Manual - Page 228

For SDS2202X-E.

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Do Self-Test
Self-tests include screen test, keyboard test, and LED test. Self-tests used to test the
screen, buttons, knobs and LED lights whether works well.
Screen Test
1. Press the Utility button on the front panel to enter the UTILITY function menu.
2. Press the Next Page softkey to go to the second page of the UTILITY function
menu.
3. Press the Next Page softkey to go to the third page of the UTILITY function
menu.
4. Press the Do Self Test softkey to enter the SELF TEST function menu.
5. Press the Screen Test softkey to enter the screen test interface, as the picture
shown below, the screen display is pure red.
Figure 120 Screen Test
6. Press the Single button on the front panel continually as it says in the picture
above. The screen displays green, blue and red again. It is easy to check
chromatic aberration, stains and scratches of the screen.
7. Press the Run/Stop button on the front panel to exit the screen test program.
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