SE-1200 Series Electrocardiograph Service Manual Inspection and Troubleshooting
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2. Display Test
On the System Test screen, press Tab or Shift + Tab, or the Up, Down, Left or Right arrow to
move the cursor to the Display item, and then press Enter to display the Display window (Figure
5-3). Press the Up or Down arrow to select Pixel Verification Test or Gray Scale Test Patterns.
Figure 5-3 Display Window
Select Pixel Verification Test and press Enter, and then the Pixel Verification Test screen
(Figure 5-4) appears.
Figure 5-4 Pixel Verification Test Screen
Press the Left or Right arrow to move the color bars across the screen, and you can inspect
whether the LCD screen is intact and displays well.
Press F1 to display a full screen, and then press F1 to shift the color of the full screen among
white, green, red and blue.
Press the Esc key to exit the Pixel Verification Test screen.
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