IFD400 Series Pilot Guide
1-2 System Overview
INTENDED FUNCTION
This manual describes the operation of the Avidyne IFD4xx series
of equipment. Not all capabilities described herein are applicable
to every model in the series. The IFD440 is the basis for
capabilities described in the manual. Differences from the
IFD440 are specifically identified throughout the manual.
IFD440
The Avidyne IFD440 is a GPS, VHF Communication, and VHF
Navigation transceiver whose primary function is to conduct VHF
communication and navigation, and serve as the primary
navigation system for all VFR and IFR VHF and GPS navigation
and instrument flying, provided it is connected to an external
navigation source selection annunciator and a CDI/HSI indicator
that is installed in the required field of view.
IFD440 Integrated Flight Display
Supplemental IFD functions include a moving-map, flight
management system (FMS), checklists, and a number of timer
and calculator types of utilities. Optional IFD functions include
control and display of remote transponders. The system includes
terrain alerting as well as an option for HTAWS.
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