Location Of Controls - Sony CDX-7520 Operating Instructions Manual

Location of Controls
The illumination on the front panel is tactory-set to be tumed on
even when not playing the unit. However, this setting may cause
the car battery to run down when the unit is used in the car
which has no accessory position. To avoid this when using the
unit in such a car, set the selector located on the bottom to
OFF, then press the reset button. You can make the illumination
tumed off when not playing the unit.
«lal
Change the position with a ball-
point pen or similar objects.