Rockwell Automation 2707-L40X_L8X_V40X DTAM Plus Operator Interface Module Installation Instructions - Manual (Page 99)

Chapter 7
Troubleshooting and Maintenance
7–11
Use the Display Control test to test the brightness and contrast settings of the
display.
1. Use the [NEXT] or [PREV] keys until Display Control appears on the test
selection screen.
DTAM Plus Diagnostic
NEXT to Select Test
ENTER To Initiate
Display Control
2. Press [ ] to initiate the test.
The DTAM Plus flashes the following message in each of the 4 contrast
and display settings:
********************************
Display Brightness
Test
********************************
When done, the screen displays the next test selection.
DTAM Plus Diagnostic
NEXT to Select Test
ENTER To Initiate
RAM Test
3. To terminate the test function , press the [NEXT] and [PREV] keys to
display Reset DUT in the test selection area. Press [ ] to reset the
DTAM Plus.
Display Control Test