Chapter 6: Using the Web Interface992. When the mouse pointer turns into a two-way arrow, drag the borderhorizontally to widen or shrink the pane.More InformationThis section explains additional web interface elements or operationsthat are useful.Warning IconIf the value you entered in a specific field is invalid, a red warning iconappears to the right and the field in question is surrounded by a redframe as shown in this illustration.When this occurs, position your mouse pointer over the warning icon toview the reason and modify the entered value accordingly.