Speaker Microphone - Icom IC-M604A Instruction Manual

Vhf marine transceiver
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2
PANEL DESCRIPTION

■ Speaker microphone

q
w
q PTT SWITCH [PTT]
Hold down to transmit; release to receive. (p. 9)
w CHANNEL UP/DOWN KEYS [Y]/[Z]
➥ Push either key to change the operating channels, Set
mode settings, etc. (pp. 7–9, 47)
➥ Checks TAG channels, changes scanning direction or
manually resumes a scan. (p. 15)
e TRANSMIT POWER KEY [HI/LO]
➥ Push to toggle the power high and low. (p. 9)
• Some channels are set to only low power.
➥ While holding down [HI/LO], turn ON the transceiver's
power to turn the Microphone lock function ON or OFF.
(p. 10)
6
Microphone
Speaker
e

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