Editing a MARC Record

Horizon offers several advanced editing options that affect the way all MARC records display. Your system administrator can set up Horizon to take advantage of these features:

Basing authority control on bib subfields. This lets authority‑controlled bib tags have different sets of controlled subfields. (For example, the bib tag 400 <subfield v can be set as not controlled, while the bib tag 600 subfield v can be set as controlled.) If you use this feature, bib subfield control values (rather than the subfields in the authority record) determine which bib subfields are controlled. Only linking bib subfields have to match the corresponding subfield in the authority record. This is especially useful if you want to have unique volume numbers on bib tags that are controlled by the same series authority.

The new bib subfield control settings do not automatically affect all bib records. Once you have made the changes, if you add, modify, or overlay a record, Horizon applies the new settings. Previously existing records are modified if you open and resave them, or if you run BARelink. (For more information, see your system administrator.)

Ignoring ending punctuation from all linking bib subfields during authority matching. This prevents Horizon from generating duplicate authority records when the ending punctuation on linking bib subfields is different from the ending punctuation in the corresponding subfield of the authority record.
Preserving original ending punctuation on linking bib subfields. When you import bib records, Horizon may link a new bib record to an existing authority record that has different ending punctuation from the authority record being imported with the new bib record. Your system administrator can choose to preserve and display the original ending punctuation in the controlled bib subfields instead of replacing the bib subfields with the ending punctuation from the corresponding authority tag.
Preserving local authority subfields. This feature lets you retain any information you have added or edited in local authority subfields (for example, subfield w on 4XX and 5XX tags) when you import and export MARC records. (Instructions contained within local authority subfields cannot yet be interpreted in PAC.)

Your library may have determined which of these advanced editing options to implement when you installed a previous version of Horizon (6.0 or later). (For more information, see your system administrator.)

Additionally, you can edit individual MARC records, including the header. The MARC Editor lets you edit most parts of a MARC record as if you were using a word processor. You can edit information in tags, indicators, and subfields. You can also move, copy, and paste information. Horizon lets you change anything in the records. However, if you have activated Error Checking and create an invalid tag, subfield code, or indicator, or enter invalid information in a fixed field, Horizon marks the invalid information as an error. (For more information, see Activating Error Checking in Records.)

You can go back to the previously saved record at any time while you are editing by closing the record without saving it. You can also use Undo ( ) and Redo ( ) to move sequentially through any changes made since the last time you saved the record. If your system administrator has set it up, you can check the spelling in specific subfields of a record. You can see how the record will look before you save it by reformatting it. However, once you save a record, you must re‑edit the record to reverse any changes.

This section explains these topics:

 


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