Allows you to determine the expression that the software will display after importing the data.
Expression — Allows you to define the required expression.
Text — Allows you to type the text of the expression. For example, C1 for a cable name.
Attribute — Allows you to select a property for which you are building the expression.
Start — Defines the starting character of the expression.
Length — Allows you to type the number of characters to set the expression length.
Add — Adds another expression row.
Delete — Deletes the selected expression row.
Preview command button — Allows you to display the expression in the Preview box.
Preview — Displays the current expression.