The Leader, tag 000 in this software, does not need to be present. If it is missing, then it is generated upon export. For this software, position 06, Type of Record, impacts the generation of Material Type classification used in the OPAC.
Field 001 and 003 are not edited by this window, rather, they are edited through a unique window.
Field 005 cannot be edited. Its values are generated by editing activity.
Fields 006 position 0, 007 position 0, and 008 positions 18
through 21, are used to determine the Material Type.