Adjusting The Backlight Level; Using The Aquaquake Water Draining Function - Icom IC-M423GE Instruction Manual

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BASIC OPERATION

■ Adjusting the Backlight level

The function display and keys can be backlit for better visibil-
ity under low light conditions.
The backlight is adjustable in 7 levels and OFF.
The adjustment method, described below differs depending
on the presetting.
➥ Push [BKLT] to show the backlight adjustment screen. Ro-
tate Dial or push [∫]/[√]/[Ω]/[≈] to adjust the brightness of
the LCD and key backlight, and then, push [ENT].
• If no key operation is performed for about 5 seconds, the transceiver
sets the selected backlight level, and returns to the normal mode.
When the Backlight function is assigned to the [VOL/
SQL](Dial):
q Push [VOL/SQL](Dial) one or more times to display the
backlight adjustment screen.
w Rotate [VOL/SQL](Dial) to adjust the brightness of the
LCD and key backlight, and then, push [ENT].
The desired function can be assigned to Dial. See page 79
for details.
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■ Using the AquaQuake water
draining function
The AquaQuake water draining function clears water away
from the speaker grill. Without this function, water may muffle
the sound coming from the speaker. A buzzing sound is heard
when this function is activated.
➥ While holding down [AQUA], the AquaQuake function is
activated to clear water away from the speaker grill.
• While holding down [AQUA], a low buzzing sounds to drain wa-
ter, regardless of the volume level setting.
• The transceiver keys, except [DISTRESS], are disabled while
the AquaQuake function is activated.
When the AquaQuake function is activated.