Icom IC-4A Instruction Manual page 32

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І
РгоЫет
L
Possible Cause Solution
4. No or low RF output.
(Continued)
The antenna feed line is cut or
shorted. (When usingan external
antenna.)
Check the antenna feed line and
correct any problems.
. No modulation.
(When using external
microphone.)
Bad connection of the MIC
connector.
The MIC cable is cut.
Check the connection of the
MIC connector and correct any
problems.
Repair the disconnected or cut
wire.
. The receive mode fun-
ctions properly and
your signals are trans-
mitted, but you are
unable to make con-
tact with another
station. (When desir-
ing DUPLEX mode.)
(When desiring, SIMP-
LEX mode.)
The DUPLEX/SIMPLEX Switch
is in the SIMP position.
Improper linput/Output fre-
quency of the repeater.
The DUPLEX/SIMPLEX Switch
is in the DUP position.
Set the DUPLEX/SIMPLEX
Switch in the DUP position, and
the DUPLEX MODE switch in
+5 or —5 position according to
repeater input/output frequen-
cies.
Set the DUPLEX/SIMPLEX
| Switch in the SIMP position.