Note
Initial test failures mostly occur due to external influences.
Check the conductive ground connection of the user. Use a wrist
-
wrap or simply
grab the protective earth pin of the system and repeat the test.
If the test passes now, an external radiation source with a frequency of
approximately 270 kHz is present in the environment, causing the touch screen
to detect misaligned touches.
Remove the external radiation source or operate the system in another area
away from the radiation source.
If you cannot remove the radiation source or operate the system in a different
area, using the touch screen will be very difficult. The system will detect
misaligned touches and respond with unexpected reactions.
Figure E.32:
Touch screen calibration
-
Failure dialog (step 2 optional)
A
Next step
B
Exit program
C
Redo verification
The failure dialog has a red caption. A red line indicates that the movement
was detected during the test.
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