Icom IC-F9011S Instruction Manual page 14

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PANEL DESCRIPTION
TALK AROUND KEY "TA" (Conventional operation only)
Push to turn the talk around function ON and OFF.
• The talk around function equalizes the transmit frequency to the
receive frequency for transceiver-to-transceiver communication.
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)
HIGH/LOW KEY "H/L"
Push to select the transmit output power temporarily or per-
manently, depending on the pre-setting.
• Ask your dealer for the output power level for each selection.
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.
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COMPANDER KEY "COMP"
Push to toggle the compander function ON and OFF.
The compander function reduces noise components from
the transmitted audio to provide clear communication.
USER SET MODE KEY "SET"
➥ Push and hold for 1 sec. to enter user set mode.
• During in the user set mode, push this key to select an item that
is enabled by your dealer, and change the value or condition by
pushing [CH Up] or [CH Down].
➥ Push and hold this key for 1 sec. again to exit user set
mode.
User set mode is also available via the 'Power ON function.'
Refer to page 14 also.
OPT OUT KEYS "OP1" "OP2" "OP3"
Push to control the output signal level from the optional unit
connector.
OPT MOMENTARY KEYS "O1M" "O2M" "O3M"
Push to control the output signal level from the optional unit
connector.
CLOCK KEY "CLCK"
Push to indicate the current time on the LCD. (p. 15)
• While the current time is indicated, push and hold this key for
1 sec. to enter the time data edit mode.