
9465/9465KPM System Manual
3-20
Using a Touchscreen
The Xycom touchscreen, based on resistive membrane technology, consists of two layers
with transparent, conductive coatings on the facing sides. Finger or stylus pressure
causes the outer layer to make electrical contact with the inner layer. Xycom’s touch-
screen complies with environmental specifications and maintains a NEMA 4 seal when
panel mounted. It remains operational even after 30 million touches.
The touchscreen interface module circuit impresses a voltage across the conductive
coatings. When the touchscreen is pressed, the circuit converts from analog to x and y
digital coordinate positions and then passes the x and y codes to the installed touchscreen
driver. The touchscreen Monitor Mouse driver emulates a Microsoft mouse.
Note
Refer to the touchscreen manuals (included in the Documentation kit)
for complete driver installation details.
Note
If touchscreen is factory installed along with MS-DOS or Windows 3.x,
the touchscreen is set up on the AUX port, making this port unavailable.
If the Windows 95 or Windows NT operating system is factory installed,
then touchscreen is set up on COM2, making this port unavailable.
If you want to reconfigure the touchscreen to use the COM2 port, perform the following
steps:
1.
Disconnect the power.
2.
Remove the lid.
3.
Remove the touchscreen controller card (see Figure 3-18).
Figure 3-18. Touchscreen controller card.
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Содержание 9465 PC/AT
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