Correct connections for servicing EIA-232 models
Before you begin, ensure your connections are as follows:
v EIA-232 touch connects to COM 1
v EIA-232 MSR connects to COM 2
v PS/2 pigtail is attached to a keyboard
The
service software can correctly evaluate your 4820 display only with these
connections.
Touch screen controller information
The touch screen controller information window provides information about the type,
firmware version, and status of your touch screen. Locate the controller by selecting
the Hardware tab from the 3M TouchWare software.
To start the application, select
, then:
1. Use the tabs within the 3M TouchWare application for determining the status of
your touch display and to assist you with troubleshooting touch problems. You
must select EIA-232 or USB when installing the touch driver and application.
Update November 2005
70 4820 Planning, Installation and Service Guide
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