Supra Vision Control Owner's Manual page 47

Device Manager / Glove Box Display Lockout
Audio Settings
2023-11-30
When disabled, limited settings may be changed from the
PV450 unit. When enabled, the PV450 unit will not allow
changes to be made.
Adjust Equalizer will display the following screen:
Tuner Region provides the geographical location from which your
radio signal will originate.
Auto Volume Intensity automatically adjusts the volume for wind
and/or engine noise according to the number chosen.
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Adjust the Bass, Mid and Treble settings to
your liking.
Touch to save or
changes.
to discard the
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