User`s guide

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Using MonitorMouse for OS/2
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Touchscreen Control Panel
17
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Tips on Using the Touchscreen in Presentation Manager
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Tips on Public Access Kiosk Applications
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Programming Options
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T
OUCHSCREEN
C
ONTROL
P
ANEL
The MonitorMouse for OS/2 Touchscreen Control Panel (see Figure 2-1, page 15)
is detailed in the following sections.
Calibration
Select Calibrate to initiate the calibration sequence. Follow the on-screen
instructions. You will be given the opportunity to confirm the calibration points.
The need for calibration is unique to the touchscreen. Unlike mouse or keyboard
applications where the cursor is part of the image, a touchscreen is a physical
overlay with an independent coordinate system. Only by knowing the position of
the image can the driver software convert touchscreen coordinates into image
coordinates.
Besides the differences in touchscreens and controllers, calibration also
compensates for variations in the video image among displays. Calibration is also