Graph Menu

Show/Hide Grid Ctrl+Shift+G
Toggle the grid on/off by using this menu entry or the associated shortcut keys.
Frequency Axis Log/Linear Ctrl+Shift+A
Toggle the frequency axis between logarithmic and linear display. The button on the toolbar provides the same function.
linear/logarithmic frequency axis button
Undo Zoom Ctrl+Z
Restore the graph axis settings that were in use when the middle or right mouse button was last pressed with the pointer in the graph area. The main application is to undo the last Variable Zoom or Zoom to Area action, but it can also be used to undo a pan or any other action that altered the axis settings since the right mouse button was last pressed in the graph area.
Apply 1/3 Octave Smoothing to Current Measurement Ctrl+Shift+3
Apply a one-third octave smoothing filter to the current channel. Equivalent to selecting 1/3 in the smoothing box in Trace Adjustments.
Remove Smoothing for Current Measurement Ctrl+Shift+0
Set smoothing to none.
Save Graph as JPEG Ctrl+Shift+J
Save the current graph view as a JPEG image. A popup allows the width of the JPEG image to be defined, default is the width of the graph.

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