User manual
User Manual Rev 1.0 33
event, so each time you want to do a right-mouse click you need to touch the top
right-hand corner of the mouse icon first.
8.4. Touch screen calibration
The touch screen must be calibrated before using it. The calibration process allows the
touch controller to know where your finger is relative to a location on the screen. There
are three levels of calibration: 4-point, 9-point and 25-point. Each level adds more
precision. In most cases, 4-point calibration is sufficient.
Note
If the calibration does not work, then press the Clear and Calibrate button on the
Tools tab, in the Touchkit Configuration Window, and repeat the process.
8.4.1. 4-point calibration
To calibrate the touch screen (this is written for Windows XP, and is similar for other
operating systems):
In the bottom-right-hand corner of the Windows screen there is a Touchkit icon
(Touchkit is the touch screen driver). Press and hold on this icon for a couple of
seconds. This brings up a menu.
Select 4 Points Calibration to go directly to the 4-point calibration function.
Select Calibration Utility to bring up the Touchkit Configuration Window. This
allows access to all the Touchkit touch screen configuration functions.
This can also be accessed via the Windows Start Menu, by:
Start -> All Programs -> Touchkit -> Configure Utility.
The 4-point calibration function resides under the Tools tab.
When the calibration utility starts, it fills up the entire screen with a white
background, and a circle (with cross-hair) in the bottom left hand corner.
The circle with cross-hair flashes (changes colour between red and green).
Press and hold at the center of this circle with cross-hair, until is stops blinking
and changes colour to blue.
A flashing circle with cross-hair now appears in the bottom-right-hand corner.
Again press and hold until it stops blinking, and changes colour to blue.
Repeat again for the top-right-hand corner and top-left-hand corner.
This completes the calibration process.
8.4.2. 9-point calibration
To do a 9-point calibration:
In the bottom-right-hand corner of the Windows screen there is a Touchkit icon
(Touchkit is the touch screen driver). Press and hold on this icon for a couple of
seconds. This brings up a menu.
Select Calibration Utility to bring up the Touchkit Configuration Window. This
allows access to all the Touchkit touch screen configuration functions.