Supra Vision Control Owner's Manual page 60

Audio Sources
Lights and Switches
2023-11-30
Like the Audio function within the PV1100, the PV450
allows the various sources to appear. Touch the Source
area and choose between AM/FM Radio, Bluetooth,
USB, NOAA and Aux.
Touch the to return to the Main screen.
Touch to mute the stereo.
Simply touch a light or switch to turn it (or All) on or off.
refers to the Heater.
refers to the Passenger Seat Heater.
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