PLG12863E AFI4700 Pilot’s Guide 40
To-From Indicator
Annunciated both as a white triangle on the course pointer and in
white text, it shows whether the course pointer is pointed to or from
the navigation source. Not available when selected to a GPS source.
Active Navigation Source
Displays the active navigation source, as selected by the NAV bezel
button.
Bearing 1 Preview Source
An annunciation of the currently displayed bearing 1 preview source.
This may be enabled or hidden through the BRGS page in the system
menu.
Bearing 1 Pointer
A graphical representation of the currently selected bearing 1 preview
source that points towards the navigation source or along the
navigation course line.
Bearing 2 Preview Source
An annunciation of the currently displayed bearing 2 preview source.
This may be enabled or hidden through the BRGS page in the system
menu.
Bearing 2 Pointer
A graphical representation of the currently selected bearing 1 preview
source that points towards the navigation source or along the
navigation course line.
DME Distance
Distance data coming from the DME unit is displayed here.
DG Indicator
DG is annunciated to the left of the heading when the connected
directional gyro indicates slave mode is off.
Directional Gyros periodically cross-reference heading with a
compass source to eliminate gyroscopic precession. The EFI itself
only listens to the gyro’s output and does not have a way to adjust DG
slave mode or adjust the compass card.
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