Macro: CPM

This button toggles the X-axis units in Spectrum modes between Hertz and Cycles Per Minute (CPM). This is intended for use when observing machine vibrations that may correlate with revolutions per minute (RPM). You may toggle this state directly (even if the dialog is not visible) via ALT+SHIFT+C.

CPM mode simply applies a factor of 60 seconds/minute to the former Hertz values. That means that 2 kHz becomes 120000 CPM, shown as 120 kCPM or even 0.12 MCPM depending on the total axis range.

Macro Notes:

CPM=1 sets CPM mode, CPM=0 turns it off, and CPM=x toggles the current state.

See also X-Axis Control Dialog

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