3M Touch Systems Proprietary Information
22
ChassisTouch
TM
450 Monitor User’s Installation Guide
NFI touch screen
If you are experiencing problems with the touch screen, check the following list
of possible issues. For a list of NFI touch screen error messages and their
meanings, refer to the NFI software user’s guide that is appropriate for your host
computer’s operating system (see “Related documents” on page 2).
Touch screen
does not
respond to touch
!
Make sure that all cables are properly connected properly. Review
set up procedures (Chapter 2).
!
Power down the monitor, wait a few seconds, and then power up the
monitor again.
!
After installing the touch screen driver software, restart the host
computer to activate the driver.
!
Check the communication settings. Is the touch screen trying to use
the same COM port or IRQ as another device (for example, a
mouse)? If so, a hardware device conflict will result and the touch
screen will not work.
Cursor is not
located directly
underneath your
finger
!
Align the touch screen by following instructions that appear in the
NFI software user’s guide that is appropriate for the host computer’s
operating system (for available software user’s guides, see
“Related documents” on page 2).
Cursor is
extremely jittery
or erratic
!
Adjust the refresh rate using the host computer’s video driver and
then use the monitor’s OSD control buttons to auto adjust the
monitor’s display settings. For more information on video settings,
see “Controls for adjusting the video display” starting on page 15.