How to ? Set up mask testing
Set up m ask testing
Use the following procedure to set up the instrument to perform mask testing.
1. Connect the instrument to the source signal or save the source signal to a math or reference waveform
memory location.
2. Access the mask setup window:
a. From the toolbar, c lick Masks to display the Mask Testing control window.
b. From the Source/Tolerance tab select the channel, math, or refe r ence tab, and then select the
waveform to use as the mask test source. You can only mask test one waveform at a time.
3. Specify the mask Type:
a. Open the M
asks tab.
b. Click the appropriate button in the Type field.
c. Click the More button to display further selections.
NOTE. This window lists the mask types and standards available on your instrument. Industry
standa
rd masks are available. You must install the Serial Communications Mask Testing Option
(see
page 209) on some instruments before you can access the Comm triggers.
TIP.
Selecting a mask type and standard adjusts the instrument horizontal, vertical, and trigger
settings to those appropriate for d isplaying a waveform of the specified type. If the signal is not
found within the mask, do the following:
Click the Autoset button to center the waveform in the mask.
If
Autoset did not align the signal within the mask, adjust the instrument vertical and
horizontal controls.
If
you clicked the Autoset button and the Autoset Undo preference is On, the instrument
will display an Autoset Undo window. Click the Undo button to return to the previous
settings, or click the X icon to remove the window.
4. Select a standard from the drop-down list to specify the mask standard.
DSA/DPO70000D, MSO/DPO/DSA70000C, DPO7000C, and MSO/DPO5000 Series 613
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