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Function display
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)
i
CHANNEL 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.
INT
CALL
BUSY
25W
TAG
SC
DUP
CALLING
w
q
e
r
t y
i
o
u
PANEL DESCRIPTION
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