User's Manual

Professional
FM Transceiver
46
Voice Operated Transmission (VOX)
(An optional earphone-microphone is necessary)
An optional earphone-microphone is necessary.
After enabling this function, you can directly start transmitting by voice instead of
pressing
[PTT]
key.
1.Press and hold
【
PF2
】
key while turning on the radio, and keep pressing
【
PF2
】
key for 3 seconds to enter into the Set Mode operations.
2.Press
【
B
】
/
【
C
】
key to choose the Menu 3 and display “
”.
3.Press
【
A
】
key then press
【
B
】
key or
【
C
】
key to choose the parameter
Available parameters are 3 levels of VOX sensitivity in 1, 2 or 3. 1 is most
sensitive, 3 is less sensitive that requires more voice level to activate VOX.
OFF:
VOX transmitting is disabled. Default is OFF.
Time-Out-Timer(TOT)
This function stops the transmission automatically when the continuous
transmission time exceeds the set time and alerts it with a beep.
1.Press and hold
【
PF2
】
key while turning on the radio, and keep pressing
【
PF2
】
key for 3 seconds to enter into the Set Mode operations.
2.Press
【
B
】
/
【
C
】
key to choose the Menu 2 and display “
”.
3.Press
【
A
】
key then press
【
B
】
key or
【
C
】
key to choose the parameter, that
is from 15 to 240 seconds (4 minutes) in 15 seconds step.
OFF:
TOT is OFF and default is 180s.
SET MODE OPERATIONS
NOTE: VOX is not usable in noisy areas as it may start transmitting by the back noise.