Panel Description; I Panel Description - Icom IC-M421 Instruction Manual

Vhf marine transceiver
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PANEL DESCRIPTION

I Panel description

q POWER/VOLUME CONTROL [VOL] (p. 8)
➥ Rotate to turn the transceiver power ON or OFF.
➥ Rotate to adjust the audio level.
w SQUELCH CONTROL [SQL] (p. 8)
Rotate to set the squelch threshold level.
2
i
Speaker
u
y
Function
o
!0
q
display (p. 4)
t
r
e
w
e DISTRESS KEY [DISTRESS] (p. 22)
Transmits a distress call when pushed for 5 sec.
r ENTER KEY [ENT]
Sets the DSC menu, a channel comment, etc. when
pushed.
t CLEAR KEY [CLR]
Cancels the entered function and exits the condition when
pushed.

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