KH 2025 DIGITAL WORLD RADIO RECEIVER - Digital radio receiver EBENCH - Free user manual and instructions
Find the device manual for free KH 2025 DIGITAL WORLD RADIO RECEIVER EBENCH in PDF.
| Product type | Portable digital radio receiver (World Receiver) |
| Brand | EBENCH |
| Model | KH 2025 |
| Dimensions (approx.) | 150 x 80 x 30 mm |
| Weight (without batteries) | 250 g |
| Power supply | 4 x AA 1.5 V batteries or DC 6-7.5 V / 300 mA mains adapter (not included) |
| Reception bands | FM (VHF): 87.5-108.5 MHz; MW Europe: 522-1656 kHz; MW USA: 520-1710 kHz; SW: 5.85-15.6 MHz; LW: 144-281 kHz |
| Number of presets | 160 presets (5 banks × 10 for FM, MW, SW; 1 bank × 10 for LW) |
| Clock functions | Clock with date, 2 alarms (radio or tone), 9 min snooze, alarm date, 90 min sleep timer |
| Audio output | 3.5 mm stereo headphone jack |
| Antenna | Telescopic for FM and SW; built-in ferrite antenna for MW and LW |
| SW sensitivity | 2 selectable levels: RX (local) / LX (long distance) |
| Tuning step | FM: 50 kHz; MW Europe: 9 kHz; MW USA: 10 kHz; SW: 5 kHz / 1 kHz; LW: 1 kHz |
| Operating conditions | Temperature: -5 to +40 °C; humidity: 20-80 % RH |
| Maintenance and cleaning | Clean with a soft, dry cloth. Do not use abrasive cleaners or solvents. |
| Safety | Do not open the casing. Observe battery and adapter polarity. Protect from shocks and moisture. |
| Repairability | In case of malfunction, contact customer service. No user-serviceable parts. |
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USER MANUAL KH 2025 DIGITAL WORLD RADIO RECEIVER EBENCH
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Labeled diagram of a handheld device showing numbered components including phone, screen, and display portsKeep this manual for future reference – and also pass it on with the device to any future owners.
Contents
- Intended Use 3
- Technical Data .... 5
- Safety Instructions ...... 6
- Power Supply 7
- Switching On / Off 8
- Reception ......9
- Memory 10
- Time and Timer ......13
- Miscellaneous 18
- Self-Help 19
- Disposal 20
1. Intended Use
This device is intended for the reception of generally approved radio transmissions in all countries (world receiver) and only for household use.
It is not intended for the reception of stations that are not generally approved, for use as part of safety radio systems, such as on board sport boats, or for use in commercial or industrial environments. It is also not intended for climate zones outside of the ranges specified under Technical Data.
The information in parantheses refers to the sections of this manual.
1 Starting the Memory Scan (7c)
② Saving Memory Positions (7a)
Loading Memory Positions (7b)
③ Saving Stations (7a)
Locking the Buttons (9)
4 Short Wave Sensitivity (6e)
⑤ Searching for Stations (6d)
Setting Times, Dates (8a, 8b, 8g)
6 Selecting the Reception Band (6b)
⑦ Changing the Type of Time Display (9)
⑧ Setting the Volume (6b)
Setting Alarm Times 1/2 (8g)
Resetting the Alarm Time (8h)
⑨ Switching On the Device (5a)
Switching Off With a Time Delay (5c)
10 Setting the Time + Date (8a, 8b)
11 External Power Supply, 4b
12 Connecting Headphones
13 Switching the Medium Wave Range (6c)
14 Setting the Device at an Incline (9)
15 Switching Off the Device (5b)
Activating/Deactivation Daylight
Savings Time (8f)
Resetting the Alarm by 9 Minutes (8h)
16 Selecting a Memory Block (7a, 7b)
17 Daylight Savings Time (8f)
18 The batteries are almost empty – replace!
19 Station Memory: Block PAGE and memory position MEM (7a)
a) Environmental limits
Temperatures .....: -5 - +40 °C
Relative humidity: 20 - 80% RMH
b) Reception ranges
USW (FM) ......: 87.5 – 108.5 MHz
MW Europe......: 522 – 1656 KHz
MW USA......: 520 - 1710 KHz
SW ......: 5.85 – 15.6 MHz
LW ......: 144 - 281 KHz
This information only describes the technical capabilities of the device.
Different contries can have deviating legal regulations regarding the freely receivable frequency range. Please note that reception outside of these regulations can therefore be illegal and punishable.
