Icom IC-M503 instruction manual Function display

2 PANEL DESCRIPTION

■Function display

	o	i
q	BUSY	INT
w	25W	CALL	u
e	TAG SC	DUP
r	CALLING

t y

q BUSY/TRANSMIT INDICATOR (p. 8)

➥“BUSY” appears when receiving a signal or when the squelch opens.

➥“TX” appears while transmitting.

w POWER INDICATOR (p. 8)

➥“25W” appears when high power is selected.

➥“1W” appears when low power is selected.

e TAG CHANNEL INDICATOR (p. 13) Appears when a tag channel is selected.

r CHANNEL NAME INDICATOR

➥Channel comment appears if programmed. (p. 9)

➥“Low Battery” appears when the battery voltage drops

to approx. 10 V DC or below.

➥“DUAL” appears during dualwatch; “TRI” appears dur- ing tri-watch. (p. 11)

➥“WAIT” appears in the IC-M503 display while transmit- ting via the HM-134 remote-control microphone.

•In the above case, the connected HM-134 has priority.

➥“LSTN” appears in the IC-M503 display when pushing the PTT switch on the HM-134, while the intercom func- tion is activated.

t SCRAMBLER INDICATOR (p. 10)

Appears when the optional voice scrambler is activated.

y DUPLEX INDICATOR

Appears when a duplex channel is selected.

u CHANNEL NUMBER READOUT

➥Indicates the selected operating channel number. “A” appears when a simplex channel is selected. (p. 6)

➥In set mode, indicates the selected condition. (pgs. 15,16)

iCHANNEL GROUP INDICATOR (p. 6)

Indicates whether an International, U.S.A., Holland, DSC or ATIS channel is selected.

• Available channel groups depend on version.

o CALL CHANNEL INDICATOR (pgs. 6, 9)

Appears when a call channel is selected.

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