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Failure
The handwriting is
discontinuous.
Unable to write
Possible cause
Strong light or infrared
interference
Wrong writing method
The required covering area is
not reached when writing or
the nib is too small.
The infrared tube is blocked.
Strong light or infrared
interference
The color of strokes is same as
or similar to the background
color.
Hand or other objects are in
contact with the display when
writing.
Strong light or infrared
interference
Wrong writing method
Remove the interference source or change
operating environment.
Use the pen rather than a finger 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
Change the nib or use a pen with a larger
Check if infrared tubes are blocked.
Remove the interference source or change
the using environment.
Change the color of strokes.
Use the pen rather than a finger 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
Remove the interference source or change
the using environment.
Use the pen rather than a finger 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
63
Solution
surface.
covering area.
surface.
surface.
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