Tuning range.....: USW 50 KHz
MW Europe 9 KHz
MW USA 10 KHz
SW 5 KHz / 1 KHz
LW 1 KHz
Sensitivity ......: SW 2 levels selectable
c) Other
Memory positions: 160 stations
Timer......: 2 alarm times
9 min. snooze timer
Date-specific Timer
90 min. Sleep timer
Output.....: Connection for stereo
headphones 3.5 mm
Power supply ....: Connection for
external power supply
DC 6 V - 7.5 V
Batteries ......: 4 x 1.5 V type "AA"
3. Safety Instructions
Transportable world receivers are used in a wide range of climate zones. Particularly when outdoors, make certain that ...
- the environmental limits are not exceeded (see Section 2).
- Electronic devices can be damaged by moisture.
- Extremely dry air can cause static charges that can lead to faulty functions.
- Excessive temperatures (e.g. direct sunlight) or very low temperatures (e.g. outdoors in winter) can permanently darken the liquid crystal display.
Transportable devices are particularly at risk to accidental damage. You can reduce this risk by observing the following:
- Protect the device against heavy stresses, such as impacts and falls.
- Select a location in your travel luggage where it cannot be damaged or switched on by other hard objects.
- When in areas with elevated security requirements (e.g. airplanes), it is best to transport the device without the batteries inserted because it cannot be completely switched off (clock, timer functions, ...).
Important: Make certain that the polarity is correct – both for the batteries as well as for the external power supply. If the polarity is reversed, the device will be damaged.
a) About the Batteries
- Open the battery compartment on the back side of the device and insert four batteries of type "1.5V AA" according to the labels in the battery compartment.
Note: Used batteries may not be disposed of in household waste. Return these to your retailer or to an appropriate collection site for disposal.
b) External Power Supply
11 Connect an external power supply of DC 6...7.5V / 300 mA to the power supply jack, as seen in the picture.
Note: The station memory described in Section 7 will be deleted if the device is without power for longer than about 30 seconds.
You should therefore leave an external power supply connected while you change the batteries – or finish changing them within 30 seconds!
With this device, you can only switch the reception operation on and off. The clock for time and date as well as the timer continue to function as long as the device is supplied with power.
a) Switching On
⑨ To switch on the device, briefly press the button RADIO ON / SLEEP once. "OT" appears initially in the display, followed by the tuned frequency.
b) Switching Off Immediately
15 To switch the device off, press the button SNOOZE / Radio off, or ...
⑨ the button RADIO ON / SLEEP repeatedly until "OFF" appears in the display.
c) Switching Off with Time Delay
If you would like to listen to the radio for a while longer, for instance before falling asleep, but would like the device to switch off automatically after a certain amount of time (10...90 minutes), ...
⑨ press the button RADIO ON / SLEEP only enough times until the desired number of minutes is shown in the display ("10 ... 90").
The countdown begins immediately with the first press of this button. If you do not alter the remaining time, the display will switch back to the tuned frequency. You can check the remaining time or reduce it by pressing the ...
⑨ button RADIO ON / SLEEP again.
As soon as the device is switched on as described under 5., it is already in receive mode.
a) Setting the Volume
⑧ Press the buttons ▼ VOLUME ▲ to adjust the volume.
b) Selecting the Reception Range (Band)
6 Select the desired reception range with the sliding switch:
- USW = Ultra Short Wave
- MW = Medium Wave
- SW = Short Wave
- LW = Long Wave
c) Changing the Medium Wave Rage
The frequency range and tuning intervals of MW vary by region:
13 Set the sliding switch to
- up in the region "USA"
- down in the region "Europe".
d) Searching for Stations
5 Press briefly on one of the two TUNING buttons to search upward or downward in steps.
5 Hold one of the TUNING buttons pressed to start a scan. The device stops as soon as a sufficiently strong station is found. Pressing the button again will continue the scan.
If the scan process frequently lasts too long, for instance because too many signals are received in the evening, the sensitivity can be reduced to short wave (local reception).
4 Set the sensitiviy switch to
- RX for local reception
- LX for long-range reception.
f) Sensitivity and Antennas
The telescoping antenna is responsible for USW and short wave (SW). You can alter the reception strength by adjusting the length, inclination and direction of the antenna.
A ferrite antenna is built into the device for medium wave (MW) and long wave (LW) reception. Turn the entire device to alter the reception strength.
7. Memory
A total of 160 memory positions are available – specifically ...
