Icom IC-F9011B Instruction Manual page 12

2
PANEL DESCRIPTION
D For All types
PRIO A AND PRIO B KEYS "PRA" "PRB"
Push to select Priority A or Priority B channel.
MR-CH 1, MR-CH 2, MR-CH 3 AND MR-CH 4 KEYS
"CH1" "CH2" "CH3" "CH4"
Push to select the memory channels 1, 2, 3 and 4 directly.
MONI KEY "MON"
Push to mute and release the CTCSS (DTCS), NAC or Talk-
group ID squelch mute. Open any squelch/deactivate any
mute while pushing and holding this key.
LOCK KEY "LOCK"
➥ Push and hold for 1 sec. to electronically lock all program-
mable keys except the following:
[PTT], [Moni], [Light], [Lock], [Emergency Single], [Emergency
Repeat], [Surveillance] and [OPT 1/2/3].
➥ Push and hold for 1 sec. again to turn the lock function
OFF.
LIGHT KEY "LIGT"
Push to turn the transceiver's backlight ON for about 5 sec.
when the backlight function is turned OFF in user set mode.
(p. 14)
7
(Common operation)
SURVEILLANCE KEY "SURV"
Push to turn the surveillance function ON and OFF.
When this function is turned ON, the beep is not emitted and
the LCD backlight does not light when a signal is received or
a key is pushed, etc.
HOME KEY "HOME"
Push to return to the stand-by mode.
• After editing some information that requires to be memorized, push
this key to save the editing contents in the memory before returning
to the stand-by mode.
OPT MOMENTARY KEYS "O1M" "O2M" "O3M"
Push to control the output signal level from the optional unit
connector.