Hitachi CP-TW2503 User Manual page 144

Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
144
Cases not involving a machine defect
Is transmission between the pen and the projector
obstructed?
Is the camera lens dirty?
Other than those above
Is the power supply for the projector used at the
same time for other electrical products that require a
measurable amount of power?
Has the battery run out?
Is driver software U-Pointer set to "Finger Touch
Mode"?
Other than those above
Has the battery run out?
Is the tip of the pen worn out?
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