NEC WT615 사용자 설명서

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 

• 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.

For more information contact your dealer.