fg seismogram; rmean ;* Data spectrogram slice 0.1 method mlm xyz ;* Make XYZ spectrogram bf ;* Start composite plot ylim 0 25 ;* Limits and labels ylabel 'Frequency @(Hz@)'; xlabel 'Time @(sec@)' grayscale ;* Color spectrogram ylabel off; xlabel off ;* Only label once contour ;* Overlay contours ef ;* Finish composite plot