, use the f and c cursor keys to select a graph, and then press 1(SEL) to toggle graphing on or off. Graphing turned off. Graphing turned on. b. Repeat step a to turn each of the graphs listed on the Graph Mode screen on or off.

6. Select the graph style you want to use.

a. On the Graph Mode screen, use the f and c cursor keys to move the highlighting to the graph (Gph1, Gph2, etc.) whose style you want to specify, and then press 4(STYL). This will cause the function menu to change as shown below.

Line graph with X (×) data markers

Scatter graph with dot ( • ) data markers

Scatter graph with square (

Line graph with square ( ) data markers ) data markers Scatter graph with X (×) data markers c. Repeat a and b to specify the style for each of the graphs on the Graph Mode screen.

7. On the Graph Mode screen, press 6(DRAW) or w.

• This draws the graph(s) in accordance with the settings you configured in step 2 through step 6. Graph Screen

• When a Graph screen is on the display, the function keys provide you with zooming and other capabilities to aid in graph analysis. For details about Graph screen function key operations, see the following section. u To deselect sampled data assigned for graphing on the Graph Mode screen

1. On the Graph Mode screen, use the f and c cursor keys to move the highlighting to

the graph (Gph1, Gph2, etc.) whose sampled data you want to deselect.

• This will deselect sample data assigned to the highlighted graph.

11-1 Graph Analysis Tool Graph Screen Operations 11 Graph Analysis Tool Graph Screen Operations This section explains the various operations you can perform on the graph screen after drawing a graph. You can perform these operations on a graph screen produced by a sampling operation, or by the operation described under “Selecting an Analysis Mode and Drawing a Graph” on page 10-2. k Graph Screen Key Operations On the graph screen, you can use the keys described in the table below to analyze (CALC) graphs by reading data points along the graph (Trace) and enlarging specific parts of the graph (Zoom). Key Operation Description !1(TRCE) Displays a trace pointer on the graph along with the coordinates of the current cursor location. Trace can also be used to obtain the periodic frequency of a specific range on the graph and assign it to a variable. See “Using Trace” on page 11-3. !2(ZOOM) Starts a zoom operation, which you can use to enlarge or reduce the size of the graph along the x-axis or the y-axis. See “Using Zoom” on page 11-4. Displays a function menu of special View Window commands for the E-CON2 Mode graph screen. !3(V-WIN) For details about each command, see “Configuring View Window Parameters” on page 11-14. Displays a menu that contains the following commands: Cls, Plot, F-Line, Text, PEN, Vert, and Hztl. For details about each command, see !4(SKTCH) “5-10 Changing the Appearance of a Graph” in the manual that comes with the fx-9860G SD/fx-9860G calculator. K1(PICT) Saves the currently displayed graph as a graphic image. You can recall a saved graph image and overlay it on another graph to compare them. For details about these procedures, see “5-4 Storing a Graph in Picture Memory” in the manual that comes with the fx-9860G SD/fx-9860G calculator. K2(LMEM) Displays a menu of functions for saving the sample values in a specific range of a graph to a list. See “Transforming Sampled Data to List Data” on page 11-5.

11-2 Graph Analysis Tool Graph Screen Operations Key Operation Description K3(EDIT) Displays a menu of functions for zooming and editing a particular graph when the graph screen contains multiple graphs. See “Working with Multiple Graphs” on page 11-10. K4(CALC) Displays a menu that lets you transform a sample result graph to a function using Fourier series expansion, and to perform regression to determine the tendency of a graph. See “Using Fourier Series Expansion to Transform a Waveform to a Function” on page 11-6, and “Performing Regression” on page 11-8. K5(Y=fx) Displays the graph function list, which lets you select a Y=f(x) graph to overlay on the sampled result graph. See “Overlaying a Y=f(x) Graph on a Sampled Result Graph” on page 11-9. K6(SPKR) Starts an operation for outputting a specific range of a sound data waveform graph from the speaker. See “Outputting a Specific Range of a Graph from the Speaker” on page 11-12. k Scrolling the Graph Screen Press the cursor keys while the graph screen is on the display scrolls the graph left, right, up, or down. Note

• The cursor keys perform different operations besides scrolling while a trace or graph operation is in progress. To perform a graph screen scroll operation in this case, press J to cancel the trace or graph operation, and then press the cursor keys.

11-3 Graph Analysis Tool Graph Screen Operations k Using Trace Trace displays a crosshair pointer on the displayed graph along with the coordinates of the current cursor position. You can use the cursor keys to move the pointer along the graph. You can also use trace to obtain the periodic frequency value for a particular range, and assign the range (time) and periodic frequency values in separate Alpha-Memory values. u To use trace

1. On the graph screen, press !1(TRCE).

• This causes a trace pointer to appear on the graph. The coordinates of the current trace pointer location are also shown on the display.

