Drill screw holes on the wall according to the position of the screw holes on the mounting
box, and then put the expansion tubes in the screw holes.
Fix the mounting box on the wall with the ST4.2×25 screws.
Connect the ports on the rear panel to those in the wall. See the details in "2.4
Connecting Cable."
Fix the VTO in the mounting box with the M4×30 screws.
Put sealant between the mounting box and the wall.