32
DB-750X
8
Microphone Operation
[ UP/DOWN ] key to adjust channel.
REV: In standby, press the key programmed
as "REV" function to turn-on or turn off Frequency Reverse function.
HOME: HOME channel switch. In standby,
press the key programmed as "HOME"
function to switch between home channel and current channel.
MAIN: Main band switch. In standby, press
the key programmed as "MAIN" function to
choose left band or right band as main band.
VFO/MR: Working mode switch. In standby,
press the key programmed as "VFO/MR"
function to switch between channel mode and frequency mode.
SCAN: Scan function. In standby, press the
key programmed as "SCAN" function to start
channel scan or frequency scan.
SQL OFF: Turn off squelch. In standby,
press the key programmed as "SQL OFF"
function to turn off squelch to hear very weak signals. Repeat the above
function to turn on squelch.
TBST: Transmit tone burst. In standby,
press the key programmed as "TBST" function
to transmit selected tone burst. This function is used to access some
repeaters.
CALL OUT: Calling. In standby, press the
key programmed as "CALL OUT" function to
transmit pre-programmed DTMF, 2-Tone, or 5-Tone code.
COMP: Compander function. In standby,
press the key programmed as "COMP" to turn
on or turn off compander function.
SCR: Scrambler function. In standby, press
the key programmed as "SCR" function to turn
on or turn off scrambler function. Choose optional scrambler groups (from
nine xed groups and two self dened groups).
TONE DEC: Add optional signaling. In
standby press the key programmed as"TONE
DEC" function to choose DTMF(DT), 2-Tone (2T), 5-Tone (5T), or OFF.
W/N: Wide or narrow band setup. In
standby, press the key programmed as
"W/N" function to choose wide band, middle band and narrow band.
TALK: Transceiver transmits on repeater
output. Press the key programmed as "TALK"
to turn on or turn off talk-around function.
OFF: No function.