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Troubleshooting
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General Information 93
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Diagnostic Utilities 103
G
ENERAL
I
NFORMATION
Should you experience operational difficulties with the touchscreen system either
during or after installation, this appendix should help you determine the source of
the problem.
The first step in troubleshooting a touchscreen system is to determine whether the
problem is due to the hardware, driver software, or application software.
Display Problems
If you are experiencing a display problem, (such as no video, horizontal and
vertical synchronization, raster non-linearities, etc.), realize that the video function
of the display and the Elo touchscreen installed on the display are entirely separate
systems. Therefore, problems with the display should be treated as display
problems, not touchscreen problems. Diagnostic procedures and possible
corrections for display problems should be performed using the troubleshooting
procedures outlined in your display manual.
The touchscreen is powered from its controller. Usually the display and
touchscreen controller have separate power supplies and operate independently.
Thus it is possible for the touchscreen to interact with the computer even if the
