Tektronix 11801C User Manual page 99

11801C User Manual
Step 13: Touch Acquire Desc in the major menu and Average N in the
pop up menu, to turn off averaging. Notice that the trace expression in
the Vertical Desc selector has removed the average function specifica
tion.
This is an example of averaging. Enveloping is done similarly, using Enve
lope N, Set EnvN, and Envelope Complete selectors.
Both averaging and enveloping can be done simultaneously. To do both,
you must enter the trace expression from the DefTra or Vertical Desc pop
up menus. No shortcut is available from the Acquire Desc pop up menu.
Example 4: Using Signal Processing
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