Elo TouchSystems IntelliTouch Ultra Product Manual Download

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Hardwar

Hardware Troubles

e Troubleshooting

hooting

is being displayed continuously without a touch, try disconnecting the touchscreen

is being displayed continuously without a touch, try disconnecting the touchscreen
cable from the controller. If the data stops, the problem is with the touchscreen or

cable from the controller. If the data stops, the problem is with the touchscreen or
cable. If it continues, the problem is controller-related.

cable. If it continues, the problem is controller-related.

Verify that the controller board is properly seated in its slot. Try installing the

Verify that the controller board is properly seated in its slot. Try installing the
controller in another slot. If another controller is available, try it as well. Also try

controller in another slot. If another controller is available, try it as well. Also try

another computer.

another computer.
Look at the coordinates output by BUSSTAT. The coordinates should range from

Look at the coordinates output by BUSSTAT. The coordinates should range from
about 72-2472 for X and 56-1800 for Y on a 13-inch touchscreen. The coordinate

about 72-2472 for X and 56-1800 for Y on a 13-inch touchscreen. The coordinate
range for other touchscreens will vary with size. When the touchscreen is mounted

range for other touchscreens will vary with size. When the touchscreen is mounted
in its normal orientation, (cable exiting right-center), the origin will be in the

in its normal orientation, (cable exiting right-center), the origin will be in the
lower-left corner. If the touchscreen is installed with the cable exiting left-center,

lower-left corner. If the touchscreen is installed with the cable exiting left-center,
the origin will be in the upper-right corner. Both X and Y should increase steadily

the origin will be in the upper-right corner. Both X and Y should increase steadily
as you slide your finger from the origin to the diagonally opposite corner. Check

as you slide your finger from the origin to the diagonally opposite corner. Check
the other two corners to make sure their coordinates look correct and that the

the other two corners to make sure their coordinates look correct and that the
touchscreen appears linear in each axis. If the coordinates appear to be

touchscreen appears linear in each axis. If the coordinates appear to be
meaningless, try changing the Base I/O Port address of the controller. Another

meaningless, try changing the Base I/O Port address of the controller. Another
device may be contending for the same I/O address.

device may be contending for the same I/O address.

If BUSSTAT works properly, try the TOUCHES diagnostic utility, described on

If BUSSTAT works properly, try the TOUCHES diagnostic utility, described on
page 55. If TOUCHES does not display any data, the problem is probably that the

page 55. If TOUCHES does not display any data, the problem is probably that the
IRQ is incorrectly specified on the driver command line or there is an IRQ conflict

IRQ is incorrectly specified on the driver command line or there is an IRQ conflict
with another device. See

with another device. See

Choosing an Interrupt for PC-Bus Controllers

in the

DOS and W

DOS and Windows Dri

indows Driver Guide

ver Guide

ADB Controller

The E281-2303 controller is shipped ready for use. See Appendix B for controller

The E281-2303 controller is shipped ready for use. See Appendix B for controller
switch and jumper settings.

switch and jumper settings.