2. Use the d and e cursor keys to move the trace pointer along the graph to the location

• The coordinate values change in accordance with the trace pointer movement.
• You can exit the trace pointer at any time by pressing J. u To obtain the periodic frequency value

1. Use the procedure under “To use trace” above to start a trace operation.

2. Move the trace pointer to the start point of the range whose periodic frequency you want

to obtain, and then press w.

3. Move the trace pointer to the end point of the range whose periodic frequency you want

• This causes the period and periodic frequency value at the start point you selected in step 2 to appear along the bottom of the screen.

11-4 Graph Analysis Tool Graph Screen Operations

4. Press w to assign the period and periodic frequency values to Alpha-Memory variables.

• This displays a dialog box for specifying variable names for [Period] and [Frequency] values.

• The initial default variable name settings are “S” for the period and “H” for the periodic frequency. To change to another variable name, use the up and down cursor keys to move the highlighting to the item you want to change, and then press the applicable letter key.

5. After everything is the way you want, press w.

• This stores the values and exits the trace operation.
• For details about using Alpha-Memory, see the manual that comes with the fx-9860G SD/fx-9860G calculator. k Using Zoom Zoom lets you enlarge or reduce the size of the graph along the x-axis or the y-axis. Note
• When there are multiple graphs on the screen, the procedure below zooms all of them. For information about zooming a particular graph when there are multiple graphs on the screen, see “Working with Multiple Graphs” on page 11-10. u To zoom the graph screen

1. On the graph screen, press !2(ZOOM).

• This causes a magnifying glass cursor ( ) to appear in the center of the screen.

2. Use the cursor keys to move the magnifying glass cursor to the location on the screen

that you want at the center of the enlarged or reduced screen.

11-5 Graph Analysis Tool Graph Screen Operations

• This causes the magnifying glass to disappear and enters the zoom mode.
• The cursor keys perform the following operations in the zoom mode. To do this: Enlarge the graph image horizontally Press this cursor key:

Reduce the size of the graph image horizontally

Enlarge the graph image vertically

Reduce the size of the graph image vertically

4. To exit the zoom mode, press J.

k Transforming Sampled Data to List Data Use the following procedure to transform the sampled data in a specific range of a graph into list data. u To transform sampled data to list data

1. On the graph screen, press K, and then 2(LMEM).

• This displays the [LMEM] menu.
• This displays the trace pointer for selecting the range on the graph.

3. Move the trace pointer to the start point of the range you want to convert to list data, and

4. Move the trace pointer to the end point of the range you want to convert to list data, and

• This displays a dialog box for specifying the lists where you want to store the time data and the sampled data.

• The initial default lists are List 1 for the time and List 2 for sample data. To change to another list (List 1 to List 26), use the up and down cursor keys to move the highlighting to the list you want to change, and then input the applicable list number.

11-6 Graph Analysis Tool Graph Screen Operations

5. After everything is the way you want, press w.

• This saves the lists and the message “Complete!” appears. Press w to return to the graph screen.
• For details about using list data, see the manual that comes with the fx-9860G SD/fx9860G calculator. Note
• Pressing 1(All) in place of 2(SEL) in step 2 converts the entire graph to list data. In this case, the “Store Sample Data” dialog box appears as soon as you press 1(All). k Using Fourier Series Expansion to Transform a Waveform to a Function Fourier series expansion is effective for studying sounds by expressing them as functions. The procedure below assumes that there is a graph of sampled sound data already on the graph screen. u To perform Fourier series expansion

1. On the graph screen , press K, and then 4(CALC).

• The [CALC] menu appears at the bottom of the display.

• This displays the trace pointer for selecting the graph range.

3. Move the trace pointer to the start point of the range for which you want to perform

Fourier series expansion, and then press w.

11-7 Graph Analysis Tool Graph Screen Operations

4. Move the trace pointer to the end point of the range for which you want to perform Fourier

series expansion, and then press w.

• This displays a dialog box for specifying the start degree of the Fourier series.

5. Input a value in the range of 1 to 99, and then press w.

• This displays a dialog box for inputting the degree of the Fourier series.

6. Input a value in the range of 1 to 10, and then press w.

• The graph function list appears with the calculation result.

