User Manual

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5. Press each key and knob. If the color of the associated screen box changes to blue, then the
button is working. Press the key again to verify it can change back to a gray color.
6. Turn the knobs left and right. The number inside the knob should change and the direction
annunciators should change to a blue color.
7. Press the Run/Stop button three times to exit the keyboard test program.
LED Test
The LED test is used to test that the lighted buttons work.
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 (it will appear the same
as the picture immediately above).
5. Press the Single button repeatedly to light up the different buttons. The associated button
on the screen image will also turn blue.
6. Press the Run/Stop button to exit the LED test program.
11.9 Screen Saver
When no controls on the oscilloscope are used for a period of time, the scope will enter the idle
state. You can choose to have the screen turn off (it will turn black) after a period of idle time if
the screen saver is enabled.
Do the following to set the screen saver time:
1. Press the Utility button to enter the UTILITY menu.
Figure 100 - Keyboard Test