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Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
154
Cases not involving a machine defect
Is the power of the projector turned on?
Is the USB cable connected correctly?
Has PC INTERACTIVE mode been activated?
IWB
Has calibration been performed?
CALIBRATION
This may be due to poor contact of the battery.
Has the battery run out?
Is the projector positioned too close to the screen?
Has calibration been performed?
CALIBRATION
Are the projector and screen used at the following
places?
Is ambient light falling on the screen?
POWER
Troubleshooting
Reference
page
145
91
95
94
23
23
54
94
115
115
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