2-36 Chapter 2: Hardware Installation
4.Verify that the calibration was set accurately before making a service call. Perform the calibration again if necessary.
•If cursor is not stable, or false touches are suspected, run the Noise Check Utility from the Touchware Control Panel (Windows) or from the Microcal (DOS) 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.
Microcal:
a.Set the video resolution. Go to the Tools menu, Video. Select
800 x 600 256 colors.
b.Go to the Tools menu, select Noise Check.
c.Follow the instruction prompts. Choose the frequency with the lowest noise level.
Touchware Control Panel:
a.Go to the Cursor tab and press Stabilize Cursor.
b.Choose the recommended frequency.
•The Edge Adjust should be turned off if using Windows.
Touchware Control Panel:
a. Go to the Cursor tab. Edge Adjustment should be turned off.
Application software can possibly generate a dialog box from the Touch Driver, with the message that the touch screen needs to be re- calibrated. If the screen appears to be working normally, then this message can be ignored. There is a check box labeled, Do not show this message again. Make sure this box is checked.
