Alinco DR-638 - Microphone Function Keys

30
REV: In standby, press the key programmed
as
"
REV
"
function to turn-on or turn off
Frequency Revrse function.
CALL: CALL channel switch, in standby press
the key programmed as
"
CALL
"
function to switch between CALL
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,
you can hear very weak signal, 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 use to wake sleeping repeater.
CALL OUT: Calling, in standby, press the key programmed as
"
CALL
OUT
"
function to transmit pre-
programmed DTMF, 2TONE,
5TONE 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 check Scrambler
function. The optional scrambler groups
(from 9 xed groups and 2 self dened
groups).
TONE DEC: Add Optional Signaling, in standby
press the key programmed
as
"
TONE DEC
"
function to choose
DTMF(DT), 2TONE(2T), 5TONE(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
and narrow band.
TALK: In standby status, press programmed
Talk key to enable and disable Talk
around function.
OFF: No function.
Microphone Operation
7