Undo/Redo Settings

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

• Undo and Redo applies ONLY to selected VNA settings.

• The Undo stack remembers 16 levels of Undo-able settings.

Tips:

• Undo/Redo can be stored to a User Key or Favorite softkey.

• With a keyboard:

• • Undo --> Ctrl+Z

  • Redo --> Ctrl+Y

Clear Undo History

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

Undo and Security

• Undo/Redo is disabled with High and Extra security levels. Learn more.

• State files that are saved for Undo/Redo purposes (for example: Preset) are deleted when any of the following occur:

• • The VNA Security level is changed

  • The VNA App is started or closed.

Selected Undo-able settings

You can Undo or Redo the following VNA settings:

Note: There are several VNA 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.

• Preset

• File Recall

• Frequency Settings:

• • For Standard Class: Start, Stop, Center, Span, CW

  • For SMC: Mixer Setup dialog Apply

• Turn off Marker and Marker All OFF

• Number of Points

• Power Level - most applications and S-parameters

• Add or Change Measurement Class

• Turn OFF Channel

• Close Window

• New Channel, new Window and new Trace

• Delete Trace

• Window Tile

• Move Trace, Drag Trace

• Autoscale All, Autoscale

• Scale, Reference Level, Reference Position

• Scale Coupling dialog

• Electrical Delay

• Phase Offset

• Measurement Setups dialog

• Format

• Sweep Type

• Data -> Memory

• Single Marker Searches (Max, Min, Target, Peak…)

• Multi-marker Searches (Bandwidth, Power Saturation, Normal Operating Pt)

• Change a Marker’s stimulus value: softkeys, dialog or drag

• Change cell in Segment Table

• Mechanical Settings dialog

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