Tektronix 2221A, User Manual

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J Q v m y vy c iv e t u r n i s a n t i o e i u p s
Figure 3-41: SAVE REF Memory Buttons
Recalling a Waveform from SAVE REF
Once a waveform is stored in a SAVE REF memory location, simply press
the memory location button to recall or remove it from memory. The con­
tents will remain intact even after the power is turned off. There is no over­
write protection on these memories, however. Pressing the SAVE REF and
memory location button will save a new waveform to that location and
overwrite the old.
Comparing Saved Waveforms
You can simultaneously display the contents of more than one SAVE REF
memory location. This enables you to compare one saved waveform with
another.
|~| Step 1: Press one or more memory location buttons to display their
respective contents.
IT"]
Step
2:
Press the SELECT WAVEFORM button (next to the cursor
control) one or more times until the cursors appear on the waveform you
want to measure. An underscore appears under the selected SREF
memory number at the top of the display.
Saving and Recalling
Setups
The oscilloscope can retain front-panel and menu setups, even after the
power is turned off. You can also select the Power up State or group of
setups that the instrument will recall when the power is turned back on.
Saving a Setup
Save and recall menu and acquisition setups by using the Save Setup
Menu located under the ADV FUNCT menu.
F I Step 1 : Press the Setup ADV FUNCT button. The Advanced Functions
menu appears.
O Step 2: Press the button underneath Save Setup Menu,
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