Denver TWR-818 User manual

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FM/MW/SW1-7 MINI 9 BAND DIGITAL RADIO WITH ALARM CLOCK
APPEARANCE DIAGRAM & FUNCTION INDICATION
1.
2.
3.
4. Power
5.
6. L
7.
8.
9.
10.
Band switch
Display screen
Hour adjustment button
indicator
Hand belt
ight illumination
Minute adjustment button
Tuner
Time set button
Alarm set button
Operating instructions
15
16
17
18
19
1 2 3 4
6
7
8
9
5
10
11
12
13
14
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. Volume control
17. Earphone jack
18. External power socket
19. Battery slot
England

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LCD EXPLANATION
1.
2.
3.
4. Alarm set indication
5.
6.
FM band indication
AM band/AM time indication
PM time indication
Alarm indication
Frequency/time indication
7. MW frequency unit indication
8. SW or FM frequency unit indication 6
1 2 3 4 5
7
8
R 20 S IZE D 1.5V R20 SIZE D 1 .5V
POWER
Installing batteries
1. The radio uses two UM1 1.5V batteries, please put the
new batteries in the battery slot according to the polarity.
2. If the sound is distortion or the volume is faint, please
change the batteries in time.

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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 in the radio.
Please use output DC 3V 300mA regulating external direct current power, check the positive and negative of the plug
.
Attention:
Use External Power
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 light up.
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,SW1-7 station program.
3. When the radio is in the work state, turn the Volume control (16) 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.

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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
the clock 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 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 " ".
3. When setting alarm ON/OFF time, AM on the LCD means morning time, PM means
afternoon time.
"7:00"

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ALARM FUNCTION
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.

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

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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 in winter, it will cause the leakage of LCD, in general, please avoid using the
radio under low temperature.
℃
COMMON PROBLEMS & HANDLE

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TECHNICAL INDEX
1. Frequency Range
FM 87-108 MHz
MW 526.5-1606.5 KHz
SW1 5.95-6.20 MHz
SW2 7.10-7.30 MHz
SW3 9.50-9.90 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
5. Maximum consume current 150mA
6. Speaker: 66mm/8 /0.5W
7. Earphone: 3.5mm32
8. Unit Size: 159x97x34mm
9. Weight: 260g (without battery)
≤
Φ Ω
Φ Ω
≤
2. Sensitivity
FM 20 V
MW 3mV/m
SW 100 V
≤
≤
≤
3. Single-signal Selectivity 10dB
4. Power: DC 3V
Battery two UM1 1.5V batteries
External Power 3V 300mA