Yamaha R-N402 Manual De Instrucciones página 56

Troubleshooting
■ AM reception (R-N402)
Problem
The desired station
cannot be tuned in
automatically.
There are continuous
crackling and hissing
noises.
There are buzzing and
whining noises.
"No presets" is
displayed.
■ DAB reception (R-N402D)
Problem
Cannot tune into any
DAB stations.
The initial scan
operations are not
successful and "Not
Found" appears on
the front panel
display.
The DAB station
reception is weak.
There is noise
interference (e.g.
hiss, crackle, or jitter).
The DAB station
information does not
appear or is
inaccurate.
54
En
Cause
The signal is weak or the antenna
connections are loose.
The noises may result from lightning,
fluorescent lamps, motors, thermostats or
other electrical equipment.
A TV set is being used nearby.
No preset stations are registered.
Cause
The initial scan operations were not
performed.
There is no DAB coverage in your area.
The DAB signals are too weak.
The DAB signals are too weak.
There is no DAB coverage in your area.
The DAB signals are too weak.
The antenna needs to be repositioned.
The DAB signals are too weak.
The DAB station may be temporarily out
of service, or the DAB station information
is not provided by the DAB broadcaster.
Remedy
Tighten the AM antenna connections and orient it for
the best reception.
Try tuning manually.
Try using an outdoor antenna and a earth ground.
This will help somewhat, but it is difficult to
eliminate all noise.
Move this unit away from the TV set.
Register stations you want to listen to as preset
stations before operation.
Remedy
Perform the initial scan operations.
Check with your dealer or WorldDMB Online at
"http://www.worlddab.org" for a listing of the DAB
coverage in your area.
Change the height, direction, or placement of the
antenna.
Check with your dealer or WorldDMB Online at
"http://www.worlddab.org" for a listing of the DAB
coverage in your area.
Change the height, direction, or placement of the
antenna.
Contact the DAB broadcaster.
See
page
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22, 26
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22, 26
See
page
30
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12
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12
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