Samsung 570DXN - Manual (Page 23)

There are two hinges(left and right). Use the correct one.
Before drilling into the wall, check if the length
between the two locking holes at the back of the
product is correct.
If the length is too short or long, loosen all or
some of the 4screws on the wall bracket to adjust
the length.
A. Length between the two locking holes
Check the installation diagram and mark the drill
points on the wall. Use the 5.0 mm bit to drill
holes deeper than 35 mm. Fix each anchor in the
corresponding hole.
Match each of the brackets and hinge holes to
the corresponding anchor holes and insert and
tighten the 11 screws A.