Icom iDAS IC-F3103D Instruction Manual page 20

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PANEL DESCRIPTION
■ LED indicator (Continued)
SIREN
Hold down for 1 second to emit a siren sound.
This function can be used for situations other than an emergency
alert, such as a security alarm for example.
The transceiver emits the siren sound until the power is turned
OFF.
SCRAMBLER
➥ Hold down to turn ON the Voice Scrambler function while operat-
ing in the digital mode.
➥ Push to turn OFF the Voice Scrambler function.
ANNOUNCE
Push to turn the Channel Announce function ON or OFF.
• When this function is turned ON, the transceiver announces the posi-
tion of [ROTARY SELECTOR] between 1 and 16 when rotating [RO-
TARY SELECTOR] to a desired scale.
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