
Chapter 5: Troubleshooting
Primary Trouble Isolation
90
Figure 5-4
LED Test Screen
3 Repeatedly push the Single button on the front panel to step through and highlight each LED
symbol in the test screen. You can also step through the LEDs by clicking on the << Prev or Next
>> buttons on the display screen. Verify that the corresponding LEDs on the front panel are the
only ones illuminated. Additionally, pressing the Multipurpose button on the front panel will
illuminate all the LEDs while pressing the Clear Display button on the front panel will turn off
all the LEDs.
4 When you are finished, click Close.
5 If any of the LEDS do not work, go to “To check the LEDs” later in this chapter.
6 If both tests pass, go to step E.
E
Self Calibration
1 Complete a self calibration by following the procedures in chapter 4.
2 If the calibration test fails, replace the acquisition board.
F
The system is operational. Performance test the oscilloscope using the procedures in chapter
4 of this service manual.
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