See also:

FM/AM/SAT radio operation
FM·AM button: Press the FM·AM button to change the band as follows. AM → FM1 → FM2 → AM If another audio source is playing when the FM·AM button is pressed, the audio sourc ...

FM radio reception
Range: FM range is normally limited to 25 – 30 mi (40 – 48 km), with monaural (single channel) FM having slightly more range than stereo FM. External influences may sometimes interfere with ...

Zone variation change procedure
Zone map The difference between magnetic north and geographical north is known as variance. In some areas, this difference can sometimes be great enough to cause false compass readings. Foll ...