3M Touch Systems Proprietary Information
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3M Dynapro ET 3170 Terminal User’s Installation Guide
Figure 19: Touch Panel Integrity Test screen
3. Press the touch key positions along one row and one column in the touch cell
matrix to quickly check the touch panel for opens, shorts, or decoding errors.
This method quickly verifies all rows and columns are operational.
4. To do a comprehensive touch panel test, touch each touch key to verify its
operation.
5. To stop the test, press the Setup key on the keyboard or touch the Setup
switch. This returns the terminal to the Test screen.
Display Geometry Test
This test is not necessary for the operation of the touch screen.
The Display Geometry Test enables you to check the linearity and geometry of the
display. To begin the test, touch the GEOMETRY touch key on the Test screen,
or press Shift/2 on the keyboard.
The Display Geometry Test provides a pattern so you can see how straight the
lines and how square the corners of the display are. In a well-aligned display, lines
are straight and uniform within the area provided for them on the display.
The test remains active until the Setup key on the keyboard is pressed or the Setup
switch is touched. This returns the terminal to the Test screen.
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