Other Features; Audio Control Setting; Clock Display; Selectable Illumination - Kenwood KDC-4009 Instruction Manual

Other features (See page 10)
Audio Control Setting
Adjust various parameters of sound quality.
Source tone memory
a
Clock Display
Display the time.
Switching to Time Display: :
Keep pressing the CLK button until the clock is displayed.
Adjust the time.
Function of the KDC-4009
Selectable Hlumination