User Manual

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11.9 Perform a Self-test
Self-tests include a screen test, keyboard test, and LED test.
Screen Test
1. Press the Utility button to enter the UTILITY menu.
2. Press the Next Page softkey twice to go to the third page of the UTILITY function menu.
3. Press the Do Self Test softkey to enter the SELFTEST menu.
4. Press the Screen Test softkey to enter the screen test interface.
5. Press the Single button on the front panel repeatedly to see green, blue, and red again. The
different colors can show stains and scratches on the screen.
6. Press the Run/Stop button to exit the screen test program.
Keyboard Test
The keyboard test is used to check that the keys and the knob switches are working correctly.
Do the following steps to perform a keyboard test:
1. Press the Utility button to enter the UTILITY menu.
2. Press the Next Page softkey twice to go to the third page of the UTILITY function menu.
3. Press the Do Self Test softkey to enter the self-test function menu.
4. Press the Keyboard Test softkey to enter the keyboard test interface, as shown in the
following picture:
Figure 100 - Screen test