Bosch LB20-PC40-4D Installation Manual page 12

12 en | Installation and wiring
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2017.08 | 01 | F.01U.345.357
Tighten the locking bolt with the Allen wrench (supplied).
Push the speaker bracket onto the wall bracket.
Slide the speaker bracket down to secure bracket to the wall bracket.
This secures the bracket and makes electrical connection.
Install the safety screw and screw cap.
Readjust the horizontal and vertical speaker position, if needed.
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