EL-2910R - Calculator SHARP - Free user manual and instructions

USER MANUAL EL-2910R SHARP

To insure trouble-free operation of your SHARP calculator, we recommend the following

1. The calculator should be kept in areas free from

extreme temperature changes, moisture, and dust

2. À soft, dry cloth should be used to clean the

calculator. Do not use solvents or a wet cloth.

3. Since this product is not waterproof, do not use it

or store it where fluids, for example water, can splash onto it. Raindrops, water spray, juice, coffee, steam, perspiration, etc. will also cause malfunction.

4. If service should be required, use only a SHARP

servicing dealer, a SHARP approved service facility or SHARP repair service.

5. Ifthe unitis operated from AC power only, without

installing the memory protection battery, the set tax rates and memory contents (including GT memory) will be cleared if the power plug is removed from the outlet. This will also occur when the memory protection battery is replaced.

TAX RATE CALCULATIONS

Before using for the first time, remove the attached lithium battery, and install it in the equipment according to the following procedure. If the power cord is unplugged by accident when operating with AC power only, the set tax rate and the contents of memory will be lost.

1) Turn the power switch “OFF” and unplug the

power supply plug from the outlet.

2) Remove the battery cover on the back of the unit.

3) Wipe the battery well with a dry cloth and place

the plus “+" side upward. (Fig. 2)

4) Replace the battery cover by reversing the

(See page 9). After battery installation + Connect the power supply plug to an outlet and turn the power switch “ON”. Checkthat "0." is displayed. 1f"0."is not displayed, remove the battery, reinstall it, and check the display again. On the battery replacement date label found on the back of the unit, write down the month and year when the battery is installed, as a reference for the next battery replacement.

Pac mr ON POWER SWITCH; PRINT / ITEM COUNT MODE SELECTOR: “OFF": Power OFF “ Power ON. Set to the non-print mode “P': Power ON. Set to the print mode “P-IC": Power ON. Set to the print mode Each time or (is pressed, in the case of additional and subtraction, or is pressed, in the case of memory calculations, the associated item counter is incremented by one. Select the “PIC” position to print the counter values. + The count is printed when the calculated result is obtained. + Pressing of clears the counter. The counter has à maximum Note: F63210A

capacity of 3 digits (up to +999). the count exceeds the maximum, the counter will recount from zero.

DECIMAL / ADD MODE SELEC-

TOI “F': Floating. 63210" Fixed “ Add mode. ROUNDING SELECTOR: “t': An answer is rounded up. “5/4": An answer is rounded off. “L": An answer is rounded down.

GRAND TOTAL / RATE SETTING

MODE SELECTOR: “GT”: This selector will accumulate the following: (‘x +" will be printed.) + Addition and subtraction totals obtained with “": Neutral, GT OFF. “RATE SET": Set the key to position to enter (or change) the tax rate.

LAST DIGIT CORRECTION KEY (A PRE-TAX KEY GRAND TOTAL KEY DISPLAY SYMBOLS: NON-ADD KEY M : Memory symbol Appears when a number is in the memory. SUBTOTAL KEY =: Minus symbol CLEAR / CLEAR ENTRY KEY Appears when a number is negative Error symbol TOTAL KEY Appears when an overilow or other error is detected EQUAL KEY CHANGE SIGN KEY: Changes the algebraic sign of a number (i.e., positive to negative or negative to positive) MARKUP KEY: Used to perform mark-ups and mark-down.

Never insert paper roll if torn. Doing so will cause paper to jam. Always cut leading edge with scissors first.

1) Insert the leading edge of the paper roll into the

2) Turn the power on and feed the paper by pressing

3) Liftthe attached metal paper holder up and insert

the paper roll to the paper holder. (Fig. 3) DO NOT PULL PAPER BACKWARDS AS THIS

MAY CAUSE DAMAGE TO PRINTING

If printing is blurry even when the ink roller is in the proper position, replace the roller. Type EA-781R-BK (Black) Type EA-781R-RD (Red) Ink roller: WARNING APPLYING INK TO WORN INK ROLLER OR

CAUSE SERIOUS DAMAGE TO PRINTER.

1) Setthe power switch to OFF.

2) Remove the printer cover. (Fig. 1)

3) Remove the ink roller by turing it counterclockwise

and puling it upward. (Fig. 2) Install the correct color new ink roller and press it inthe correct position. Make sure that the ink roller is securely in place. (Fig. 3)

Fig. 3 Cleaning the printing mechanism If the print becomes dull after long time usage, clean the printing wheel according to the following procedures:

1) Remove the printer cover and the ink roller.

2) Install the paper roll and feed it until it comes out

of the front of the printing mechanism.

