Epson EB-725Wi, User Manual, Page: 326 / 357

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• If you are using a Mac with your projector, make sure that you installed the Easy Interactive Tools
software, and that you have downloaded and installed the latest Easy Interactive Driver from the
Epson support site.
• Adjust the angle on the Touch Unit. See your projector's online Installation Guide for details.
• Make sure there are no obstacles (such as cables) between the Touch Unit's laser diffusion ports and
the projection surface. If there are any obstacles that are difficult to move, attach the infrared
deflectors to the projection surface. See your projector's online
Installation Guide for details.
• Remove any decorative lights from around the projector or projection surface.
• If you are having difficulty double-clicking on a Mac, go to the System Preferences menu, select
Mouse , Trackpad , or Mouse & Trackpad , and reduce the Double-click speed .
• Make sure there is no interference from infrared remote controls, mice, or infrared microphones.
• Make sure you have performed pen calibration and finger touch calibration. Try recalibrating.
• Keep your clothing or parts of your body more than 0.4 inches (1 cm) away from the projection
surface.
• If there are people within 4 inches (10 cm) in front of or around the projection screen or there are any
obstacles causing interference, touch operations may not work properly.
• If touch operation does not work correctly even after calibration, check the Calibration Range setting
in the Pen/Touch menu. Select Wide if you drag items when touching the screen or Narrow if mouse
operations do not work smoothly.
Parent topic: Solving Interactive Problems
Solutions When You Cannot Operate a Computer from the Projected Screen
If you are unable to access a computer from the projected screen, try the following solutions:
• Make sure the USB Display setting in the Signal I/O menu is set to On .
• Make sure you perform pen calibration when using the interactive pen for the first time so that the
projector recognizes the position of the pen correctly.
• Make sure PC Interactivity is turned on in the projector's interactive toolbar.
• Make sure the USB cable is securely connected. Disconnect the USB cable, and then reconnect it.
Parent topic: Solving Interactive Problems