Toyota HILUX Owner's Manual page 246

Automatic sound leveliser (ASL) (type A)
Select "DSP" tab.
1
Select "High", "Middle", "Low"
2
or "Off".
Automatic sound leveliser (ASL) (type B)
Select "DSP" tab.
1
Select "Automatic sound leveliser".
2
Select "On" or "Off".
3
Surround (type B)
Select "DSP" tab.
1
Select "Surround leveliser".
2
Select "On" or "Off".
3
■
The sound quality level is adjusted individually
The treble, mid and bass levels can be adjusted for each audio mode sepa-
rately.
■
About Automatic Sound Leveliser (ASL)
ASL automatically adjusts the volume and tone quality according to the vehi-
cle speed.
5-5. Using the audio system
245
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