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When first bit of Exa byte in frequency displays "
F
", it indicates
5Tone function enable.
Scan Skip
In Channel mode, press
then press
, decimal point displayed
between frequency's ten digit and unit digit, it means current channel is
scan skip. Repeat above operation to set scan or scan skip in current
channel.
Microphone Operation
This function can be temporarily used in channel mode. Once
the radio is turned off or switched to another channel, the
temporary setting will be erased and back to initial settings.
1.
decimal point displayed between frequency's ten digit and unit
digit, it means current channel is scanned skip.
2.
decimal point is not displayed between frequency's ten digit and
unit digit, it means current channel is scanned.
Frequency/Channel scan
In corresponding mode, press
then press
key to enter into
scanning.
In scanning mode, press
/
to change scan direction.
BCLO is to disable transmitting while RX signal is received. Once the
channel is busy and you press PTT, the radio will beep as warning and
get back to receiving.
1.
In standby, press
, then press
to enter into Busy
Channel Lockout.
2.
Press [
/
] to select the desired value.
BU:
Enable BCLO, Carrier lockout, transmitting is inhibited when
current channel receives a matching carrier; press [PTT] to
emit error voice prompt.
Busy Channel Lockout
1.
In standby, press
, then press
, LCD displays "
REV—ON
"
2.
Press [
/
] to select the desired value.
ON:
Enable Frequency Reverse
OFF:
Disable Frequency Reverse
3.
Press number keys to confirm and exit.
you must release PTT button to reset the timer.
RL:
Enable BTLO, transmitting is inhibited when current channel
receives a matching carrier but dis-matching CTCSS/DCS.
Press [PTT] to emit error voice prompt It can transmit in any
receiving status.
OFF:
Busy channel lockout is disabled.
3.
Press number keys to confirm and exit.
TX frequency turns to RX frequency & RX frequency changes to
TX frequency. The signaling will also be reversed if CTCSS/DCS
signaling exited in this channel.
The time-out timer limits the amount of transmitting time. When
you reach the time limit which has been programmed by your
dealer, your transmission will be cut off. In order to transmit again,
This function can be temporarily used in Channel mode. Once the
radio is turned off or switched to another channel, the temporary
setting will be erased and back to initial settings.
Reverse TX/RX
TOT (Time-out timer)
This function can be temporarily used in Channel mode. Once the
radio is turned off or switched to another channel, the temporary
setting will be erased and back to initial settings.
Summary of Contents for DB477C
Page 1: ...1 DB477C Version 3 ...
Page 39: ...39 Notes ...