Chapter 6: Touch Screen Calibration – DOS 6-3
2-Point Calibration
1. SelecttheToolsmenu(Alt T).
2. HighlightCalibrate 2 pointandpressEnter.
3. EnterYestocontinue.
4. Touchthescreennearthecalibrationtarget.
5. Keepyourfingeronthescreenandslideittothecenterofthe
target.Holdyourfingerfirmlyonthe
targetfortwoseconds,then
liftitoff.
6. Testthecalibrationbymovingyourfingeraroundonthescreen
andverifyingthatthecursorfollowsyourfinger.Itisalso
suggestedthatyouTouchall4Cornersandverifythatthecursor
movesdeeplyintothecorners.
7. Verifythat
thecalibrationwassetaccuratelybeforemakinga
servicecall.Performthecalibrationagainifnecessary.
Noise Check
Ifthecursorisnotstable,orfalsetouchesaresuspected,runtheNoise
CheckfromtheMicrocalprogram.Choosetherecommendedfrequency
(theonewiththelowestnoiselevel).Thisshouldalsobedoneifthe
TouchScreenisstillnotcalibratedafteroneattempttorecalibrateit.
1. Set
thevideoresolution.FromtheToolsmenu,select800 x 600
256 colors(fora12”display)or1024x768(fora15”display).
2. FromtheToolsmenu,selectNoise Check.
3. EnterYestocontinue.Donottouchthescreenduringthetest.Press
thespacebartostartthetest.
4.
Followtheinstructionprompts.Choosethefrequencywiththe
lowestnoiselevel.
5. Performthe2‐PointCalibrationprocedure.
IfyouexperienceerraticbehaviorwiththeMicrocalUtility,then
performaResetfunctionfromtheToolsmenu.