NCR 7454, User Manual, Page: 90 / 244

2-36 Chapter 2: Hardware Installation
•
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
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.