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Clarity Visual Systems
September 1999
28
units in the row above at this time.)
F. With the Alignment Tool still in place, check
display #2 for squareness by measuring the
diagonals. Loosen the Locking Screws on #2 that
are on the other side from the Alignment Tool,
and adjust adapter plate #2 until it is square-
cornered rectangle.
G. When you are satisfied that display #2 is aligned
to display #1 and it has perfectly square corners,
remove the Alignment Tool. (If you have two
Alignment Tools, leave this first one in place, and
put the second on the other side.)
H. Go to the display on the other side of the center
display (#3) and align it to the center display,
following the steps 4.C through 4.G.
5. Align the adapter plates on the
units above the Base Unit,
working upward.
A. Start with the display above the Base Unit. Align
display #4 to display #1. Put the Alignment Tools
on either side of the Base Unit, #1. The upper
guide pin should now fit the bottom Alignment
Hole of #4. Loosen the bottom Locking Screw in
#4 and make it fit. Do the same on the other side,
moving the Alignment Tool, if you have only one.
B. Measure the diagonals of #4. Loosen the top two
Locking Screws and make its corners square,
then tighten the screws.
C. Continue with display #5, working your way up the
video wall to the top.
D. When you have completed the inverted-T, use
these as a frame and align the other units to it,
working from the lower rows upward. For each
display, you should be sure it is the correct
distance vertically and horizontally from all its
neighbors and that each unit’s diagonals are
equal.
6. Hang the screens on the
bottom row and adjust them in
or out so their front surfaces
are flat with each other.
A. Hang the screens on the bottom row. Be sure the
finger holes are on the top of each screen. When
each screen is seated, pull on it slightly to make
sure it is secure at both the top and bottom.
B. Notice the seams. Are the two screens flush at
each seam? If not, note how much you will have
to adjust one of the screens to make it flat and
flush with its neighbor. Measure this amount, but
be careful not to scratch the screens. Also, sight
along the row from the end. Look down the groove
on the top of the screens. This helps to prevent
where the corners match,
but the screens are not flat. Make a diagram of
the video wall and note how far to move each
corner of each unit in or out. Try to get the wall flat
within 1/32” inch (0.8 mm)
C. Remove the screens again.
D. Working from your notes, adjust the pointed
Alignment Bolts with the ½-inch wrench. Looking
at the display from the front, each complete turn
of the bolt CW
(
clockwise
)
p
ulls the corner of the