Perlesmith PSLFK3 Instructions Manual page 10

Adjustments
C
TO ADJUST TV LEVEL, loosen the two screws [S1] on the
rear of the arm plate, adjust level, and retighten to secure.
P9
To adjust the tilt in both sides, loosen both tilt nuts and move panel to
desired position. Tighten both tilt nuts to hold desired tilt.
TIGHTEN
！
LOOSEN
C
！
TIGHTEN
[S1]