Retevis RT56 Manuel D'instructions page 17

Serial
Name
No.
14 BEEP
15 ABR
WT-LED
16
VR-LED
17
UR-LED
18
PFK
19
FALL
20
SC-REV
21
FMDW
22
BCL
23
ROGER
24
TX.SEL
25
VOT 0.5S/1.0S/1.5S/2.0S/3.0S
26
Options
OFF/ON
OFF/ON
OFF/ORANGE/BLUE/
PURPLE
OFF/ORANGE/BLUE/
PURPLE
OFF/ORANGE/BLUE/
PURPLE
DTMF/CALL/TALARM/
1750/TFR/LALARM
OFF/LARM/TARM
SE/TO/CO
OFF/ON
OFF/ON
OFF/ON
BUSY/EDIT
Functions
Switch on/off prompt tone.
Switch on/off automatic backlight function,
OFF/ON/AUTO selectable, when AUTO
selected, backlight automatically lighted up
when keypad operated, and then
automatically off if no operation in 3
seconds.
Set backlight color, OFF/ORANGE/BLUE/
PURPLE selectable, when switch off(Menu
No.15), backlight will be on with setting
color.
Set V band receiving backlight color, OFF/
ORANGE/BLUE/PURPLE.
Set U band receiving backlight color, OFF/
ORANGE/BLUE/PURPLE
Set [PF] programmable key function at side.
DTMF-DTMF automatic dial; CALL-CALL
ring; TALARM-Remote emergency alarm;
1750-1750 dial; TFR-Talk around function
（Hold this key to achieve this function）;
LALARM-Local emergency alarm.
Set fell alarm function. OFF/LARM-Local
Alarm/TARM-Local and Remote Alarm.
Set scan mode, SE-Search scan/TO-Time
scan/CO-Carrier scan..
Set whether monitor transceiver signal in
FM Radio mode, when switch on, the unit
will return To transceiver channel when
signal received, then back to FM Radio
mode after no signal for 10 seconds.
Switch on/off busy channel lock, when
switchon, not allow to transmit when signal
exists.
Switch on/off roger beep tone, when switch
on, roger beep tone transmitted while
release [PTT], meanwhile we can hear
roger beep tone from loudspeaker.
Set main/auxiliary channel selected mode,
BUSY-busy channel/EDIT-manual selection.
When BUSY is set, channel which receives
signal will automatically switch to main
channel; When EDIT is set, only we can
manually choose main/auxiliary channel.
Set VOX transmit delay time
16