16
Advanced Operation
Nav Mode
Navigating along a Back Course approach
1. Press
NAV
to select the Nav receiver.
2. Set the Localizer frequency of your approach as the Active channel.
3. Press
SEL
. The display will prompt you to enable the back course. Press
ENT
to enable the back course.
Press
SEL
and
ENT
again to disable the back course when it’s appropriate. When Back Course is
enabled, it is noted by “
bc
” on the display.
4. Set the Standby channel to the appropriate VOR and note where a radial crosses the FAF and MAP for
your approach. Press
NAV
a second time to “monitor” the Standby channel. A small “
m
” will replace
the “
s
”.
5. The internal CDI (on the right side of the display) and the external CDI, if installed, will guide you along
the course to the runway.
6. The radial of the Standby channel you are monitoring will be shown in parentheses to the right of the
Standby channel.
7. Use the monitored Standby channel to note your location along the approach.
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