15.64.62.1  CM....   - This sets the units to a "standard" set of units.  
     1.  MM       = CM/10
     2.  DM       = 10 CM
     3.  METERS   = 100 CM
     4.  INCHES   = 1.54 CM
     5.  MILS     = INCHES/1000
     6.  POINTS   = INCHES/72
     7.  FEET     = 12 INCHES
     8.  YARDS    = 3 FEET
     9.  FATHOMS  = 6 FEET
    10.  RODS     = 16.5 FEET
    11.  FURLONGS = 40 RODS
    12.  MILES    = 8 FURLONGS
    13.  LEAGUES  = 3 MILES