Icom IF50V Instruction Manual page 16

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PANEL DESCRIPTION
MONITOR KEY
¯ Mute and release the CTCSS (DTCS) or 2-tone squelch mute.
Open any squelch/deactivate any mute while pushing and hold-
ing this key. (LMR operation only)
¯ Activates one of (or two of) the following functions on each chan-
nel independently: (PMR operation only)
• Push and hold to un-mute the channel (audio is emitted; 'Audible'
condition).
• Push to mute the channel (sets to 'Inaudible' only).
• Push after the communication is finished to send a 'reset code'.
(BIIS operation only)
NOTE: The un-mute condition ('Audible' condition) may auto-
matically return to the mute condition ('Inaudible' condition)
after a specified period.
LIGHT KEY
Push to turn the backlight ON for about 5 sec. even if the backlight
function is turned OFF in user set mode.
LONE WORKER KEY
Push to turn the Lone Worker function ON or OFF.
• If the Lone Worker function is activated, the Emergency function is au-
tomatically turned ON after the specified time period has passed with
no operation is performed.
HIGH/LOW KEY
Push to select the transmit output power temporarily or perma-
nently, depending on the pre-setting.
• Ask your dealer for the output power level for each selection.
C.TONE CHANNEL ENTER KEY
Push to enter the continuous tone channel selection mode, and push
[CH Up]/[CH Down] to change the tone frequency/code setting. The
selected channel remains set as the continuous tone channel until
another channel is designated as such.
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