Icom IC-M24

■ Lock function
This function electronically locks all keys (except for [PTT], [VOL/
SQL], [MONI] (VOL/SQL), [
] (Hi/Lo) and [Y] or [Z]*) to pre-
vent accidental changing of the channel and function access.
* Only in the volume or squelch adjustment mode, and volume loud
and Volume Mute functions.
➥ Hold down [ ] (Hi/Lo) for 1 second to turn the Lock
function ON and OFF.
■ Monitor function
The Monitor function opens the squelch. The monitor key ac-
tion can be selected in the Set mode. (p. 19)
➥ The Monitor function is activated by holding down
[MONI]
(VOL/SQL)
.
• “ ” blinks and the squelch opens.
■ Automatic backlighting
This function lights the function display and keys, and is con-
venient for night-time operation. The automatic backlighting
can be activated in the Set mode. (p. 20)
➥ Push any key except for [PTT] to turn ON the backlight.
• The backlight is automatically turned OFF after 5 seconds of
inactivity.
■ AquaQuake Water Draining function
The AquaQuake Water Draining function removes water
from the speaker grill. Without this function, water may muffl e
the sound coming from the speaker. The transceiver makes
a vibrating sound when this function is activated.
➥ Hold down both [SCAN] and [Hi/Lo].
• A low vibration tone sounds for 9 seconds to drain water, re-
gardless of the volume level setting.
• The transceiver does not accept key operations while the
AquaQuake Water Draining function is activated.
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BASIC OPERATION
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Appears while the Lock function is activated.
Hold down
for 1 second
Blinks while the monitor function is activated.
Hold down