VNA Help
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Undo/Redo Settings

If you make an incorrect setting, you can quickly recover by selecting Undo. If you then incorrectly Undo a setting, you can Redo the undone setting.

How to Undo or Redo a setting

Tips:

  • Click or touch the Undo and Redo Icons:

Undo

Redo

  • With a mouse, right-click on the Softkeys or on the Entry toolbar.

  • With a keyboard:

    • Undo....Ctrl+Z

    • Redo....Ctrl+Y

Using Hardkey/SoftTab/Softkey

Using a mouse

  1. Press Undo > Main.

  2. Click Undo or Redo.

  1. Click Undo and Redo Icons on Active Entry or Softkey Toolbar.

SCPI and COM programming and Undo/Redo:

  • There are NO Programming commands to invoke Undo/Redo

  • Programing commands are NOT Undo-able.

  • The Undo stack is cleared when programming commands are sent to the VNA.

Return To Task

To return to the previous task, press Undo > Main > Return To Task.

Clear Undo History

To clear the Undo stack, press Undo > Main > Clear Undo History.

Undo and Security

Selected Undo-able settings

You can Undo or Redo the following settings:

Note: There are several settings that are NOT Undo-able. Because of this, when you attempt to Undo a long sequence of operations, it is unlikely that the original state can be recreated exactly.