and open the Patrol Point.
3. Drill four holes in proper places in the wall, the diameter of which should be consistent with that of the
green rubber stopper. The place and size of the hole are shown as the following figure. Then lay the four
green rubber stoppers, with the face parallel to the wall, shown as the following figure.
62.20
99.30
59.60
3. Fasten the four
O-
ring screws (PTS3.3X20) to fix the chassis onto the wall. Then stuff rubber stopper
into the screw holes to ensure waterproof performance, shown as the following figure.