20
（
3
）
Normal Usage Image Mode:
after the calibration, all operations can be done by the finger instead
of the mouse.
（
4
）
Mouse:
click mouse, then you can only do single touche in Windows.
（
5
）
Touch Pad:
click touch pad, then you can do multi-touches in Windows.
（
6
）
Touch Pad Aspect Ratio:
The default mode is auto selected. When the deviation of touch pad
accuracy is more than 3cm, you can try following 3 aspect ratios (16:9
，
16:10
，
4:3) to rectify it.
（
7
）
Update Firmware:
Don’t use it in normal usage condition. When you meet the abnormal image in
camera mode, such as black screen, white screen, etc, please contact our technical person for guidance.
