NCR RealPOS 70 - Page 115

Chapter 4: Touch Screen Calibration – Windows (MT 5.64, SR4) 4-19
16-Point Accuracy Test
4. Performthe16‐PointAccuracyTest.Toucheachofthetargetsto
checktheaccuracyofthecalibration.

Aseachtargetistouchedthevertical/horizontalErrorRangeis
displayed.Theacceptablemarginoferrorislessthan1.5%.

5. Performthe2‐PointCalibrationprocedure.
Ifthecalibrationisstillunsatisfactory,ortheerrorrange>1.5%,then
performtheRestoreDefaultsprocedure(followtheflowchartbeginning
atRestoreDefaults).