30
Symptoms
Presumable Causes
Solutions
Service program cannot be
connected
The drive is not correctly
installed
Install the drive correctly
The usb port (cable) is not
connected or working
Change a new usb cable to test
or check if the usb port is good
or not
The IR lights are blocked
Make sure there is no obstacles
blocking the IR light covers
The device requires
recalibration every time it
powers on
The computer is installed with
recovery protection card
Turn off the computer protec-
tion program and recalibrate
the service program
Incorrect calibration of service
program
Incorrect calibration
Full screen the image with
the auto button in the remote
control. Then calibrate with the
writing pen
There is a shake or leap of the
handwriting during writing
Incorrect writing
write with the writing screen
pen and hold the place of the
pen away from the pen tip as far
as possible. The angle between
the pen and the screen should
be larger than 60 degrees (the
sleeves or wrist should not be
closed to the screen).
Strong light source or IR source
interferences
Remote the interferences or
move to a place without inter-
ferences
There is a break of the
handwriting during writing
(part of the handwriting can be
shown normally)
Incorrect writing
Write with the writing screen
pen and hold the place of the
pen away from the pen tip as far
as possible. The angle between
the pen and the screen should
be larger than 60 degrees 9the
sleeves or wrist should not be
closed to the screen)
The covered place is not big
enough as required during
writing or the pen tip is too
tapering.
Change the pen tip or use a
writing pen with a bigger pen
tip
The IR lights are blocked
Check for obstacles, covering
the IR Light
Strong light source or IR source
interferences
Remove the interferences or
move to a place without inter-
ferences
Supporting Formats For USB Mode