Power switch and volume control

The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pushing the dial, and the volume is controlled by turning the dial.
See also:
AUTO button
FULL AUTO mode operation:
When the “AUTO” button is pressed, the
indicator light “FULL AUTO” on the display
illuminates. In this state, fan speed, airflow
distribution, air-inlet control, and ...
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MUTE button (if equipped)
Press this button if you wish to immediately cut the volume to zero.
The audio display will show “MUTE”. If you press the button again, the original
sound volume will return and “MUTE” turns off. ...
