Kenwood KDC-6090R Instruction Manual page 40

Installation
Locking the faceplate to the unit
If you want to lock the faceplate to the unit so that it does not
fall off, follow the directions below.
1
Refer to the function "Theft deterrent faceplate" (page 10) and
remove the faceplate.
2
Insert the provided screw into the hole at the centre of the
bottom side of the faceplate which you have removed from
the unit.
Accessory4
3
Push back the bottom of the faceplate bracket unit it locks.
4
Refer to the section "Theft deterrent faceplate (page 10)" and
then reattaching the faceplate.
2CAUTION
Never insert the taptite screws (ø2 ´ 4 mm) in any other screw
holes than the one specified. If you insert it in another hole, it
will contract and may cause damage to the mechanical parts
inside the unit.
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