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.
Undo and Redo applies ONLY to selected settings.
The Undo stack remembers 16 levels of Undo-able settings.
To return to the previous task, press Undo > Main > Return To Task.
To clear the Undo stack, press Undo > Main > Clear Undo History.
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 Security level is changed
The Network Analyzer App is started or closed.
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.
Frequency Settings
For Standard Class, Gain Compression, and NF: Start, Stop, Center, Span, CW
For SMC, VMC: Mixer Setup dialog Apply
For Swept IMD: Freq softkeys, setup dialog Apply
IM Spectrum: Freq softkeys, setup dialog Apply
Noise Figure: Freq softkeys, setup dialog Apply
GCX, IMDX, NFX: setup dialog Apply
Power Level - most applications and S-parameters
Delete Trace
Window Tile
Change Layout (1x, 2x, 3x, 4x)
Move Trace, Drag Trace
Zoom XY, Zoom Out Full
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