I3 3303WI User Manual - page 22
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9. The USB port of your computer maybe not working. Please contact your IT
staff.
Q4 What to do when there is only single touch point?
A:
1. Re-plug USB cable from PC.
2. Go to “Control Panel” and make sure “Tablet PC Components” is selected.
Q5 When should Calibration and Touch Area Setting be done?
A: Please perform Calibration and Touch Area setting during first installation. If
projector or whiteboard is moved, Touch Area Setting and Calibration should be
performed again.
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When Laptop/PC resolution is changed, calibrate again.
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For better accuracy, please do Manual Calibration.
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If an overlarge offset is observed, please perform Manual Calibration and see
Step 8 Calibration for troubleshooting.
Q6 What to do when Auto Calibration and Auto Touch Area Setting both failed?
A:
1. Check “Ceiling Mount” OSD setting first. The interactive function supports