150 Solving Problems
■ Make sure the USB cable is securely connected to the projector
and computer. Try disconnecting and reconnecting the cable to
your computer.
■ Make sure there is no interference from infrared remote controls
or infrared microphones.
■ Make sure the location is free from electromagnetic interference
from nearby equipment (such as electric motors or transformers).
■ If the tablet function does not work, you may have other tablet
device drivers on your system. Uninstall the Easy Interactive
Virtual Tablet Driver using the Windows Control Panel.
The pen is hard to use.
For easier operation, hold the pen at an angle to the projection
surface.
The pen position is not accurate.
■ If you use the E-Zoom + button on the remote control to enlarge
the image, the pen position will not be accurate. When you return
to the original size, the pen position should be correct.
■ You may need to recalibrate (see page 47).
■ Make sure the cable cover is in place to keep cables from blocking
the signal.
You’re having trouble calibrating.
■ If the flashing circles don’t appear, make sure the VGA cable and
USB cable are securely connected to the computer. Try restarting
the Easy Interactive Driver, as described on page 149.
■ If the circles don’t stop flashing and turn black (or they stop
flashing and turn black automatically), dim or turn off any bright
lights near the projection surface.
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