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Back Course Display
The MX20 will draw the “front course” on its display
when a localizer frequency is tuned into the SL30. If you
enable the back course feature of the SL30, the MX20 will
then draw a “front course” graphic localizer extending
from the reciprocal runway.
The front course localizer graphic is shaded on the right
side. The back course localizer graphic is shaded on the
left side. Since the SL30 reverse-senses the needles, a
standard “chase the needle” approach may be made and
the “front course” localizer graphic is always used on the
MX20.
A published back course approach at the airport is not
necessary to enable this feature.
The SL30 must be receiving a valid ILS, or localizer, and the
MX20 must have airports turned on for this feature to be
active.
NDBs
The NDBs option allows you to choose the type of NDB
information displayed on the Map screen. You may select
the display of NDB icon and identifier, icon only, or no
information by each subsequent press of the NDB
LINE
SELECT
key.
Intersections
The Intersections option allows you to choose the type of
Intersection information displayed on the Map screen.
You may select the display of the Intersection icon and
identifier, icon only, or no information by each
subsequent press of the Intersection
LINE SELECT
key.
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Detailed Operation