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), 2-tone,
NAC or Talkgroup ID squelch mute. Open any squelch/de-
activate any mute while pushing and holding this key.
• Depending on the pre-setting, the 'Audible' (unmute) condition
may automatically return to the 'Inaudible' (mute) condition, after
a specified time period.
➥ Depending on the pre-setting, pushing and holding this
key for 1 sec. cancels the scan.
LOCK KEY "LOCK"
➥ Push and hold for 1 sec. to electronically lock all program-
mable keys except the following:
[PTT], [Moni], [Light], [Lock], [Emergency], [Surveillance] and
[OPT 1/2/3].
➥ Push and hold for 1 sec. again to turn the 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)
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.