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n Troubleshooting
The following chart is designed to help you correct
problems that are not equipment malfunctions.
PROBLEM
Power does not come
• DC power cable is improperly connected.
on when [POWER] is
pushed.
• Fuse is blown.
No sound comes from
• Volume level is too low.
the speaker.
• The squelch is closed.
• The audio mute function is activated.
• A selective call or squelch function is acti-
vated such as 5-tone call or tone squelch.
• The front speaker is set to OFF.
Sensitivity is low and
• Antenna feedline or the antenna connec-
only strong signals
tor has a poor contact or is short-circuited.
are audible.
Received audio is un-
• Optional voice scrambler is turned OFF.
clear or distorted.
• Scrambler code is not set correctly.
Output power is too
• Output power is set to Low.
low.
• Power amplifier protection circuit is acti-
vated.
No contact possible
• The other station is using tone squelch.
with another station.
• The operation mode is set to the Full-du-
plex mode. (Base station operation)
POSSIBLE CAUSE
MAINTENANCE
If you are unable to locate the cause of a problem
or solve it through the use of this chart, contact your
nearest Icom Dealer or Service Center.
SOLUTION
• Re-connect the DC power cable correctly.
• Find the cause and repair it, then replace the
fuse with a rated one.
• Rotate [VOLUME] clockwise to obtain a suit-
able listening level.
• While in the base operating mode, rotate
[SELECT] to counterclockwise to open the
squelch. (When the [SQL Level Up/Down] key
function is assigned to [SELECT].)
• Push [MONI] (if assigned) to turn the audio
mute function OFF.
• Turn OFF the appropriate function.
• Turn ON the front speaker using the optional
CS-FR5000
cloning software
dealer for details.
• Check and reconnect (or replace if neces-
sary), the antenna feedline or antenna con-
nector.
• Turn ON the optional voice scrambler.
• Reset the scrambler code.
• Push [HIGH/LOW] (if assigned) to select
High power.
• Cool down the repeater or stop accessing the
repeater until it has cooled down.
• Turn the tone squelch function ON.
• Set the operation mode to the Simplex mode,
if the other station is in the Simplex mode.
4
REF.
pp.
5, 6
p. 8
p. 7
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p. 7
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. Ask your
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p. 5
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