NCR 7454 - Summary

Chapter 2: Hardware Installation 2-39
Summary
Ifthereisatouchscreencalibration issueduringorafterinstallation,
takethefollowingactionsintheorderlisted:
1. Recalibrate.
2. Ifre‐calibrationisunsuccessfulaftertwoattempts,thenrunthe
Noisechecktochangethefrequency.
3. Ifyouarestillnotabletocalibrate,changethe
touchscreenglass.
4. ThefinalstepistoreplacetheProcessorBoard.Ifthiscorrectsthe
problem,thentheoldglassisprobablyOKtoreuse.