Trace B Ops Menu Key Sequence: Shift > Trace (5) key > Trace B Operations SPA Trace B Ops Menu A -> B Copies the contents of Trace A into Trace B. Doing so overwrites the previous contents of Trace B. B <--> C Swaps the contents of Traces B and C. Max Hold -> B Shows the cumulative maximum value of each display point over many trace sweeps. Min Hold -> B Shows the cumulative minimum value of each display point over many trace sweeps. Back Returns to the “Trace Menu”.