17When using the WV-Q105A (optional accessory)It is recommended that you provide an inspection opening or other such space for access purposes inthe area near where the equipment is installed in order to facilitate installation and the wiringconnections work.Before mounting the mount bracket, check that the installation location is strong enough to withstandthe total mass (approx. 4.7 kg (10.34 lb)) which will be exerted once the camera is mounted.Use the mount bracket where the space between the ceiling panel and the concrete ceiling is at least100 mm (3-15/16 inches) high. The bracket can be mounted where the thickness of the ceiling panelranges from 5 mm (3/16 inches) to 40 mm (1-9/16 inches).The drop-prevention wire (supplied with the WV-Q105A) must be used when mounting the direct ceilingmount bracket.1. Refer to the Operating Instructions of the WV-Q105A direct ceiling mount bracket, andattach the WV-Q105A as well as the drop-prevention wire angle and drop-prevention wiresupplied with the WV-Q105A to the anchor bolts.2. First, remove the screws which were loosely fastened in step 1, and then align the cameramount bracket of the AW-UE4 with the screw holes in the WV-Q105A direct ceiling mountbracket and mount it in place. Use the mounting screws (the M4-L60 Phillips head screws with adhesive) supplied with theWV-Q105A as the mounting screws.Mounting the anchor bolts and direct ceiling mount bracket ( )This job is facilitated if the direct ceiling mount bracket is loosely secured to the ceiling panel inone place, and the direct ceiling mount bracket and anchor bolts are vertically aligned before thenuts are tightened up.