SUE (Schematic User Environment) is the database format of the SUE schematic editor, from Micro Magic. For more information on reading SUE, see Section 3-9-2. SUE options are controlled with the "SUE" preferences (in menu File / Preferences..., "I/O" section, "SUE" tab).

This dialog controls whether transistors will appears in a standard 3-terminal configuration or in a 4-port configuration with a substrate connection.