Aspen Avionics Evolution EFD 1000 C3 Pro PFD - Autopilot Integration

CHAPTER 4 REFERENCE GUIDE
Page 4-53
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EFD1000 C3 Pro PFD Pilot’s Guide
NOTE
Refer to the autopilot AFMS for information on the
operation of the autopilot or Flight Director.
4.7. Autopilot Integration
The PFD can connect with many dierent legacy autopilot systems that are typically
found in general aviation aircraft. The PFD emulates the HSI and/or Flight Director (FD)
with which the autopilot was originally certied. Autopilot integration is limited to
heading and navigation modes, including vertical approachmodes.
When connected to an autopilot system that includes Nav or Approach couplers, the
PFD also acts as the navigation source selector switch to the autopilot. This assures that
the navigation information selected for the PFD is the same as that being provided
to the autopilot. This arrangement also eliminates the need for external autopilot
navigation source selector switches and relays that were previously used to select
which navigation radio would be connected to the autopilot. Selection of autopilot
modes and mode control is unaected by the installation of the PFD.
The PFD does not currently provide vertical coupling to barometric references, such as
altitude hold, vertical speed, or altitude capture.
See Section 4.7.3. Typical Autopilot Operation for more details on PFD operation
with the autopilot systems during typical aircraft operations, such as VOR/ILS/GPS
approaches.