Keyword: The name of the keyword.  Place a check the box on the left to select a keyword for export, or remove the check to avoid exporting the keyword.

Byte Offset: The byte offset into the header for the keyword.  This is the destination byte location in the exported file.

Data Type: Specify the format you wish to write the keyword in.

• IEEE Float: This is the normal 32 bit floating point format used on most modern computers.
• IBM Float: IBM 32 bit floating point format.  This is the original floating point format for SEG-Y files.  Certain applications expect floating point data to be in IBM format.
• 32 Bit Integer: Normal 32 bit (4 byte) integer data.
• 16 Bit Integer: Normal 16 bit (2 byte) integer data.  Various common keywords are stored as 16 bit integers.
• 8 Bit Integer: Normal 8 bit (1 byte) integer data.  This is not a common format, and is normally only used for specifying application specific flags.

Scale Factor: Specify a scale factor to apply to a keyword before writing it to the output file.  Normally this will be left as 1, but occasionally a user might want to scale certain keywords such as the shot sequence number or the coordinate values.

Select All: A quick way to select all the keywords for export.

Deselect All: A quick way to deselect all the keywords in the list.