Sony SCA-S30 Mode D'emploi page 44

6
Attach that cover to the rear of the speaker.
A Fit the cover onto the speaker.
B Tighten the cover screws (3) to secure the cover.
Make sure that the cover is fitted onto the speaker snugly, without leaving any gaps.
7
Attach the safety wire rope.
A Run the safety wire rope through a wire rope hole on the speaker as shown.
Be sure to use one of the four wire rope holes to secure the speaker.
Example
18 Installation
GB
Example