Icom IC-F9511S Instruction Manual page 10

1
PANEL DESCRIPTION
PRIO A/B KEYS
➥ Push to select Priority A or Priority B channel.
➥ Push and hold [Prio A (Rewrite)] or [Prio B (Rewrite)] for
1 sec. to assign the operating channel to the Priority A or
Priority B channel.
MR-CH 1/2/3/4 KEYS
Push to select the memory channel 1, 2, 3 or 4.
MONI KEY
➥ 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, af-
ter a specified time period.
➥ Depending on the pre-setting, pushing and holding this
key for 1 sec. cancels the scan.
TALK AROUND KEY (Conventional operation only)
Turn the talk around function ON or OFF.
• The talk around function equalizes the transmit frequency to the
receive frequency for transceiver-to-transceiver communication.
*Simple type only
5
PUBLIC ADDRESS KEY
Push to activate the Public Address (PA) function. When the
PA function is activated, the audio output can be controlled
from the transceiver separately with [CH Up] or [CH Down]
or rotate [CH Up/Down]*.
• This function is available when the external unit, such as an audio
amplifier, speaker, etc. is additionally connected. (p. 14)
• Push this key, then speak into the microphone while pushing and
holding [PTT].
RX SPEAKER KEY
Push to turn the RX speaker function ON or OFF.
When the RX speaker function is turned ON, the received
audio can be heard via the external speaker that is connect-
ed to the D-Sub 25-pin.
• This function is available when the external speaker is additionally
connected. (p. 14)
• This function is useful when you are out of the vehicle.
• The audio output level is linked to the transceiver's volume control.
LOCK KEY
Push and hold to electronically lock all programmable keys
except the following:
[Moni], [Light], [Lock], [Emergency], [Surveillance] and [OPT 1/2/3].
LIGHT KEY
Push to turn the transceiver's backlight ON for about 5 sec.
when the backlight function is turned OFF in user set mode.
(p. 12)