JVC KW-AVX840 Instructions Manual page 14

When an FM stereo broadcast is hard to
receive...
Activate monaural mode for better reception.
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2
On Activate monaural mode to improve FM
reception, but stereo effect will be lost.
The MO indicator lights up.
Off Restore the stereo effect.
To tune in FM stations only with strong
signals—LO/DX (Local/Distance-extreme)
1
2
Local Select this to tune in only to stations
with sufficient signal strength. The LO
indicator lights up.
DX Deactivate the function. The DX
indicator lights up.
When the FM reception is interfered...
1
2
Auto Increases the tuner selectivity to reduce
interference noises between adjacent
stations. (Stereo effect may be lost.)
Wide Subject to the interference from
adjacent stations, but sound quality
will not be degraded and the stereo
effect will remain.
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