IFD500 Series Pilot Guide
6-12 Navigation
NOTE
OBS Leg Depiction on External Moving Maps
The depiction of the OBS course line on external
moving map displays may vary by device. Some
external displays may depict the OBS leg and some
may not. For example, in IFD software releases
prior to Release 10.1.1.0, the Avidyne EX5000,
EX500, and EX600 MFDs would not depict the OBS
course line/leg but do depict a 200nm OBS course
line/leg in Release 10.1.1.0 and later. Changes can
take up to 7 seconds to display on the map and
east-west legs may show some curvature.
NOTE
OBS Behavior in Dual IFD Operations
For those installations that include dual IFDs that are
separately wired to two different nav indicators, the
#2 IFD will automatically switch into OBS mode
when #1 IFD Nav Source has been put into OBS
and the #2 nav indicator will flag invalid. This is
because the FMS stays synchronized between the
two IFDs. The #2 IFD will display the selected
course as set by the #1 nav indicator on the map
page.
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