Character delimited: Columns in the file are separated by a character, typically either a comma or a tab.

Fixed width columns: Columns in the file are not separated by a character.  You will need to drag out these columns manually in the column headers.

Variable width columns: Columns are separated by white space, but may not be aligned.  Just specify the number of columns with the Add Column button.  The columns do not need to align with the contents of the file.

Comma: Columns are separated by the comma "," character.

Tab: Columns are separated by the tab character.

Other: Specify another character that separates the columns.  This may be a space or some other character such as a vertical bar "|".

Add Column: Add a manual column to the list.  This is only used with fixed and variable width columns.

Clear Columns: Remove all the currently defined columns.  This is only used with fixed and variable width columns.

First line is column labels: Check this item if the first line of the file represents column labels.  SeisWare will attempt to parse this into SeisWare specific column labels.

Load Format: Allows you to load a predefined format into the dialog.  When obtaining data from the same vendor, this can often speed the import process.

Save Format: Allows you to save the format defined in the dialog to a file that can later be quickly reloaded.

Skip Lines: use to ignore header lines at the start of the file. The first row to be imported must be valid values or the file will not be read.

Comment Character:use to ignore header lines that have a character signifying commented data. Often comments are noted by "#" "!" or specific values.