Hook up the safety buckle, and screw the two screws to fix the power box.

‹CAS-4000B ceiling mount kit

Fixed the iron tube to the cover of power box.

‹CAS-4000C corner mount kit

Combine two brackets, and use the spanner to fix the screw.

Turn the screw to tighten the brackets and power box.

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Digital Data Communications FCS-4300, FCS-4500, FCS-4400, FCS-4200, FCS-4100, FCS-4000 manual