Microsoft Windows NT 4.0 Guide Guide de l'utilisateur télécharger pdf (Page 37)

Chapter 2 Customizing Your Touchscreen Environment 37

The following buttons are common to most of the dialog boxes in the

Touchscreen Control program:

OK Accepts the currently displayed options and exits from

the dialog box.

Cancel Discards the changes made and exits from the dialog

box.

Apply Applies your changes. After using the Apply button, the

Cancel button will not reverse the changes already

applied.

In some cases, changes do not take effect until you restart

Windows NT.

Hardware Controls

Select Hardware Controls to define the serial communication (COM)

port, interrupt request (IRQ) channel, and baud rate for the

touchscreen driver.

The touchscreen is a serial input device. When you install the

touchscreen and touchscreen controller, you attach them to a serial

communication port (COM port). The touchscreen driver

communicates with the touchscreen controller (and the touchscreen)

via this COM port. Signals from the touchscreen are sent to the

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Microsoft Windows NT 4.0 Guide Guide de l'utilisateur Page 37