Epson BrightLink 425Wi user manual download (Page 175 of 238)

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Page 175 of 238
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Dim the room lights and turn off any fluorescent lights. Make sure the projection surface and
interactive module are not in direct sunlight or other sources of bright lighting.
°
Make sure the receiver window on the interactive module is clean and free from dust.
°
Make sure there is no interference from infrared devices such as infrared remote controls, infrared
microphones, and infrared mice.
°
Make sure the location is free from electromagnetic interference from nearby equipment (such as
electric motors or transformers).
°
Make sure you have calibrated the system. Try recalibrating.
Note:
You cannot use both pens at the same time.
Parent topic:
Solving Interactive Pen Problems
Related tasks
Replacing the Pen Batteries
Installing Easy Interactive Driver
Checking the Connection Status of the Interactive Module
Calibrating the Projector
Using the Pens
Solutions When Calibration is Difficult
If you are having trouble calibrating, try the following solutions:
°
Try restarting the Easy Interactive Driver.
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If the flashing circles don’t appear when you try to calibrate, make sure the USB cable from the
interactive module is securely connected to the computer.
°
If the circles don't stop flashing and don't turn black (or they stop flashing and turn black
automatically), dim or turn off any bright lights near the projection surface.
Parent topic:
Solving Interactive Pen Problems
Related tasks
Connecting to the Interactive Module
Checking the Connection Status of the Interactive Module
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Sample