User guide

4
.
See the contrast
after
drawing the line
.
E
xcel:
Original
After Drawing Line
, the column has been enlarged
Windows Picture and Fax Viewe
r
:
Original
After Drawing Line
, the picture has been enlarged
Troubleshooting
If your mouse doesn’t work properly, follow the steps below :
1. Check battery and battery installation.
2. Unplug and re
-
plug the receiver
3. Test the device on anothe
r USB port or computer.
4. Some surface may “trick” the optical sensor, such as reflective surface like glass. The optical sensor should perform well on all
other surface.