Samsung IAB Series Install Manual page 144

Product reassembly method – 5) Sub screen seam control 110"
□ Seam control between sub screens (Y)
Insert a 3 mm hexagonal wrench into the screw
Counterclockwise rotation: Screen downward movement
Clockwise rotation: Screen upward movement
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After removing BEZEL, you can
adjust the height difference, tilt
between SUB SCREENs with SUB
SCREEN top SCREW.
Ladders are required in some cases
when adjusting the top
LED R&D Lab(VD)