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Icom IC-M423 User Manual

Icom IC-M423
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16
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BASIC OPERATION
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Adjusting the display
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.
Depending on the preprogramming, the adjustment method
differs, as described below.
Push [BKLT] to show the backlight adjustment screen. Ro-
tate Dial to adjust the brightness of the LCD and key back-
light, 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):
Push [VOL/SQL](Dial) one or more times to display the q
backlight adjustment screen.
Rotate [VOL/SQL](Dial) to adjust the brightness of the w
LCD and key backlight, and then, push [ENT].
The desired function can be assigned to Dial. See page 79
for details.
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.

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Icom IC-M423 Specifications

General IconGeneral
BrandIcom
ModelIC-M423
CategoryTransceiver
LanguageEnglish

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