GE MAC 1600, Руководство по обслуживанию

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Troubleshooting
Testing the Display
Use the Display Test to determine if the display pixels are working properly.
1. Open the DIAGNOSTIC TESTS window as described in “Accessing the System
Diagnostics Function” on page 33 .
2. Select Display Test .
The Start Test window opens.
3. Select Start Test .
The following window opens.
4. Press the right arrow on the Trimpad repeatedly to move the color bars
horizontally across the screen.
5. Verify that the color band pattern (red, green, blue, white) scrolls across the
screen.
Pass the test if the pattern is replicated without discoloration.
6. Press F1 to switch to horizontal color bars.
7. Press the down arrow on the Trimpad repeatedly.
8. Verify that the color band pattern (red, green, blue, white) scrolls down the
screen.
Pass the test if the pattern is replicated without discoloration.
9. Press F1 to cycle through the solid color pane (red, green, blue, white).
For each pane, check for black pixels.
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