48
En
Troubleshooting
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AM reception (R-N303)
■
DAB reception (R-N303D)
Problem
Possible cause
Remedy
See
page
The AM radio
reception strength is
poor, and noise can
be heard.
The unit is picking up noise from sources
such as a fluorescent light or a motor.
In some environments, it may be difficult to
completely eliminate noise. However, using a
commercially-available outdoor antenna may help to
reduce noise.
The radio station
cannot be
automatically
selected.
The AM radio signal is weak.
Change the direction of the AM antenna.
Select the station manually.
Use a commercially-available outdoor antenna.
Connect the supplied AM antenna to the
ANTENNA(AM) jack.
AM radio stations
cannot be registered
(preset).
The stations may have been registered
automatically (Auto Preset).
Auto presets can be used with FM radio stations only.
AM radio stations must be manually registered.
Problem
Possible cause
Remedy
See
page
Cannot tune into any
DAB stations.
The initial scan operations were not
performed.
Perform the initial scan operations.
There is no DAB coverage in your area.
Check with your dealer or WorldDMB Online at
“http://www.worlddab.org” for a listing of the DAB
coverage in your area.
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The DAB signals are too weak.
Change the height, direction, or placement of the
antenna.
The initial scan
operations are not
successful and “Not
Found” appears on
the front panel
display.
The DAB signals are too weak.
There is no DAB coverage in your area.
Check with your dealer or WorldDMB Online at
“http://www.worlddab.org” for a listing of the DAB
coverage in your area.
—
The DAB station
reception is weak.
The DAB signals are too weak.
Change the height, direction, or placement of the
antenna.
There is noise
interference (e.g.
hiss, crackle, or jitter).
The antenna needs to be repositioned.
The DAB signals are too weak.
The DAB station
information does not
appear or is
inaccurate.
The DAB station may be temporarily out
of service, or the DAB station information
is not provided by the DAB broadcaster.
Contact the DAB broadcaster.
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