NCR RealPOS 70 - Page 111

Chapter 4: Touch Screen Calibration – Windows (MT 5.64, SR4) 4-15
4. SelecttherecommendedfrequencyandthenselectApply.

5. Testthecursorstabilitybytouchingthescreeninseveralplaces.
Moveyourfingeraroundthescreen.Thecursorshouldholdsteady
andthecursormovementshouldbesmooth.Ifyoustillseeerratic
orjitterycursormovementthenchoosethenextbestfrequencyand
selectApplyagain.When
youaresatisfiedwithstabilizationselect
OK.
6. Performthe2‐PointCalibrationprocedure.
Ifyouarestillhavingcalibrationproblemsthenperformthe25‐Point
Linearizationprocedure(followtheflowchartbeginningat25‐Point
Linearization).