Tektronix MDO4054-3, User Manual, Page: 176 / 222

Analyze Waveform or Trace Data
9. Push Edit Custom Mask from the
lower-bezel menu.
10. Turn multipurpose knob a to adjust the
custom mask Vertical Margin , as shown in
the resulting side-bezel menu. A positive
value will spread the upper and lower mask
segments apart. A negative value will bring
the upper and lower segments together.
NOTE. For more on editing capabilities, see the
“Create a custom mask from a text fi le” section
or the “Create a mask via a remote interface”
section.
Create a custom mask from a text fi le.
1. Push the front-panel Test button.
2. Push the lower-bezel menu Application
item. Turn multipurpose knob a to select
Limit/Mask Test from the menu.
3. Push the lower-bezel Set Up Mask item.
MDO4000 Series Oscilloscopes User Manual 157