Icom IC-F9011 Instruction Manual 1 - Page 12

2 PANEL DESCRIPTION D For All types (Common operation) 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/deactivate 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]. ➥ P ush 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) 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. 7