User`s guide

TouchWare for Windows NT User's Guide90
Calibrating the Touchscreen Using Microcal
During the manufacturing process, MicroTouch calibrates every
touchscreen. Calibration defines the dimensions of the image area of
the screen, determines the edges of the screen’s image, and locates the
center of the touchscreen.
When to Calibrate the Touchscreen
You should calibrate the touchscreen in the following cases:
After you install the TouchWare driver
If the cursor does not follow the movement of your finger or pen
If you adjust the size of the video image
If you change the video mode
If the screen is improperly calibrated, the active area of the
touchscreen may not be aligned or may be unnecessarily small in size.
When you calibrate the touchscreen, the controller stores the touch
points in non-volatile memory. Therefore, you do not need to
calibrate the touchscreen each time you start your system.
Calibration Options
To calibrate the touchscreen, you can use the Calibrate option in the
Microcal utility or in the Touchscreen Control program. The Calibrate
option appears in both places for your convenience.
Calibrating for Finger Touch and Pen Touch
If you are using both your finger and a pen as touch devices, you must
calibrate the screen twice: once with your finger and once with the
pen. Open the Draw program and change to Pen Only or Finger Only,
and then calibrate with the appropriate device. The system stores both
sets of calibration data.