Specifications

4-30 Chapter 4: 7401-4xxx Hardware Installation
Ifcursorisnotstable,orfalsetouchesaresuspected,runtheNoise
CheckUtilityfromtheMicrocalprogram.Choosetherecommended
frequency(theonewiththelowestnoiselevel).Thisshouldalsobe
doneiftheTouchScreenisstillnotcalibratedafteroneattemptto
recalibrateit.
5.
SetthevideoresolutionbygoingtotheToolsmenu,Videoand
selecting800 x 600 256 colors.
6. GototheToolsmenu,selectNoise Check.
7. Followtheinstructionprompts.Choosethefrequencywiththe
lowestnoiselevel.
Applicationsoftwarecanpossiblygenerateadialogboxfromthe
TouchDriver,withthemessage
thatthetouchscreenneedstobe
recalibrated.Ifthescreenappearstobeworkingnormally,thenthis
messagecanbeignored.TherewillbeacheckboxlabeledDo not
show this message again.Makesurethisboxischecked.
Calibration from the BIOS
1. Applypowertotheterminal.
2. WhenthescreenpromptthatsaysTouchthescreentwotimestoenter
Setupappears,waitforthesecondprompttotouchthescreen,and
thentouchthescreenthreetimes.Thiscausesthesystemtobypass
theBIOSSetupandgodirectlyto
theTouchScreenCalibration
Setup.
3. Asinstructedonthescreen,touchthecirclenearthelower‐left
cornerofthescreen.Forbestresults,pressthescreennearthecircle
andthenslideyourfingerontothecirclewithoutraisingyour
fingerfromthescreen.
4. Usingthesame
methodasabove,touchthecircleneartheupper‐
rightcornerofthescreen.
YoushouldreceiveaSuccessfulCalibrationmessageandthenthe
PhoenixBIOSSetupUtilityshouldcomeup.