See also:

Mode selection
Turn the “TUNE/TRACK/CH” dial and select the HD Radio ON mode (hybrid mode) or OFF mode (analog mode). ...

Air filtration system
Replace the filter element according to the replacement schedule as follows. This schedule should be followed to maintain the filter’s dust collection ability. Under extremely dusty conditions ...

Airflow mode selection button
Select the desired airflow mode by pressing the airflow mode selection button. The selected airflow mode is shown on the display. There are four airflow modes that activate the following air outl ...