NEC WT615 User Manual page 147

Problem
Vertical stripes in RGB • Press the AUTO ADJUST button on the projector cabinet or the AUTO ADJ. button on the remote control. See
mode
• Adjust the computer image manually with the "Clock"/"Phase" in "Adjust" → "Image Options". See page 95.
USB mouse does not • Make sure that your USB mouse is properly connected to the projector.
work
Electronic pen does • Check if you meet the requirements listed on page 13.
not work (WT615 only) • Check if you have performed the pen calibration. When using the electronic pen for the first time, you need to
• Make sure that you do not use the electronic pen in the following conditions. See page 18.
• 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
• Check if you performed Pincushion correction, Cornerstone correction or Keystone correction. The electronic
• Check if the battery has run down. If so, replace it with a new battery.
For more information contact your dealer.
Check These Items
page 41.
The projector may not support some brands of a USB mouse.
do so. See page 45.
- 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
room. See page 18.
pen will not work when you performed Cornerstone correction or Keystone correction. See page 18.
140
8. Appendix