ICOM IC-M504 User Manual

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■ Front panel

q DISTRESS KEY [DISTRESS]

Push for 5 sec. to transmit a Distress call. (p. 23)

w DSC MENU KEY [MENU]

Push to toggle the DSC menu appear or disappear. (p. 15)

e CLEAR KEY [CLR]

Push to cancel the entered function, exit Set mode. (p. 55)

r HAIL/RX SPEAKER KEY [HAIL•RX ]

➥ Push to turn the hailer mode ON or OFF. (p. 52)

➥ Push and hold for 1 sec. to turn the RX Speaker mode

ON or OFF. (p. 51)

➥ While pushing and holding [H/L], push to turn the auto

foghorn function ON. (p. 54)

t ATTENUATOR/INTERCOM KEY [LO/DX•IC•SCRM]

➥ Push to turn the Attenuator function ON or OFF. (p. 8)

• “L

LO

OC

C” appears when the Attenuator function is turned ON.

➥ Push and hold for 1 sec. to activate an optional Inter-

com function. (p. 50)

➥ Push and hold to call the optional command micro-

phone while in Intercom mode. (p. 50)

➥ While pushing and holding [H/L], push to turn the voice

scrambler function ON or OFF. (p. 11)

y CHANNEL 16/CALL CHANNEL KEY [16•9]

➥ Push to select Channel 16. (p. 6)

➥ Push and hold for 1 sec. to select Call channel. (p. 6)

• “C

CA

AL

LL

L” appears when Call channel is selected.

➥ Push and hold for 3 sec. to enter Call channel program-

ming condition when Call channel is selected. (p. 9)

➥ While pushing and holding [H/L], push to enter the

channel comment programming condition. (p. 10)

➥ Advance the cursor while in the channel comment pro-

gramming condition. (p. 10)

➥ While turning power ON, push to enter Set mode. 

(p. 55)

Function display (p. 4)

Speaker

q

e
r
t

y

w

u

i

o

!0

!1

!2

!3

Depends on version