Calibrating Touch Screen
Frequencies emitted from some electrical equipment can cause interference with the display’s touch
screen. If issues are experienced with touchscreen performance try recalibrating the screen following
the below steps
1. On the Touch 7, go to the Settings > System > Screen Calibration page.
2. Press the ‘Calibrate’ button. The calibration process will take around 10 seconds.
3. When calibration has finished re-test the touch performance.
If the performance does not improve then it is recommended to run a cable from the shield position on
the Touch 7 power connector to chassis/ground.
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