POLMAR DB-50M, User Manual

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◊ Busy Channel Lockout
With this function on, the transceiver will not transmit on a
busy channel, to avoid disturbing other transceiver using same
frequency. Once the channel is busy and you press PTT, the
transceiver will beep as warning and return to receiving.
1. Press
key to enter function menu.
2. Turn the Main band selector knob
to choose No 38 menu. The LCD
displays “REPLOCK”.
3. Press the Main band selector knob to enter function setup.
4. Switch the Main band selector knob to choose wanted value.
RLORP: Signaling busy lockout,
transmitting is inhibited
when current channel
receives a matching carrier
but dis-matching CTCSS/
DCS.
RLOBU: Channel busy lockout, transmitting is inhibited when
current channel receives a matching carrier;
OFF: Busy channel lockout is disabled. Transmitting is allowed in
any receiving status.
5. Press the Main band selector knob or key to store value
and back to function menu. Press
[SQL]
key or hold selector
knob for over 0.5 second to store setup and exit.
◊ TOT (Time-out timer)
The time-out timer limits the amount of continuous transmitting
time.
When the transmitting reaches the time limit which has been
programmed, the transmission will be cut off and emit warning
beep.
1. Press
key to enter function menu.
2. Turn the Main band selector knob to choose No 41 menu. The
LCD displays “TOT”
3. Press the Main band selector knob
to enter function setup.
4. Switch the Main band selector
knob to choose wanted value.
1-30 MIN, total 30 levels.
OFF: TOT is turn off.
5. Press the Main band selector knob
or key to store value and back
to function menu. Press
[SQL]
key
or hold selector knob for over 0.5 second to store setup and
exit.
30