This is what the Scan Parameter Editor window looks like

          Scan Parameter Editor               or <^C> to exit


                   M       1000                 filter time const.       2500
                   S         50                window size (%f.s.)     20.000
                   k        620              fixed upper linit (V)      9.000
                   Kphi     100              fixed lower limit (v)      1.000
         alias order          1              path diff ratio: 1 to      1.000

       maximum sigma  12740.324 wn              next record number          1
      minimum lambda   7846.923 A                     scans wanted        999
 max resolving power      24999                         ratio mode         NO
    resolution limit      .5096 wn            bi-directional scans         NO
_______________________________________________________________________________

          sample frequency =   2500.000 Hz
               scan length =      49998 sample points (31000)
        samples per fringe =      1.612
         carriage velocity =      0.098 cm./sec.
         time for one scan =       0:19 (minutes:seconds)
total path diff. variation =      1.962 cm.
 maximum aperture diameter =     46.709 mm.