User guide

8 Topcom Twintalker 3800
Topcom Twintalker 3800
14.8 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.
14.9 Call Tones
A call tone alerts others that you want to start talking.
14.9.1 Setting the Call Tone
The Twintalker 3800 has 5 call tones
14.9.2 Sending a call Tone
Press the button briefly. The call tone will be transmitted on the set channel.
14.10 Roger Beep On/Off
After the PTT - button is released, the unit will send out a roger beep to confirm that you
have stopped talking.
Press the - button
three times, the current VOX setting
flashes on the display and the VOX icon is displayed.
Press the -button to turn the VOX feature ON. Press the
-button again to set the VOX sensitivity level between 1
and 3. Press the button until ‘OF’ appears on the display,
to turn VOX OFF.
Press the - button
to confirm and return to stand-by
mode.
Press the - button
four times, ‘CA is displayed.
Press the - button
or the - button to change to
another Call Tone. Select ‘OF’ to disable the call tones.
Press the - button
to confirm and return to stand-by
mode.
Press the - button five times, the current Roger Beep
setting flashes on the display and ‘ro’ is displayed.
Press the - button to enable (ON) or the - button
to
disable (OF) the Roger Beep.
Press the - button
to confirm and return to stand-by
mode.
VOX
SCAN
DCM
6
11
11
7
10
VOX
SCAN
DCM
6
11 7
10
12
10
VOX
SCAN
DCM
6
11 7
10