Sony DSBK-1800 Série Manuel D'installation page 14

Installation
3
14
Align the attachment screw holes on the board with the
attachment screw holes of the unit.
Rear panel of unit
Attachment screw holes for
DSBK-1801/1601 (4 holes)
Example: Installing the DSBK-1803
Rear panel of unit
Attachment screw holes on the board
Attachment screw holes for
DSBK-1802/1602 (3 holes)
Attachment screw holes for
DSBK-1803 (3 holes)
DSBK-1803