JVC KD-AR860 Manuel D'instructions page 32

Selecting the dimmer mode
You can dim the display at night or as you set
the timer.
1
Enter the PSM menu (see page 5).
2
Select "Dimmer."
3
Select a setting.
Auto:
Off:
On:
Time Set: Set the timer for dimmer.
32
Dims the display when you
turn on the headlights.
\ Go to step 6.
Cancels.
\ Go to step 6.
Always dims the display.
\ Go to step 6.
\ Go to step 4.
4
Enter the Time Set screen.
5
Adjust the dimmer time.
1
Set the dimmer start time.
2
Set the dimmer end time.
6
Finish the procedure.