Elo TouchSystems Elo IntelliTouch Anleitung zur Fehlerbehebung PDF herunterladen (Seite 29)

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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.)

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Elo TouchSystems Elo IntelliTouch Anleitung zur Fehlerbehebung Seite 29