15. Repeat the procedure for all remaining channels as follows:
a. Push the front-panel button to deselect the channel that you have already
tested.
b. Push the front-panel button to select the next channel to be tested.
c. Move the calibrator connection to the channel input to be tested.
d. Starting from step 3, repeat the procedure until all channels have been
tested.
16. Press the Menu Off button.
Check random noise sample acquisition mode
This test checks random noise at 50 Ω and 1 M Ω for each channel. You do not
need to connect any test equipment to the oscilloscope for this test.
1. Disconnect everything from the oscilloscope inputs.
2. Push the front-panel Default Setup button.
3. Select the RMS measurement as follows:
a. Push the front-panel Wave Inspector Measure button.
b. In the Measurement Setup window, select the RMS measurement.
c. Ensure that the channel being tested is selected in the Channels box.
4. Reset the Statistics as follows:
a. Select Statistics.
b. Click Reset.
c. Click OK.
5. Read and make a note of the RMS Mean value. This is the Sampled Mean
Value (SMV).
6. Set the Acquisition mode to Average as follows:
a. Push the front-panel Acquire button.
b. In the Acquisition window, select the Acquisition tab at the left.
c. Click to select Average Acquisition mode.
d. Ensure that the number of averages is set to 16.
7. Reset statistics as follows:
a. Push the front-panel Wave Inspector Measure button.
b. In the Measurement Setup window, select Statistics.
c. Click Reset.
8. Read and make a note of the RMS Mean value. This is the Averaged Mean
Value (AMV).
Performance verification (MSO/DPO5000/B series)
MSO70000C/DX, DPO70000C/DX, DPO7000C, MSO5000/B, DPO5000/B Series 329
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