NCR RealPOS 72XRT POS User Manual page 88

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3. After all targets have been touched a test screen displays. Touch the screen in
4. After touching Accept you are warned to not touch the screen.
various locations to verify the calibration results. Select Accept if you are satisfied
with the results. If not, select Cancel and repeat the process.
Note:
Do not touch ESC to exit from this screen.
Caution:
Touching the screen during this time can cause the application to hang.
This screen automatically closes after the touch controller has completed
communicating. When complete, the system returns to the desktop with the
TSHARC Control Panel displayed.
Touch Screen Calibration