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6 TOPCOM TWINTALKER 3700
TOPCOM TWINTALKER 3700
13.7 MONITOR
You can use the MONITOR feature to check for weaker signals in the current channel.
Press and simultaneous to activate channel monitoring.
Press to stop monitoring.
13.8 VOX SELECTION
The PMR is capable of voice activated (VOX) transmission. In VOX mode, the radio will transmit a signal when it is
activated by your voice or other sound around you. VOX operation is not recommended If you plan to use your radio in
a noisy or windy environment.
• Press 3 times.
• Press to turn the VOX feature ON and press again to select the VOX sensitivity level which is
indicated in the right corner of the display. Press until OF appears on the display, to turn VOX OFF.
• In the VOX mode, the VOX icon will be displayed.
• To confirm your selection and return to the NORMAL mode, press .
13.9 CHANNEL SCAN
CHANNEL SCAN performs searches for active signals in an endless loop from channel 1 to 8.
Press and hold . Press briefly to start scanning.
Release the buttons.
When an active signal (one of 8 channels) is detected, CHANNEL SCAN pauses and you will hear the active sig-
nal.
Press to communicate through the active signal channel. Press to deactivate channel scan.
When an active signal (one of 8 channels) is detected, press or to bypass the current channel and continue
to search for another active channel
13.10 CALL TONES
A call tone alerts others that you want to talk.
a. Setting the Call Tone
5 different Call Tones can be selected.
• Press 4 times. CA will be displayed.
• Press or to select another call tone or select OF to enable call tones.
• Press to confirm your selection and return to the standby mode.
b. Sending a call Tone
Press briefly. The call tone will be transmitted for 3 seconds on the set channel.
13.11 ROGER BEEP ON/OFF
After the - button is released, the unit will send out a roger beep to confirm that you have stopped talking.
To set the Roger Beep.
• Press 5 times. ‘ro’ will be displayed.
• Press to enable (ON) or disable the Roger-Beep (OF).
• Press to confirm your selection and return to the standby mode.
PTT
PTT
PTT
PTT
PTT
PTT
8


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