11
10
STANDARD
STANDARD
4
3
Make sure the points on the frame pieces line up. Then finger tighten 2 of the set screws
to lock in the corners.
6
5
A = B
A
B
18
20
LED
Measure the diagonals to check if frame is square. If one diagonal is longer then push
on the corners at that diagonal. Tighten all set screws once the diagonals are equal to
within 1/8’’.
NOTE: If using AT or Maestro material then check to make
sure the channel nuts are installed in the inner channel
before proceeding.