Tektronix SPG8000 Technical Reference page 116

Performance verification
102
4. Set the scope to averaging 16 and set the record length to 4000 points, the
time/div to 2 ns, and the amplitude per division to 100 mV.
5. On the scope, select Measurement 3, Pulse-Amplitude, and then Amplitude to
measure the amplitude on the flat part of the long pulse.
6. Right click on the measurement readout, and select Show Statistics and Show
Annotations from the pop-up menu.
7. Press the Clear Data button on the oscilloscope and wait about 5 seconds
before proceeding to the next step.
8. Record the average value, which is indicated by the letter μ. Multiply μ by the
attenuation factor you obtained in step 17 of the previous test.
NOTE.
If you entered the attenuation factor into the scope at the end of the
amplitude characterization test (See page 97, Amplitude characterization.), then
the scope will display the multiplication result.
9. Record the result in the test record.
10. Swap the signal cables between the SDI 1A and SDI 1B connectors so that
SDI 1A connects to the trigger input and SDI 1B connects to the adapter.
11. Repeat steps 7 through 9 for the SDI 1B output.
12. Move the signal cable from the SDI 1A connector to the SDI 2B connector,
and move the signal cable from the SDI 1B to the SDI 2A connector.
13. Repeat steps 7 through 12 for the SDI 2A and SDI 2B outputs.
14. Press the BACK button to exit the SDI calibration mode.
15. If you are performing the verification procedures in order, you can skip
forward to step 1 of the SDI rise and fall time test. Otherwise, proceed to
the next step.
16. Exit factory mode by removing and then reattaching the power cord to restart
the SPG8000.
SPG8000 Specifications and Performance Verification