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3 It may be necessary to cut ribs and struts inside the bezel. Cutting these ribs
and struts does not usually cause difficulties, although the stiffness of the
bezel may be reduced slightly. Try not to cut into the posts for the CRT
attachment screws. Bezel and tube combinations that require this cut are rare.
Generally, a total clearance between the edge of the touchscreen and any ribs
or struts of at least 0.25-inch (6 mm) in both axes is necessary. This prevents
the interference fit problem discussed above, and allows for variation in
touchscreen mounting position.
4 The potential interference between the degaussing coil and the touchscreen
must also be evaluated. The coil will usually fit between the touchscreen and
the inside surface of the bezel, as there is typically a natural cavity for it. If
there is not enough space for the coil, you may have to provide additional
setback for the CRT. It may also be possible to relocate the coil to the bell
side of the CRT. Normally, this does not significantly reduce the coil’s
effectiveness. However, you must determine this by inspecting the display
for color problems after reassembly.
5 Check for adequate clearance of the transducers and the cable from the bezel
structure. If the position of the cable causes difficulty, the touchscreen may
be rotated 180° (only if the touchscreen is sealed and using Elo drivers).
6 The preferred orientation of the IntelliTouch touchscreen is with the cable
exiting from the right side, when viewed from the front of the monitor.
Rotation will cause an inversion of the output coordinates, which will be
compensated for automatically by Elo driver software, but perhaps not by
other drivers. (Flat touchscreens should have the reflector strips on the side
facing the user.)