Professional
FM Transceiver
21
squelch circuit is not mute and at present you can hear the background noise. Press this key again,
transceiver emits "
DU DU
" beep, and the squelch circuit becomes mute. By using this function you
can monitor the weaker signal which is hard to receive.
ADVANCED OPERATIONS
Temporary Squelch off
Under standby conditions, press and hold
programmed key of Temporary Squelch off [
PF1
]/[
PF2
],
transceiver emits "
DU
" beep and the squelch circuit is not mute and at present you can hear the
background noise. Release this key, then the transceiver emits “DU DU” and the squelch circuit is
mute. By using this function you can monitor weak signal which is hard to receive.
Talk Around
Under the standby conditions, pressing the programmed key of Talk Around, transceiver emits "
DU
"
beep and then the current channel comes into Talk Around state. Under these conditions, transceiver
will transmit by receiving frequency. Also, the setting code (CTCSS / DCS) will interchange encoding
signal as decoding signal.
Press this key again, transceiver emits "
DU DU
" beep and exits the Talk Around state.
Note:Under the talk around state, the transceiver can not communicate with other transceivers through
repeaters.
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