Performance Verification
4. Push the Source
lower-bezel button.
5. Select the AC Line trigger source with Multipurpose knob a. You do not need
to connect an e
xternal signal to the oscilloscope for this DC Balance test.
6. Push the front-panel Acquire button.
7. Push the Average lower-bezel button, and then push the Average side bezel
button to turn averaging ON.
NOTE. When
using a veraging, allow the oscilloscope to acquire all the samples
before taking the measurement.
8. If needed
, adjust the number of averages to 16 with Multipurpose knob a.
9. Push the front-panel channel button for the oscilloscope channel to test, as
shown in
thetestrecord(forexample,1,2,3,or4).
10. Set the channel being tested to 200 mV/div using the Vertical Scale knob.
11. Attach a 50 Ω terminator to the oscilloscope input channel being tested.
12. Push the lower-bezel Coupling button to select DC or GND coupling, as
given in the test record.
13. Push the front-panel Wave Inspector Measure button.
14. Push the Add Measurement lower bezel button.
15. Use Multipurpose knob a to select the Mean measurement.
16. Pus
htheOK Add Measurement side-bezel button, and then push the Menu
Off button.
17
.
Vi
ew the mean measurement value in the display and enter that mean value
as the test result in the test record.
1
8.
R
epeat step 9, then steps 12 through 17.
NOTE. When using averaging, make sure to allow the oscilloscope to acquire all
the samples before taking the measurement.
19. Repeat steps 9 through 18 for each remaining channel.
DPO2000 and MSO2000 Series Specifications and Performance Verification 19
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