Library /sys$common/syshlp/dtm$dw_helplib.hlb overview, compare, man_compare  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  To manually compare test results, perform the following
  steps:

  1. Pull down the Testing menu.

  2. Choose the Compare... menu item.

  The Compare dialog box enables you to choose the type
  of test comparison, the differences format, and special
  characters that Digital Test Manager should ignore
  during a comparison.