140
8. Appendix
Vertical stripes in RGB
mode
USB mouse does not
work
Electronic pen does
not work (WT615 only)
•Press the AUTO ADJUST button on the projector cabinet or the AUTO ADJ. button on the remote control. See
page 41.
•Adjust the computer image manually with the “Clock”/“Phase” in “Adjust” → “Image Options”. See page 95.
•Make sure that your USB mouse is properly connected to the projector.
The projector may not support some brands of a USB mouse.
•Check if you meet the requirements listed on page 13.
•Check if you have performed the pen calibration. When using the electronic pen for the first time, you need to
do so. See page 45.
•Make sure that you do not use the electronic pen in the following conditions. See page 18.
-Near a device such as a CRT monitor or a TV set.
- In a room with the ceiling and walls made of metal which is prone to reflect sound waves.
-In a noisy place or a place where loud sounds can be heard
-In direct sunlight or near an inverter fluorescent lamp.
- Near an air conditioner or air blower
•Make sure that you do not use two or more electronic pens at the same time in the same room. See page 18.
•Make sure that you do not use the electronic pens with two or more projectors at the same time in the same
room. See page 18.
•Check if you performed Pincushion correction, Cornerstone correction or Keystone correction. The electronic
pen will not work when you performed Cornerstone correction or Keystone correction. See page 18.
•Check if the battery has run down. If so, replace it with a new battery.
Problem Check These Items
For more information contact your dealer.