System Overview 1-9
Avidyne-compatible PS Engineering PMA8000B Audio Select
Panel, the PFD displays the frequency and station identifier of the
active com frequency just below the VSI in the primary field of
view.
The integration with the DFC100 autopilot is a tighter integration
than previous display-autopilot integrations. New features such
as VNAV and Envelope Protection have been added as well as
tight integration with the FMS400/900w. This eliminates the need
for manually pressing the autopilot control head buttons and
reduces pilot workload in many flight scenarios.
CAUTION-WARNING SYSTEM
A caution warning system is provided in this system, comprised of
a set of Master Caution “Warning” and “Caution” lamps in the
primary field of view of the PFD; a system of Warning (red),
Caution (amber), and Advisory (cyan) alert messages that are
displayed to the pilot, and a dedicated page for display of all
active alerts.
DATABLOCKS
As noted earlier in this section, many pages are presented in a
datablock format on the MFD and keyboard. Data such as
waypoint and nav data, com/nav frequencies, transponder codes,
UTC or Local time, and engine parameters are all selectable for
display in these datablock fields. The keyboard display is also
configured to allow display of pilot-selectable datablock fields.
REDUNDANCY
Since all IFDs are identical pieces of hardware, running identical
software, they are 100% interchangeable. These IFDs and
keyboards are all interconnected via a dual, digital Databus. This
means all sensor data is available to all IFDs, all the time.
External sensors (e.g. traffic, lightning, datalink, etc.) are
connected to the basic system via one or more of the I/O “blades”
and all IFDs have access to that information. The more sensors
that talk directly on the digital Databus, the less the wiring
required to support it, which translates directly to less weight and
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