From parallel diamonds: Centers in R-H/(L-H) wave 2/3 Linear Cycle then move to the right/(left) around the outside as in Track 2 (Cross Invert 1/2), points slide together and Trade (Cut) then Circulate.
Clear The Track But - As above but points take a replacement command instead of Trade, etc.
Bill Davis
This definition is from SCVSDA Note Service by Bill Davis.
It is provided here for informational and educational purposes only.