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Retevis RT49B User Manual page 6

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L3=High Sensitivity
L2=Medium Sensitivity
L1=Low Sensitivity
L0=Turn Off VOX function
Dual Channel Monitor
EnableTo set another channel and start Dual Watch.you to scan current channel and another channel alternately.
1. Press button until '2CH' appears on the display. The current setting (OF, 1-22) will flash.
2. Press or to select channels.
3. Press the PTT button to exit menu or button to continue setup.
4. Press the PTT button or wait until the time out menu to activate Dual Watch. The screen will alternate between
Home Channel and Dual Watch Channel.
To end Dual Watch mode, re-enter Dual Watch menu to select the OFF setting.
Note:
If you set the same channel and code as current channel, Dual Watch does not work.
Setting High Low Power
1. Press
button until 'Pr' appears on the display.
2. Press
or
button to select HI or LO. (HI- High Power, LO- Low Power)
3. Press the PTT button to exit menu.
Keypad Tones
Your radio emits a beep each time one of the buttons is pressed (except the PTT and
Press and hold the
button while turning the radio ON to switch the keypad tone ON/OFF
Roger Tone
You can set your radio to transmit a unique tone when you finish transmitting.
Press and hold the
button while turning the radio ON to turn the Roger Beep ON. Repeat the step to turn Roger
Beep OFF .
Keypad Lock
To avoid accidentally changing your radio settings:
07
1. To lock the radio, press and hold
2. To unlock the radio, press and hold
Scanning Channels
Use scan to search all channels for transmissions from unknown parties, to find someone in your group who has
accidentally changed channels or to quickly find unused channels for your own use.To Start Scanning:
1. Briefly press the
channel and code combinations.
2. When the radio detects channel activity matching the channel and code combination, it stops scrolling and you can
hear the transmission.
3. To respond and talk to the person transmitting, press the PTT button within 5 seconds after the end of the
transmission.
4. The radio will resume scrolling through the channels five seconds after the end of any received activity.
5. To stop scanning, briefly press the
Scanning Notes
1. If you press the PTT button while the radio is scrolling through inactive channels, the transmission will be on the"
home channel". Scanning will resume 5 seconds after the end of your transmis-sion. You may press the
to stop scanning at any time.
2. If the radio stops on an undesired transmission, you may immediately resume the scan by briefly pressing
button.
3. If the radio repeatedly stops on an undesired transmission, you may temporarily remove that channel from the scan
list by pressing and holding
4. To restore the removed channel(s) to the scan list, turn the radio off and then turn back on, or exit and re-enter the
button).
scanning mode by pressing
5. You cannot remove the home channel from the scan list.
LED Lamp
Your radio has a built-in-LED Lamp.
Briefly press the
Automatic Power Save
For better battery life, your radio is designed to switch to Power Save mode when it has been no transmissions after 5
seconds. The radio can receive transmissions in this mode.
button until the key lock indicator
button until key lock indicator
button, the SCAN icon will appear in the display and the radio will begin to scroll through the
button.
or
for 3 seconds. You may remove more than one channel in this way.
button.
button once to ON the lamp, press again to OFF the lamp.
icon on display appear.
icon on display disappear.
button
or
08

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