TWR-818 - Radio DENVER - Free user manual and instructions

Product Type	FM/MW/SW1-7 Mini 9 Band Digital Radio with Alarm Clock
Brand	Denver
Model	TWR-818
Dimensions	159 x 97 x 34 mm
Weight	260 g (without batteries)
Power Supply	DC 3V (2 x UM1 1.5V batteries or external DC 3V 300mA adapter)
Battery Type	Two UM1 (D size) 1.5V batteries
External Power	DC 3V 300mA (center positive plug)
Frequency Ranges	FM 87-108 MHz; MW 526.5-1606.5 kHz; SW1 5.95-6.20 MHz; SW2 7.10-7.30 MHz; SW3 9.50-9.80 MHz; SW4 11.65-12.05 MHz; SW5 13.60-13.80 MHz; SW6 15.10-15.60 MHz; SW7 17.50-17.90 MHz
Sensitivity (FM)	≤20 µV
Sensitivity (MW)	≤3 mV/m
Sensitivity (SW)	≤100 µV
Selectivity	10 dB (single-signal)
Speaker	0.5W, 8Ω
Earphone Jack	3.5mm stereo
Display	LCD with time, frequency, band, AM/PM, alarm indicators
Clock	12-hour format with manual setting via Hour/Minute buttons
Alarm	Radio alarm with set and ON/OFF buttons; automatically turns on radio at set time
Antenna	Telescopic for FM and SW; internal ferrite for MW
Bands	FM, MW (AM), SW1-7 (9 bands total)

Frequently Asked Questions - TWR-818 DENVER

How do I set the clock on the Denver TWR-818?

After installing batteries, the display shows '12:00'. Press and hold the Time set button (9), then press the Hour adjustment button (3) to set the hour and the Minute adjustment button (7) to set the minutes. Release the Time set button when done. The clock uses a 12-hour format with AM/PM indicators.

How do I set the alarm?

First, set the clock correctly. Then press and hold the Alarm set button (10). The display will show a symbol and a default time like '7:00'. Use the Hour adjustment button (3) and Minute adjustment button (7) to set your desired wake-up time. Release the Alarm set button to confirm.

How do I turn the alarm on or off?

After setting the alarm time, press the Alarm ON/OFF button (12) once. A bell symbol appears on the display indicating the alarm is active. To cancel the alarm, press the same button again; the symbol will disappear. Press the Power OFF button (11) to turn off the radio after the alarm.

What type of batteries does the radio use?

It uses two UM1 (D size) 1.5V batteries. Insert them into the battery slot with correct polarity. Do not mix old and new batteries or different types. If you don't use the radio for a long time, remove the batteries to prevent leakage.

How can I improve FM reception?

Fully extend the telescopic antenna (16) and adjust its length and direction for best reception. Keep the radio away from TV sets, fluorescent lamps, computers, and other electronic devices that can cause interference.

Can I use earphones with the radio?

Yes. Plug earphones with a 3.5mm jack into the Earphone jack (17). When earphones are connected, the internal speaker is automatically disabled, allowing private listening.

Why is the display showing incorrect time?

The digital display may be affected by temperature, humidity, or vibration. If the time deviates, reset it by following the clock setting procedure: press and hold the Time set button (9) and adjust the hour and minute using the corresponding buttons. Avoid using the radio in very low temperatures (below -10°C) to prevent LCD leakage.

How do I switch between radio bands?

Press the FM band/Power ON button (14) to listen to FM stations. Press the AM band/Power ON button (13) to listen to AM (MW) stations. For SW bands, after pressing the AM button, move the Band switch (1) to select MW or one of the SW1-7 bands.

How do I clean the radio?

Wipe the exterior with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners. Avoid getting moisture into the battery compartment or speaker grille. Store in a dry place when not in use.

What do the AM and PM indicators on the display mean?

The radio uses a 12-hour clock system. 'AM' indicates morning hours (midnight to noon), and 'PM' indicates afternoon/evening hours (noon to midnight). When setting the clock or alarm, ensure you set the correct AM/PM for your desired time.

USER MANUAL TWR-818 DENVER

Operating instructions

FM/MW/SW1-7 MINI 9 BAND DIGITAL RADIO WITH ALARM CLOCK

APPEARANCE DIAGRAM & FUNCTION INDICATION

1. Band switch
2. Display screen
3. Hour adjustment button
4. Power indicator
5. Hand bell
6. Lightillumination
7. Minute adjustment button
8. Tuner
9. Time set button

10. Alarmset button

11. Power OFF button

12. Alarm ON/OFF button
13. AM band/Power ON button
14. FM band/Power ON button
15. Telescopic antenna
16. Volumecontrol
17. Earphonejack
18. External power socket
19. Battery slot

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Technical diagram of a device with numbered components, likely an enclosure or fan assembly

LCDEXPLANATION

1. FMbandindication
2. AMband/AMtimeIndication
3. PMtime Indication
4. AlarmsetIndication
5. Alarmsidication
6. Frequency/timeindication
7. MW frequency unit indication
8. SW or FM frequency unit indication

POWER

Installing batteries

1. The radio uses two UM1 1.5V batteries, please put the
2. If the sound is distortion or the volume is faint, please
   change the batteries in time

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Attention:

1. Do not use new and old or different type batteries together.

2. In order to prevent the leakage of the electrolysis liquid or danger of explosion, do not charge, heat or resolve the batteries.

