AUTO LEVEL CONTROL (ALC) OPERATION

id092000106800

• The audio unit changes the volume automatically based on the vehicle speed signal sent from the instrument cluster.

1
Higher vehicle speed
2
Lower vehicle speed
3
Audio unit (base unit)
4
Vehicle speed signal
5
ALC circuit
6
Power amplifier
7
Speaker
8
Higher volume
9
Normal volume

• The ALC function is divided into four modes, and can be used effectively to match the driving conditions.

Mode

Condition

ALC function cancel

Outside road noise low

Outside road noise rather high

Outside road noise high