7. Pressing 6(DRAW) here graphs the function.

• This lets you compare the expanded function graph and the original graph to see if they are the same. Note When you press 6(DRAW) in step 7, the graph of the result of the Fourier series expansion may not align correctly with the original graph on which it is overlaid. If this happens, shift the position the original graph to align it with the overlaid graph. For information about how to move the original graph, see “To move a particular graph on a multi-graph display” (page 11-12).

11-8 Graph Analysis Tool Graph Screen Operations k Performing Regression You can use the procedure below to perform regression for a range specified using the trace pointer. All of the following regression types are supported: Linear, Med-Med, Quadratic, Cubic, Quartic, Logarithmic, Exponential, Power, Sine, and Logistic. For details about these regression types, see page 6-3-5 through 6-3-10 of the manual that comes with the fx-9860G SD/fx-9860G calculator. The following procedure shows how to perform quadratic regression. The same general steps can also be used to perform the other types of regression. u To perform quadratic regression

1. On the graph screen, press K, and then 4(CALC).

• The [CALC] menu appears at the bottom of the display.
• This displays the trace pointer for selecting the range on the graph.

3. Move the trace pointer to the start point of the range for which you want to perform

quadratic regression, and then press w.

4. Move the trace pointer to the end point of the range for which you want to perform

11-9 Graph Analysis Tool Graph Screen Operations

• This draws a quadratic regression graph and overlays it over the original graph.

• To delete the overlaid quadratic regression graph, press !4(SKTCH) and then 1(Cls). k Overlaying a Y=f(x) Graph on a Sampled Result Graph Use the following procedure when you want to overlay a Y=f(x) graph on the sampled result graph. u To overlay a Y=f(x) graph on an existing graph

1. On the graph screen, press K, and then 5(Y=fx).

• This displays the graph function list. Any functions you have previously input on the graph function list appear at this time.

2. Input the function you want to graph.

• To input a function, use the f and c cursor keys to move the highlighting to the line where you want to input it, and then use the calculator keys for input. Press w to store the function.

3. On the graph function list, specify which functions you want to graph.

• Graphing is turned on for any function whose “=” symbol is highlighted. To toggle graphing of a function on or off, use the f and c cursor keys to move the highlighting to the function, and then press 1(SEL).

11-10 Graph Analysis Tool Graph Screen Operations

4. After the graph function list settings are configured the way you want, press 6(DRAW).

• This overlays graphs of all the functions for which graphing is turned on, over the graph that was originally on the graph screen.

Original Graph Overlaid with Y=f(x) Graph

• To delete the overlaid graph, press !4(SKTCH) and then 1(Cls). Important!
• The screenshot shown in step 4 above is of a function that was calculated and stored by performing regression on a graph that was drawn using sampled data. Note that overlaying a Y=f(x) graph on a sampled data graph does not automatically draw a regression graph based on sampled data. k Working with Multiple Graphs The procedures in this section explain how you can zoom or move a particular graph when there are multiple graphs on the display. u To zoom a particular graph on a multi-graph display

1. When the graph screen contains multiple graphs, press K, and then 3(EDIT).

• The [EDIT] menu appears at the bottom of the display.

• This displays only one of the graphs that were originally on the graph screen.

11-11 Graph Analysis Tool Graph Screen Operations

3. Use the f and c cursor keys to cycle through the graphs until the one you want is

displayed, and then press w.

• This enters the zoom mode and causes all of the graphs to reappear, along with a magnifying glass cursor ( ) in the center of the screen.

4. Use the cursor keys to move the magnifying glass cursor to the location on the screen

that you want at the center of the enlarged or reduced screen.

• This causes the magnifying glass to disappear and enters the zoom mode.
• The cursor keys perform the following operations in the zoom mode. To do this: Enlarge the graph image horizontally Press this cursor key:

Reduce the size of the graph image horizontally

Enlarge the graph image vertically

Reduce the size of the graph image vertically

11-12 Graph Analysis Tool Graph Screen Operations u To move a particular graph on a multi-graph display

1. When the graph screen contains multiple graphs, press K, and then 3(EDIT).

• This displays the [EDIT] menu.
• This displays only one of the graphs that were originally on the graph screen.

3. Use the f and c cursor keys to cycle through the graphs until the one you want is

displayed, and then press w.

• This enters the move mode and causes all of the graphs to reappear.

4. Use the d and e cursor keys to move the graph left and right, or the f and c

cursor keys to move the graph up and down.

5. To exit the move mode, press J.

k Outputting a Specific Range of a Graph from the Speaker Use the following procedure to output a specific range of a sound data waveform graph from the speaker. u To output a graph from the speaker

1. On the graph screen, press K, and then 4(SPKR).

• This displays the trace pointer for selecting the range on the graph.

