Garmin GDL 69/69A Installation Manual

Also see for GDL 69: Pilot's guide addendum Pilot's guide addendum Activation Instructions Pilot's guide Activation Instructions

Contents

Garmin GDL 69/69A Installation Manual Manual pdf 43 page image

System Configuration/CheckoutGDL 69/69A Installation Manual Page 4-1190-00355-02 Revision E4 SYSTEM CONFIGURATION/CHECKOUT4.1 Post-Installation Power CheckMove the aircraft outside and ensure that there is an unobstructed view of the Southern sky. Attach aground power cart to the external power connector on the aircraft and apply power.NOTEUse of an external power cart is optional in order to prevent the aircraft battery fromdischarging to a critically low level.Power on all systems and allow two to four minutes for initialization. Verify that the control/display unitand the audio panel are connected, and operating properly. Ensure the circuit breaker for the GDL69/69A is closed.4.2 Initialization of Configuration ModuleThe GDL 69/69A requires aircraft installation information to be stored in the configuration module.For MX20 and 400/500 series units the configuration module is installed in the back panel connectorbackshell assembly and the only parameter stored in the configuration module is the variable attenuatorvalue needed to obtain the required GDL 69/69A gain/loss component.For installations with the GDU 104x, the configuration information is stored with the G1000 avionicssystem. Therefore the configuration module is not installed in the GDL 69/69A connector backshell. Forinstallations with the G1000 avionics system, the configuration information contains the variableattenuator value and may contain several other parameters.NOTEThe GDL 69/69A does not provide proper operation until the configuration initializationprocedure is completed.4.2.1 Configuration Module Procedure for Installation with MX20Refer to the latest revision of the MX20 Installation Manual (Garmin AT Part Number 560-1025-( )) forinstructions.