Perlesmith PSTVS15 Instructions D'installation page 8

Step 4 Attaching TV to the TV Plate and Managing the Wires
TV brackets are two-height-adjustable.
You can choose the proper height.
(G) Safety Lock
"Be gentle"
G
Insert the safety lock in the bottom of
the bracket and then tighten the screws.
The second
The first
choice
choice
6