Controlling The Volume Automatically - JVC KD-SX939/SX930 Instruction Manual

Controlling the volume automatically

This function is ONLY FOR KD-SX939.
This unit change the volume level automatically (at 3 possible levels) based on the driving
speed of your car by detecting the alternator's generating frequency (Audio Cruise).
If you want to use this function, follow the procedures below. (When shipped from the factory,
this mode is set to "OFF.")
1
CRUISE
• CRUISE 1: Select this if your car is relatively quiet.
• CRUISE 2: Select this if your car is relatively loud.
The volume increase rate is twice as much as that of the CRUISE 1 setting.
• OFF: Cancels Audio Cruise.
When this function is turned on (the CRUISE indicator lights up on the display), the proper
volume level is automatically selected among the 3 possible levels according to the driving
speed, and the selected level is shown on the display.
CRUISE
20
Select the proper cruise mode for your car.
• Each time you press the button, the Audio Cruise mode
changes as follows.
When the driving speed increases.
CRUISE
When the driving speed decreases.
1
CRUISE