2. Move the trace pointer to the start point of the range you want to output from the speaker,

11-13 Graph Analysis Tool Graph Screen Operations

3. Move the trace pointer to the end point of the range you want to output from the speaker,

• After you specify the start point and end point, an output frequency dialog box shown below appears on the display.

4. Input a percent value for the output frequency value you want.

• The output frequency specification is a percent value. To output the original sound as-is, specify 100%. To raise the original sound by one octave, input a value of 200%. To lower the original sound by one octave, input a value of 50%.

5. After inputting an output frequency value, press w.

• This outputs the waveform between the start point and end point from the EA-200 speaker.
• If the sound you configured cannot be output for some reason, the message “Range Error” will appear. If this happens, press J to scroll back through the previous setting screens and change the setup as required.

6. To terminate sound output, press the EA-200 [START/STOP] key.

• This displays a screen like the one shown below.

8. If you want to retry output from the speaker, press 1(Yes). To exit the procedure and

return to the graph screen, press 6(No).

• Pressing 1(Yes) returns to the “Output Frequency” dialog box. From there, repeat the above steps from step 4.

11-14 Graph Analysis Tool Graph Screen Operations k Configuring View Window Parameters Pressing !3(V-Window) while the graph screen is on the display displays a View Window function key menu along the bottom of the display. Press the function key that corresponds to the View Window parameter you want to configure. Function Key Description 1(Auto) Automatically applies the following View Window parameters. Y-axis Elements: In accordance with screen size X-axis Elements: In accordance with screen size when 1 data item equals 1 dot; 1 data equals 1 dot in other cases 2(FULL) Resizes the graph so all of it fits in the screen. 3(Y) Resizes the graph so all of it fits in the screen along the Y-axis, without changing the X-axis dimensions. 4(UNIT) Specifies the unit of the numeric axis grid displayed by the Econ Axes setting of the graph setup screen (page 3-13). 1(μ sec): microseconds 2(msec): milliseconds 3(sec): seconds 4(DHMS):days, hours, minutes, seconds (1 day, 2 hours, 30 minutes, 5 seconds = 1d2h30m5s) 5(Auto):Auto selection 5(CHNG) Toggles display of the source data on the graph screen on and off. To exit the View Window function key menu and return to the standard function key menu, press J.

12-1 Calling E-CON2 Functions from an eActivity 12 Calling E-CON2 Functions from an eActivity You can call E-CON2 functions from an eActivity by including an “Econ strip” in the eActivity file. The following describes each of the four available Econ strips. u Econ SetupWizard strip This strip calls the E-CON2 Setup Wizard. The Econ Setup Wizard strip makes it possible to perform the following series of operations from the eActivity: EA-200 setup using the Setup Wizard R Sampling R Graphing. u Econ AdvancedSetup strip This strip calls the E-CON2 Advanced Setup screen. The Advanced Setup provides access to almost all executable functions (except for the program converter), including detailed EA-200 setup and sampling execution; graphing and Graph Analysis Tools; simultaneous sampling with multiple sensors using the MULTIMETER Mode, etc. u Econ Sampling strip This strip records on set of EA-200 setup information configured using Advanced Setup, and performs sampling. Once setup information is recorded to this type of strip, sampling starts immediately based on the recorded setup information the next time the strip is executed. u Econ Graph strip This strip graphs sampled data that is recorded in the strip. The sampled data is recorded to the strip the first time the strip is executed. This section explains how to insert each type of Econ strip into an eActivity file, and how to use inserted Econ strips. For details about eActivity operations, see “Chapter 10 eActivity” in the manual that comes with the fx-9860G SD or fx-9860G.

12-2 Calling E-CON2 Functions from an eActivity k Inserting an Econ Strip into an eActivity File The following procedure assumes that the eActivity file into which you want to insert the Econ strip is already open. For information about creating a new file and other basic eActivity operations, see “Basic eActivity File Operation” (page 10-1-5) in the manual that comes with the fx-9860G SD or fx-9860G. u To insert an Econ Strip into an eActivity file

1. On the eActivity workspace screen, move the cursor the location where you want to insert

• This will display a dialog box with a list of insertable strips.

3. Use f and c to move the highlighting to the type of Econ strip you want to insert.

• See the beginning of this section (page 12-1) for details about each Econ strip type.
• The strip is inserted above the line or the strip where the cursor is currently located.

