See also:

Tone and balance control
Type A and B audio Type C audio Each brief press of the sound control dial changes the control modes in the following sequence. Choose the desired level for each mode by turning the sound control ...

ON
This is the normal operating position after the engine is started. ...

FM reception
Although FM is normally static free, reception can be affected by the surrounding area, atmospheric conditions, station strength and transmitter distance. Buildings or other obstructions may cause mom ...