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Clarity Visual Systems
September 1999
24
10. Reinstall screens
Reinstall each display’s screen.
Mechanical Setup, Ultra-Thin Mullion or Blackscreen
CAUTION The displays with Ultra-Thin Mullion screens are not serviceable
from the front. Service should be performed through the rear
access cover. Instructions for BlackScreen are the same as for
Ultra-Thin Mullion screen.
You will need these tools:
• a large, flat blade screwdriver
• an SAT-500 Screen Alignment Tool (two of these tools makes installing
a video wall even easier.)
• black cloth tape
• a tape measure (inches or centimeters)
• 1/2” open-end wrench, a 1/2” deep-well socket, or an adjustable wrench
• 5/64” Allen hex wrench
The thin mullion display screens consist of two basic parts. There is the
screen itself and the frame it is held in, an assembly which is about 3” (7 cm)
thick. The screen attaches to the second
part, an adapter plate which is about 2”
(5 cm) thick. The adapter plate is
mounted on the front of the display unit.
During the alignment process, you
remove the screen from the adapter
plate, then adjust the adapter plate to
make its corners square and align
correctly with its neighbors. Then the
screen is re-installed and adjusted in or
out.
Installing a video wall with Ultra-Thin
Mullion Screens is a little more complex
than installing the wall with standard
mullion screens. Mechanical alignment is
more critical, and the larger the video wall,
the more precisely each unit must be
aligned to produce a good looking image.
The outcome of this alignment process is
partly dependent on how flat the floor is,
but it is mostly dependent on how tightly
the displays are fitted to each other.
Figure 4 Ultra-Thin Mullion Screen
Retaining screw
Finger hole
Adapter Plate
Thin Mullion Screen
Space