CONTREX CX-1200 - Manual (Page 303)

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HARDWARE TESTS / VIDEO P3/3
Use the Hardware Tests / Video (page 3) to test the screen display. Either enter a “1 ”in Video Test (CP-
492) and press the Enter key to start the test. You can also use the increment scroll-up key, to start the test.
The Display Diagnostic instructional screen will appear. Use the Page Up or Page Down keys to step
through each test.
Each screen uses a different display combination to test the display hardware. The Contrast Test will
automatically scroll through a range of contrast. Refrain from pressing a key during this test and allow the
Contrast Test to complete its cycle. To exit the tests, and return to the Hardware Tests Display screen
(page 3), press the Menu key.
Video Test
To start the Video Test, enter “1” in Video Test (CP-492). Then use the Page Up/Down keys to page through tests.
Press the Menu key to exit the tests and return to the previous screen.
Video Mode
Video Mode (CP-474) determines how the LCD Screen Display will be displayed, per the list below:
3 = Standard Video w/Border
2 = Reverse Video
1 = Standard Video (default)
Contrast Value
Contrast Value (CP-475) determines the contrast for the LCD Screen Display. The higher values darken the pixels and
lower values lighten the pixels.