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PFD Operation
SkyView Pilot’s User Guide - Revision M
4-15
OAT
Outside air temperature (OAT) as shown in Figure 30 is displayed in the very
lower-right corner of the PFD. Units can be set to degrees Fahrenheit or degrees
Celsius. Reference the SkyView System Installation Guide for instructions on
how to change the displayed units. If OAT is not valid (i.e., disconnected or
damaged), then "OAT ---" is displayed.
Extreme Pitch Warning Indicators
The SkyView PFD shows large red arrows as pitch warning indicators in extreme attitudes (i.e.,
45 degrees or greater pitch up or down). These indicators point to the horizon and indicate
which way to maneuver to attain a level attitude. Indicators are accompanied with a small sliver
of sky or ground bordered with a white dashed horizon line, depending on the current attitude.
The pitch warning indicators can be enabled or disabled through the setup menus. See the
SkyView Installation Guide for information about this setting. Figure 31 illustrates the pitch up
warning arrows with the slivers of ground.
Figure 31–Extreme Pitch Warning Indicator Arrows
ADAHRS (Flight Instrument) Redundancy and Cross-Checking
SkyView systems support multiple SV-ADAHRS-20X modules for redundancy and manage failure
scenarios by automatically switching to backup modules should an ADAHRS completely fail.
Additionally, in the event that multiple ADAHRS disagree, the display will annunciate this with
an on-screen alert that calls out which parameter(s) are not the same on all ADAHRS.
Parameters that are continuously cross-checked include attitude (pitch and roll), magnetic
heading, G Meter, turn coordinator (slip/skid ball), airspeed, and altitude.
Figure 30–
Example OAT