Anritsu BERTWave MP2100B, Operation Manual, Page: 209 / 382

7.5 Calibrating Sampling Oscilloscope
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After the following operations, CAL alarm is displayed on the screen.
When the CAL alarm is displayed, calibrate the level.
●
Change [Sampling Mode] in the Setup dialog box.
●
When Sampling Mode is [Pulse] or [Coherent Eye], change [Pattern
Length] in the Time dialog box.
CAL Alarm
Figure 7.5.1-3 CAL Alarm Display
7.5.2 Performing Self Test
Perform the self test in the following cases:
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When the error message is displayed after level calibration referring to
7.5.1 “Calibrating Level”
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When the noise voltage is over the specified value shown in Appendix A
when the signal is not input
●
When the waveform is not displayed, the displayed waveform
amplitude and bit cycle is different from the expected value, and the
BERTWave operation and measurement results are abnormal.
The application self test runs following items.
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Power
●
Frequency
●
Amplitude
If the test result is normal, “passed” is displayed, on the other hand, if the
test result is abnormal, “failed” is displayed.
The self test procedures are as follows.
1. Check that no signals are input to the front-panel Ch A In, Ch B In,
Trigger Clk In connectors.
2. Touch [Setup] to open the Setup dialog box.
3. Touch the [Utilities] tab.