3) Put a small brush (like a tooth brush) lightly to the

printing wheel and clean it by pressing

4) Put back the ink roller and the printer cover.

Notes: + Do not rotate the printing mechanism manually, this may damage the printer. + Never attempt to turn the printing belt or restrict its movement while printing. This may cause incorrect printing. ERRORS There are several situations which will cause an overflow or an error condition. When this occurs, “e" will be displayed. The contents of the memory at the time of the error are retained. If “e" is displayed at the time of th +<" will be printed in black and be used to clear the calculator. rror, must Error conditions:

1. When the integer portion of an answer exceeds

2. When the integer portion of the contents of the

memory exceeds 12 digits. (Ex. (1) 999999999999 [ms] 1 (ms)

3. ge" any number is divided by zero. (Ex. 5(+)0

4. This unit is equipped with a key input buffer (12

row max.), and it may give an error message if you exceed the buffer limit by pressing keys sequentiallly during printing.

REPLACEMENT OF BATTERY FOR MEMORY PROTECTION

Time for battery replacement Replace with a new battery once 2 year. Method of battery replacement Use one lithium battery (CR2032). Note: When replacing the battery, the set tax rate and the memory contents will be lost. You may want to write down the tax rate and other important numbers on a sheet of paper.

1) Turn the power switch “OFF” and unplug the

power supply plug from the outlet.

2) Remove the battery cover on the back of the unit.

3) Remove the exhausted battery and install one

new lithium battery. Wipe the battery well with a dry cloth and place the plus “+” side upward. (Fig.

4) Replace the battery cover by reversing the

(See page 9). After battery replacement + Connect the power supply plug to an outlet and turn the power switch “ON”. Checkthat “O."is displayed. 1f“O."is not displayed, remove the battery, reinstall it, and check the display again. Reset the tax rate. On the battery replacement date label found on the back of the unit, write down the month and year when the battery is replaced, as a reference for the next battery replacement.

Precautions on battery use + Do not leave an exhausted battery in the equipment. + Do not expose the battery to water or flame, and do not take it apart. + Store batteries out of the reach of small children. SPECIFICATIONS Operating capacity: 12 digits Power supply: Operating. AC: 220V-230V, 50Hz Memory backup: 3V æ (DC) {Lithium battery CR2032 x

Memory Protection Battery lifespan: Approx. 2 years. (tested and confirmed at 25°C (77°F): may change due to usage environment) PRINTING SECTION Printer: Mechanical printer Printing speed: Approx. 3.0 lines/sec. Printing paper: Operating temperature: Power consumption: Dimensions: Weight: Accessories: 57 mm (2-1/4")—58 mm (2- 9/32") wide 80 mm (3-5/32") in diameter (max.) 0°C—40°C (32°F—104°F) 74mA 221 mm (W) x 305 mm (D) x 72 mm (H) (8-11/16" (W) x 12-1/16" (D) x 2-27/32" (H)) Approx. 1.3 kg (2.87 Ib.) (with battery) À lithium battery, 1 battery replacement date label {attached on the units back body), 1 paper roll, 2 ink rollers (installed), and operation manual

Strong impacts, exposure to electrical fields, or other unusual conditions may render the unit inoperative, and pressing the keys will have no effect. If this occurs, you will have to press the RESET switch on the bottom of the unit. The RESET switch should be pressed only when: + an abnormal event occurs and all keys are disabled. +_ you install or replace the battery. Notes: Pressing the RESET switch will clear the stored tax rate and other data stored in the memory. Use only a ballpoint pen to press the RESET switch. Do not use anything breakable or anything with a sharp tip, such as a needle. After pressing the RESET switch, connect the power supply plug to an outlet. Turn the power switch “ON” and check that “O." is displayed.

CALCULATION EXAMPLES prior to beginning any calculation.

2. Before performing memory calculation, first clear

the memory, and to before performing grand total memory calculation, first clear the grand total memory. Memory: Press (M). Grand total memory: Press

3. lfan error is made while entering a number, press

nd enter the correct number.

4. Negative values are printed with “" symbol in

OFF: pr. ST RATESET Lu,» +544 F63210A Cm Cas | = Don't care., RECHNUNGSBEISPIELE

or TP RuG apr GT-RATESET 4,

ADDITION AND SUBTRACTION WITH ADD

ITEM COUNT CALCULATION /

VERANDERING EXAMPLE: Calculate the dollar difference (a) and the percent change (b) between two yearly sales figures $1,500 in one year and $1,300 in the previous.

1:800- © 1500. = 200: © * (a) 15:38 0% (b)

TAX RATE CALCULATIONS