I Function Display - Icom IC-M503 Insrtuction Manual

12
HM-134 REMOTE-CONTROL MICROPHONE
!1 EXTERNAL SPEAKER JACK
➥ Connect the external speaker (
speaker can be deactivated via the Set mode program-
ming. (p. 37)
• The speaker output employs a BTL (Balanced Trans-
Less) circuit, NEVER connect the speaker cable to
ground (or chassis). Use a floating setup.
CAUTION:
After connecting the external speaker jack,
cover the jack with water resistant tape as shown below to
avoid water seeping into the microphone.
Binding the mic-cable and external-speaker jack connec-
tion mold with water resistant tape increases the water-
proofing of the connection mold.
External SP jack
30
an 8 Ω load)
. The internal
Connection mold

I Function display

!7 !6 !5
WAIT TX BUSY
q
USA
INT
w
L
e
r
VOL
t
SQL
q CHANNEL GROUP INDICATOR (pgs. 6, 32)
Indicates whether an International (INT) or U.S.A. (USA)
channel is selected.
w KEY LOCK INDICATOR (p. 34)
➥ Appears while the key lock function is in use.
➥ Flashes while the all key lock function is in use.
e CHANNEL NUMBER READOUT
➥ Indicates the selected operating channel number. "A"
appears when a simplex channel is selected. (pgs. 6,
32)
!4 !3 !2 !1
TAG CALL LOW
DUP DUAL
!0
P SCAN TRI
o
i
SCRM
u
y