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The cursor of the pen is
unstable when the pen is
used
Wrong writing method Use the pen rather than a nger
to write. Grasp the pen as far to
the nib as possible. The angle
between the pen and display
should be larger than 60
degrees. Do not let sleeve or
wrist touch the display
Strong light or infrared
interference
Remove the interference
source or change the using
environment
The handwriting is
discontinuous
Wrong writing method Use the pen rather than a nger
to write. Grasp the pen as far to
the nib as possible. The angle
between the pen and display
should be larger than 60
degrees. Do not let sleeve or
wrist touch the writing surface
The required covering area is
not reached when writing or the
nib is too small
Change the nib or use a pen
with a larger covering area
The infrared tube is blocked Check if infrared tubes are
blocked
Strong light or infrared
interference
Remove the interference
source or change the using
environment
FAQ & Troubleshooting
Failure
Possible cause Solution
Fail to connect to the service
program
The drive program is not
correctly installed.
Install the drive program
correctly
The USB interface (lead) is not
connected or is faulty
Change the USB lead or check if
the USB interface is faulty
The infrared tube is blocked Ensure that the surrounding
infrared tubes are not blocked
The panel needs re-positioning
every time it is switched on
The computer is equipped with
a recovery card
Disable computer protection
and perform
the calibration again
The calibration is
inaccurate
You didn’t perform the
positioning as instructed
Press Auto on the remote
controller to fully cover the
display with an image and use
the pen provided together
with the panel to perform
positioning again
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