Icom IC-M412 [17/68] Function

BASIC OPERATION

New2001

n Microphone Lock function

The Microphone Lock function electrically locks the [Y] and

[Z] keys on the supplied microphone. This prevents acciden-

tal channel changes and function access.

➥

While holding down [HI/LO] on the microphone, turn ON

the power to toggle the Microphone Lock function ON or

OFF.

[HI/LO]

[Y]/[Z]

n Display backlight

The function display and keys can be backlit for better visibil-

ity under low light conditions.

You can also adjust the display backlight in the Set mode.

(p. 46)

➥

While holding down [SCAN], push [Y] or [Z] to adjust the

brightness of the LCD and key backlight.

 •Thebacklightisadjustablein4levelsandOFF.

n AquaQuake water draining

function

The transceiver uses a technology to clear water away from

the speaker grill: AquaQuake. AquaQuake helps drain water

away from the speaker housing (water that might otherwise

mufﬂe the sound coming from the speaker). The transceiver

makes a vibrating noise when this function is being used.

➥

While holding down both [Y] and [Z] on the transceiver,

turn ON the power to activate the AquaQuake function.

 •Whilecontinuingtopush[Y] and [Z], a low beep tone sounds

to drain water, regardless of the [VOL] control setting.

 •WhiletheAquaQuakefunctionisactivated,thetransceivernever

accepts any key operations.

 •Release[Y] and [Z] to cancel the AquaQuake function.