ADF SYSTEM - FLIGHT COMPARTMENT COMPONENT LOCATION

ADF System Components

The ADF control panel is on the P8 aft electronics panel.

Interface Components

These flight compartment components have an interface with the ADF system.

· Left and right EFIS control panels

· Left inboard and outboard display units

· Right inboard and outboard display units

· Capt and F/O audio control panels.

Electronic Equipment Compartment

The ADF receiver is in the electronic equipment compartment on the E3-1 shelf.

ADF Antenna

The ADF antenna is on the top of the fuselage at fuselage station 694.

ADF SYSTEM - POWER AND ANALOG INTERFACE

Power

115v ac power from the ADF circuit breaker goes to the ADF control panel. The ADF control panel uses the 115v ac power for operation. The ADF control panel sends 115v ac power to the ADF receiver for operation. The ADF receiver sends 12v dc power to the ADF antenna for operation.

PSEU

The proximty switch electronics unit (PSEU) supplies an air/ ground discrete input to the ADF receiver. The ADF receiver uses the air/ground input to calculate the flight leg count for the internal memory.


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