Automatic Sound Levelizer (Asl); Tone And Balance; Surround Function - Lexus 2013 ES350 Owner's Manual

AUTOMATIC SOUND
LEVELIZER (ASL)
The system adjusts to the optimum vol-
ume and tone quality according to vehi-
cle speed to compensate for increased
vehicle noise.
1
Select "Automatic Sound Levelizer".
2
Select "On" or "Off".

SURROUND FUNCTION

This function can create a feeling of
presence.
1
Select "Surround".
2
Select "On" or "Off".
1. AUDIO/VIDEO SYSTEM OPERATION

TONE AND BALANCE

TONE
How good an audio program sounds is
largely determined by the mix of the tre-
ble, mid and bass levels. In fact, different
kinds of music and vocal programs usu-
ally sound better with different mixes of
treble, mid and bass.
BALANCE
A good balance of the left and right ste-
reo channels and of the front and rear
sound levels is also important.
Keep in mind that when listening to a ste-
reo recording or broadcast, changing
the right/left balance will increase the
volume of 1 group of sounds while de-
creasing the volume of another.
1
Select the "Sound" tab to display this
screen.
ES350/300h_Navi_OM33A07U_(U)
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