Analyze Wavefor
mData
Setting Description
Repeat Test
Set On for the t
est to repeat when it has run the minimum number of waveforms or
the minimum amount of time.
Set Off tor the test to run a single time and not repeat.
Mask Polarity
Set the mask polarity to use during the test. W hen Both is selected, the test will run
with Normal p
olarity for about half of the expected number of waveforms or amount
of time and then will run with Inverted polarity for the remained of the test.
Run the Test
and View the Results
1. Push Run Test on the lower menu to start
andstopthetest.
Application
Limit/Mask
Test
Set Up
Mask
On
Select
Mask
Standard
Select
Standard
E1 Coax
Set Up
Test
1
Run Test
On|
Off
Show
Results
Off
2. Push Show Results on the lower menu
and use the resulting side menu to select
whether to show basic or more detailed
results. You can also reset the results.
Quick Tips
Use Average acquisition mode to create a smoother, cleaner limit test mask.
If you want to re-use the mask later, save it to a file by selecting Set Up Mask from the lower menu and Save Mask to
File from the resulting side menu.
To simplify the setup of the test source, save the oscilloscope setup so that later you can quickly reload the s ettings to
correctly display the test source for limit tes ting.
Have the mask automatically re-scale with the source channel setting changes by selecting Set Up Mask from the lower
menu and Lock to Source as On with the resulting side menu.
The math waveform is not available when using mask testing.
Making Video Tests
Trigger on and display video signals. Do this with standard, built-in video test tools. To use this application:
1. Push Test.
2. Turn Multipurpose a to select Video
Picture.
MSO4000B and DP O4000B Series Oscilloscopes User Manual 137