![Icom F9011B 21 Скачать руководство пользователя страница 16](http://html1.mh-extra.com/html/icom/f9011b-21/f9011b-21_instruction-manual_611937016.webp)
2
PANEL DESCRIPTION
11
HIGH/LOW SWITCH
Selects the transmit output power temporarily.
• Ask your dealer for the output power level for each selection.
SURVEILLANCE SWITCH
Turns the surveillance function ON or 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.
COMPANDER SWITCH
Turns the compander function ON and OFF.
The compander function reduces noise components from
the transmitted audio to provide clear communication.
OPT MOMENTARY SWITCHES
Controls the output signal level from the optional unit con-
nector.