- 5 blocks of 10 positions each for USW
- 5 blocks of 10 positions each for MW
- 5 blocks of 10 positions each for SW
- 1 block with 10 positions for LW.
The blocks are also designated as "pages".
This division into blocks is useful to allow the stations to be saved according to a meaningful organisation principle. For instance ...
- by type: music, news, sports
- by location: local stations or frequently visited travel destinations
- by person: if multiple family members use the device
When you have found a station that you would like to save:
③ Press the button MEMORY.
16 Two small windows then appear in the display:
- PAGE containing the numbers 1...5
- MEM containing an empty field.
Make your selection within the next 10 seconds, otherwise this display disappears and you must start this step again.
16 Press the button PAGE until the small window PAGE contains the number for the block 1...5 to which you would like to save the station.
Once you have selected the desired block (page), ...
② then press one of the buttons M0/5 M1/6 M2/7 M3/8 M4/9 to select the memory position 0...9.
The number associated with the memory position then appears in the small window MEM.
Note: These buttons each have two assignments. Each press switches between the two assignments (e.g between 0 and 5).
When you have selected the desired memory position, ...
③ press the button MEMORY again. The station is now saved.
If you would like to load a saved station:
6 First select the band (reception range).
16 Press the button PAGE until the small window PAGE contains the number for the block 1...5 from which you would like to load the station.
② Then press one of the buttons M0/5 M1/6 M2/7 M3/8 M4/9 until the number of the desired memory position appears in the second small window MEM.
Note: These buttons each have two assignments. Each press switches between the two assignments (e.g between 0 and 5).
c) Memory Scanning
If you have saved multiple stations:
16 First select the band (reception range).
② Press the button PAGE until the small window PASE contains the number for the block 1...5 in which you would like to start the scan.
① Then press the button MEMORY SCAN once briefly. Now all memory positions are accessed in about 5 second steps.
If no station is saved at a memory position, only static is heard.
Pressing any button (except for the volume buttons) ends the memory scan.
The device can be used as a radio alarm with two alarm times and one date alarm. An alarm tone is also available in place of the radio alarm function.
a) Setting the Time
When the device is switched off, and the date and time appear in the display in alternation:
10 Press the button MODE. The time now blinks in the display.
5 Press one of the TUNING buttons briefly to set the time by minute.
⑤ Hold one of the TUNING buttons pressed to change the time in 10-minute steps.
b) Setting the Date
9 Press the button MODE until the date blinks in the display.
5 Press one of the TUNING buttons briefly to set the date by day.
⑤ Hold one of the TUNING buttons pressed to change the date in 10-day steps.
c) Accepting the Time / Date
You do not have to do anything to accept the time and date – the newly set time or date is accepted immediately after making the setting.
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d) Setting the Home Time Region
Set the time region here in which you typically reside:
10 Press the button MODE until LOCAL CITY appears in the display.
⑤ Use the TUNING buttons to select your home time region:
| Code | Applies to Time Region | Difference to UTC |
| UTC | Universal Coordinated Time ..... 0 | |
| LON | London / England ..... 0 | |
| MUN | Munich / Germany ..... 1 | |
| FRA | Frankfurt / Germany ..... 1 | |
| PAR | Paris / France ..... 1 | |
| ROM | Rome / Italy ..... 1 | |
| CRI | Cairo / Egypt ..... 2 | |
| IST | Istanbul / Turkey ..... 2 | |
| TOW | Moscow / Russia ..... 3 | |
| KUI | Kuwait ..... 3 | |
| OXB | Dubai / Saudi Arabia ..... 4 | |
| KHI | Karachi / Pakistan ..... 5 | |
Dacca / Bangladesh 6
BKK | Bangkok / Thailand 7
517 Singapore 8
HKG | Hongkong 8
PEK | Peking / China 8
T40 Tokyo / Japan 9
540 Sydney / Australia 10
NOU | Noumea / New Caledonia ..... 11
RKU Auckland / New Zealand ..... 12
HPL | Honolulu / USA ...... - 10
ANC | Anchorage / USA - 9
YVR | Vancouver / Canada ...... - 8
L/RX | Los Angeles - 8
DEN | Denver ...... - 7
CHI Chicago - 6
ITEX | Mexico - 6
NYC | New York - 5
447 Toronto / Canada - 5
YUL | Montreal / Canada ...... - 5
CCS Caracas / Venezuela ...... - 4
Rio | Rio De Janeiro / Brazil ...... - 3
BUE Buenos Aires / Argentina ......- 3
Once you have selected a home time region as described under d):
10 Press the button MODE until only CITY appears in the display.
⑤ Use the TUNING buttons to select the travel destination from the same table, as used previously under d).
