User`s guide

Chapter 2 Customizing Your Touchscreen Environment 63
The Touchdown Filter values range from 0 (low) to 14 (high). The
default value is 0. If Touchdown Filter is set to 0, the touchscreen
driver recognizes the first set of X, Y touch coordinates. If the value
is 14, the touchscreen driver ignores the first 14 sets of touch
coordinates.
Changes to this setting only take effect when you restart Windows NT.
Setting the Double-Click Height and Width
The Double-click Height and Width options specify the area of the
screen (vertical and horizontal) within which you must touch for
Windows NT to recognize the two touches as a double-click.
The Double-click Height and Width options belong to the
Windows NT mouse control panel registry, but are duplicated here for
convenience. Changes to these options override the setting in the
Windows NT mouse control registry. Similarly, changes to the
double-click height or width settings in the Windows NT mouse
control registry override the settings in the Touchscreen Control
program.
Double-click Height and Width values range from 0 pixels (low) to
500 pixels (high). The default values for the double-click screen area
are 48 pixels high and 64 pixels wide.
Note:
Although you can set the double-click height and width to very
low values, you will not be able to generate a double-click on the
touchscreen at the lowest values.
Changes to these settings only take effect when you restart
Windows NT.