37
8
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes ON.
• The RS-232C cable is not connected
correctly.
• The RS-232C port is not selected correctly.
• Check the RS-232C cable.
• Select the RS-232C port correctly.
p. 1
p. 5
No sound comes from the
speaker.
• Volume level is too low.
• The squelch is closed.
• Band scope function is in use.
• Different tone is selected with tone squelch.
• Click the [VOLUME] control with the sub mouse button
or click the volume [
J
] button to obtain a suitable level.
• Click the [SQUELCH] control with the main mouse
button or click the [SQL
K
] button to open the squelch.
• Pause or cancel the band scope function.
• Check the tone squelch frequency.
p. 16
p. 20
p. 34
p. 36
Receive audio is
distorted.
• The operating mode is not selected correctly.
• The IF filter is not selected correctly.
• Select a suitable operating mode with [FM], [WFM],
[AM] or [AUT-M].
• Select a suitable IF filter with [NAR] or [WID].
pgs.
18, 19
p. 20
Sensitivity is low.
• The attenuator is activated.
• Click the [ATT] button to cancel the function.
p. 21
If your receiver seems to be malfunctioning, please check the
following points before sending it to a service center.