Jiggly Pen Jumping Around Drawing Screen

If crosshairs jumping around on the drawing screen, check If the following scenario is present:

Client has a wireless stylus, SL VI digitizer and is connected to his computer via USB cable

If a client is experiencing jigglyness in their crosshairs when in the drawing screen, or even when The EDGE is closed and the board is working as a mouse emulator, that it could one of the following problems:

1. Interference from an electronic device
2. Interference from a metallic object
3. Having the wireless stylus on the board when the computer starts up may cause the computer to recognize the stylus as a serial device.