www.infocus.com
Troubleshooting
40
Symptom
Possible Cause
Solution
Touch excursion
Caused by the computer’s
coordinate system, need to
do some correction
Enter the control panel to
select the correct processing
Invalid touch on the
external computer
1. The signal source is
inconsistent with the
corresponding interface of
the touch USB cable
2. The touch USB cable is too
long or of low quality
1. Check and change the
corresponding interface of
the touch USB cable
2. Use a shorter or better
quality touch USB cable