The device now shows the time difference between the travel destination region and your home time region.
After approx. 15 seconds, the device returns to the normal time display.
Note: Section 9 describes how you can have the time difference configured here displayed in alternation with your home time region.
f) Setting Daylight Savings Time
Set this first for the normal clock display:
10 Press the button MODE until LOCAL CITY appears in the display along with the code for your home time region, as set under d).
15 Then press the SNOOZE button to activate daylight savings time and press it again to deactivate it.
17 When the symbol for daylight savings time appears in the display, the time is shown minus one hour.
Simply repeat this step for the configured travel destination regions if you want to apply the daylight savings time to those as well.
When the device is switched off, and the date and time appear in the display in alternation:
⑧ First select which of the two alarm times should be set. Press the button ...
- ALARM 1 for alarm time 1
- ALARM 2 for alarm time 2
Once the respectively selected alarm time blinks in the display:
5 Press one of the TUNING buttons briefly to set the alarm time by minute.
⑤ Hold one of the TUNING buttons pressed to change the alarm time in 10-minute steps.
Now specify whether the alarm function should function every day or whether the weekend should be excluded:
15 Press the SNOOZE button if you want to exclude weekends from the alarm function.
15 With every press of this button, the display will switch between:
- all days of the week or
- only work days, in other words without Saturday and Sunday.
This is useful for working people who do not want to reset the alarm times after every weekend.
In conclusion, select the type of alarm:
8 Press the ALARM button for the selected alarm time until the display indicates ...
- RUT: This means that an alarm tone (beep) will sound for approx. 10 minutes.
- RAD: This means that the radio will be switched on at the alarm time for about 60 minutes.
- Both codes disappear: This means that the alarm function is deactivated.
If you would like to be woken by the radio, you should select the desired station and volume level before going to sleep.
You can then simply switch off the device.
h) When the Alarm Goes Off
When the alarm tone or the activation of the radio function is triggered at the alarm time, you can ...
15 reset the alarm by 9 minutes (snooze function) by pressing the SNOOZE button,
⑧ or press the respective ALARM button to reset the alarm to the next day.
If you would like to completely deactivate the alarm function, this can only be done as follows.
Note: The configured alarm and clock times are lost if the device is without power for longer than 30 seconds, for instance while changing the batteries. Be sure to check all configured times afterward!
You can program a reminder alarm to go off on a specific date. On this day, an alarm will go off for about 10 minutes on every hour starting at 8:00 a.m. until you press any button.
When the device is switched off and the date and time appear in the display in alternation:
10 Press the button MODE until the date blinks in alternation with SDR in the display.
5 Press one of the TUNING buttons briefly to set the SDA date by day.
⑤ Hold one of the TUNING buttons pressed to change the SDA date in 10-day steps.
Once an SDA alarm has been programmed, you can only deactivate it by repeating the configuration steps and programming in a date that is long past.
9. Miscellaneous
③ To lock the buttons against accidental operation, hold the button KEY-LOCK pressed for 5 seconds until KEY LOCK appears in the display.
③ If you hold down the button again, the lock is removed.
14 Fold out the prop to set the device at an incline.
When the device is switched off, and the date and time appear in the display in alternation:
⑦ Press the button Alt. Display until the display shows ...
- the symbol ⏻:
When the device is switched off, only the time will be displayed. - DATE and ⏱:
When the device is switched off, the time and date will be displayed in alternation.
- CITY and DATE and ⏻:
When the device is switched off, the time and date as well as the travel destination time region will be displayed in alternation.
10. Self-Help
Do not open the housing of the device – there are no operating elements contained inside.
a) Cleaning
Only clean the device with a soft, dry cloth. Do not use any cleansers or abrasive agents, these could scratch the housing and in particular the display window.
b) If Something Does Not Function
Remove all batteries for 2-3 minutes and unplug any external power supply connected to the device if it does not react as described in this manual. Now it should function properly again.
c) Additional Problems?
If the device still does not function as described above, a defect may be present. In this case, contact the customer service.
11. Disposal
If you want to dispose of the device, first remove the batteries. Used batteries may not be disposed of in household waste. Return these to your retailer or to an appropriate collection site for disposal.
Tip: Care for the environment. If you want to dispose of the device, return it to a collection site for recycling of electronics.
