LAS\SET OFFSETS o1 o2 [Unit]
FIND will select all observations with offsets at this position, within
the specified tolerance (SET MATCH) around o1 and o2. Values are ex-
pressed in the given unit if any (RAD, DEG, MIN, SEC, MAS), or current
Class unit if absent (current SET ANGLE).
Default is * * (select all offsets). See also SET RANGE.