The SG-465 EFIS symbol generator needs to be configured for the equipment specific to the installation. This is done by using a menu driven program on the display unit. The resulting configuration is stored both in the symbol generator and in a configuration module attached to the mounting rack. The configuration module remains a part of the aircraft installation and is used to transfer the configuration to replacement symbol generators. Whenever the configuration stored in the configuration module and the configuration stored in the symbol generator differ, the operator is asked to choose which one to use.

Please refer to Page 4-330 (section 4.10.2.E.) of the EFS-40/50 Installation manual for detailed instructions detailed on proper symbol generator configuration.

4.1.1.A. Make sure all units are connected properly. Connect an auxiliary power unit (APU) to the aircraft.

4.1.1.B. Turn aircraft power, avionics power and inverters on. Verify the display unit becomes lighted within 30 seconds and all colors, red in particular, are displayed. The system will do an automatic self test and will display a SELF TEST PASS message. A yellow CHECK CONFIG message may appear indicating the system requires configuration programming.

To change the configuration upon the "CHECK CONFIG" message, select the copy mode appropriate by moving the hand to the appropriate item. Push Config Switch through the Front of the Symbol Generator, then NEXT MENU. You Should get a Copy Complete Message when the Operation is Complete. To change a single item in a configuration page through the equipment or operating Menus until the item requiring change is found. Enter that menu page and push the switch through the front of the Symbol Generator. This will allow you to move the hand to the line you are changing the configuration to. Push the Next Menu button to select the item you moved the hand to. The configuration menu may then be exited.