3. If you do not use the radio for a long time, please take out the batteries, lest the leakage of the battery corrodes the parts inthe radio.

UseExternal Power

Please use output DC 3V 300mA regulating external direct current power, check the positive and negative of the plug

RECEPTION OPERATION

1. Press the FM band/Power ON button (14) to turn on the radio, and to receive FM station program, meanwhile the Power indicator(4) will lightup.

2. press the AM band/Power ON button (13) to turn on the radio, and to receive AM station program, meanwhile the Power indicator (4) will light up. Move the Band switch (1) to select MW,SWI-7 station program.

3. When the radio is in the work state, turn the Volume control (15) to adjust to your desired volume.

4. Turn the Tuner (8) and watch the station frequency on the display screen search your desired station program.

5. In order not to affect others, you can use earphone to listen to the radio. Plug the earphones into the Earphone jack (17) (the speaker inside the radio is deactive), you can listen to the radio by earphones.

6. Keep the Light illumination button(6) pressed, the illumination lamp lights up, which is convenient for night operation.

7. When you do not listen to the radio, please press the Power OFF (11) to turn off the radio, the time displays on the display screen.

CLOCK SETTING

1. After installing batteries, the time"12:00"appears on the LCD.
2. Keep the Time set button(9)pressed, meanwhile press the Hour adjustment button (3) to adjust hour, or press the Minute adjustment button (7) to adjust minute, set theclock time.
3. If you want to see the time in the state of work, press the Power OFF button (11) to turn off the power, the time appears on the display screen.
4. The 12 hours system is used in the radio. The AM on the display screen indicates morning time, The PM on the display screen indicates afternoon time.

ALARM SETTING

After you complete to set the electronic clock time

correctly, you can set the Alarm time:

1. In the state of clock, press the Alarm set button(10) pressed, the symbol of "or "7:00" on the display screen. Press the Hour adjustment button (3) to adjust hour, and press the Minute adjustment button(7) to adjust minute, adjust to your desired time to turn on the radio.
2. When the radio works, press the Alarm set button(10), the alarm time displays on the display screen, and the symbol of "i+".
3. When setting alarm ON/OFF time, AM on the LCD means morning time, PM means afternoon time.

ALARMFUNCTION

1. After setting the alarm time, keep the radio in the state of clock.
2. Press the Alarm ON/OFF button (12) once, the symbol of * * displays on the display screen, the Alarm ON/OFF function begins to work. When the turn on time reaches, the radio will automate to be turned on, the FM band frequency will display on the display screen.
3. Press the Alarm ON/OFF button (12) to cancel the "💡" symbol, and press the Power OFF button (11) to turn off the radio.

USE ANTENNA

Receive MW Broadcast

Receiving MW broadcast by using the internal magnetic antenna, and you can get the best reception by rotating the direction of the radio.

Receive FM Broadcast

Receiving FM broadcast by using the telescopic antenna, please pull out it to get the best reception by changing its length and direction.

Receive SW Broadcast

Receiving SW broadcast by using the telescopic antenna, please pull out it and keep it vertical to get the best reception.

COMMON PROBLEMS & HANDLE

1. The MW and SW are strongly jammed by the TV set, fluorescent lamp, silicon controlled table lamp, computer and motor and so on. When you use the radio, please keep the radio away from the above-mentioned electrical equipment.
2. Reinforcing bar structure inside the multi-storied building and high building will screen the broadcast signal, receiving near the window will improve reception effect.
3. The SW and FM broadcast will be strongly jammed by the nearby "BB" station signal, you can improve reception effect by adjusting the length of the antenna and the angle of the radio.
4. You can use the soft antenna, one end is stuck to the antenna, the other end is put outside the window, it will improve SW and FM receiving effect.
5. The digit display radio is affected by the temperature, humidity and vibration and son on, the digit frequency will maybe deviate. So in using time turn on function, if the frequency deviates, please adjust to receive the correct station.
6. When the temperature is under -10°C in winter, it will cause the leakage of LCD, in general, please avoid using the radio under low temperature.

TECHNICAL INDEX

1. FrequencyRange
   FM 87-108 MHz
   MW 526.5-1606.5KHz
   SW1 5.95-6.20 MHz SW2 7.10-7.30 MHz
   5W3 9.50-9.80 MHz
   SW4 11.65-12.05 MHz
   SW5 13.60-13.80 MHz
   SW6 15.10-15.60 M H z
   SW7 17.50-17.90 M H z

2. Sensitivity

FM ≤ 20μV

MW≤ 3 mV/m

SW ≤ 100μV

1. Single-signal Selectivity 10dB

POWER: DC 3V

Battery two DM1 1.5V batteries

External Power ⊕ ⊙ 3V 300mA

1. Maximum consume current ≤ 150mA

2. Speaker: 0.66mm/81 /0.5W

3. Earphone: 3.5mm32

4. Unit Size: 159x9/×34mm

5. weight: 260g(withoutbattery)

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