5. Enter up to 16 characters for the strip title.

12-3 Calling E-CON2 Functions from an eActivity

6. Press w to assign the title to the strip.

• This will highlight the strip.
• You can execute the strip here by pressing w. For details about operations that are required when you execute a strip, see “Calling an E-CON2 Function from an Econ Strip” below. k Calling an E-CON2 Function from an Econ Strip This section explains operations for each type of Econ strip that can be inserted into an eActivity file. The following procedure assumes that the applicable Econ strip has already been inserted into an eActivity that is currently open. u To access the Setup Wizard from an Econ SetupWizard strip

1. On the eActivity workspace screen, use the f and c keys to move the highlighting to

the Econ SetupWizard strip.

• This launches the Setup Wizard and displays the “Select Sensor” screen.

12-4 Calling E-CON2 Functions from an eActivity

3. Perform the procedure under “To configure an EA-200 setup using Setup Wizard” (page

2-2) from step 3 to set up the EA-200 and execute sampling. Note

• In the case of the Econ SetupWizard strip, only the “1: Start Setup” is available on the “Complete!” dialog box. Other options are not available.

4. To return to the eActivity workspace screen, press !a(')J.

u To access Advanced Setup from an Econ Advanced Setup strip

1. On the eActivity workspace screen, use the f and c keys to move the highlighting to

the Econ Advanced Setup strip.

• This displays the Advanced Setup screen.

• From here, perform the procedure under “To configure an EA-200 setup using Advanced Setup” (page 3-1) from step 4.
• To return to the eActivity workspace screen after you finished the procedure or at any point during the procedure, press !a(') . Note
• Using an Econ Advanced Setup strip to configure a setup causes the setup information to be registered in the applicable strip. This means that the next time you open the strip, sampling can be performed in accordance with the previously configured setup information.

12-5 Calling E-CON2 Functions from an eActivity u To execute sampling from an Econ Sampling strip

1. On the eActivity workspace screen, use the f and c keys to move the highlighting to

the Econ Sampling strip.

• If this is the first time you are using this Econ Sampling strip for sampling, continue on to step 3.
• If this is an Econ Sampling strip that you have used for sampling in the paste and want to re-execute with the same setup, jump to step 8.

3. Press !,(,) to display the application list.

4. Use the f and c cursor keys to move the highlighting to “Econ AdvancSetup”, and

• This displays the Advanced Setup screen.

5. Perform steps 4 and 5 under “To configure an EA-200 setup using Advanced Setup (page

3-1) to configure the setup for sampling.

6. Press !,(,) to display the application list.

7. Use the f and c cursor keys to move the highlighting to “Econ Sampling”, and then

• This will return to the sampling start confirmation screen in step 2 of this procedure.

12-6 Calling E-CON2 Functions from an eActivity

• This will set up the EA-200 in accordance with the setup data registered in the Econ Sampling strip. The message “Start sampling?” appears on the screen after EA-200 set up is complete.

9. Press w to start sampling.

• The screens that appear while sampling is in progress and after sampling is complete depend on setup details. For more information, see “Starting a Sampling Operation” (page 8-1).
• After sampling is complete, the data will be graphed in accordance with the setup settings. 10.To return to the eActivity workspace screen from the graph screen, press !a('). u To graph sampled data from an Econ Graph strip

1. On the eActivity workspace screen, use the f and c keys to move the highlighting to

the Econ Graph strip.

• If this Econ Graph strip already has sampled data registered to it because of a previous execution, a graph of the existing data will appear on the display. In this case, jump to step 5 of this procedure.
• If this is the first time you are executing this Econ Graph strip, the Advanced Setup screen will appear on the display. If this happens, proceed with step 3 of this procedure.

3. Perform steps 4 and 5 under “To configure an EA-200 setup using Advanced Setup (page

3-1) to configure the setup for sampling.

• As instructed by the message that appears on the display, press the w key to perform sampling.
• After sampling is complete, the data will be graphed in accordance with the setup settings.

5. To return to the eActivity workspace screen from the graph screen, press !a(').

12-7 Calling E-CON2 Functions from an eActivity u Econ Strip Memory Capacity Precautions

• The memory capacity of each Econ strip is 25 KB. An error will occur if you perform an operation that causes this capacity to be exceeded. Particular care is required when handling a large number of samples, which can cause memory capacity to be exceeded.
• Always make sure that FFT Graph is turned off whenever performing sampling with the microphone. Leaving FFT Graph turned on cause memory capacity to be exceeded.
• If an error occurs, press !a(') to return to the eActivity workspace screen and perform the procedure again.
• For information about checking the memory usage of each strip, see “10-5 eActivity File Memory Usage Screen” in the manual that comes with the fx-9860G SD or fx-9860G.