NCR 7454 Hardware User's Manual page 88

2-38 Chapter 2: Hardware Installation
3. Hold your finger firmly on the target for two seconds, then lift it off
quickly.
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
800 x 600 256 colors
b. Go to the
Tools
c. Follow the instruction prompts. Choose the frequency with the
lowest noise level.
Touchware Control Panel:
a. Go to the
Cursor
b. Choose the recommended frequency.
•
The Edge Adjust should be turned off if using Windows.
Touchware Control Panel:
a. Go to the
Cursor
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.
.
menu, select
Noise Check
tab and press
Stabilize Cursor
tab.
Edge Adjustment
menu, Video. Select
Tools
.
.
should be turned off.