Avidyne IFD540 Manual de Instalação descarregar pdf (Página 50)

2-12 FMS Pages

ENTERING AND INTERCEPTING A RADIAL

FMS Method

The FMS Course function will allow the pilot to navigate “To” or

“From” the active waypoint while OBS is selected as the nav

source. Push the Nav Source knob in to make OBS the active

nav mode and then adjust the FMS (OBS) course using the

external course adjust knob (i.e. course set knob on a CDI or HSI

or EFIS). If there is no installed external course setting device,

then twist the IFD nav source knob to adjust the FMS Course

value.

FMS Course mode makes the current waypoint act like a VOR.

Select the desired radial to fly inbound or outbound. Adjusting the

course to or from the active waypoint will be reflected by the

To/From flag as in a traditional HSI. The course deviation

indicator will be presented in relation to the selected course.

As the FMS course is adjusted via the external course set knob

(or the IFD nav source knob if no external device is installed), the

active leg on the FPL tab will change to “Fly Course xxx ” as

shown in the image below.

The FMS Course function will always be armed (i.e. it will always

intercept the flight plan) in a To intercept. If the airplane is in a

From course, it will intercept only if the dialed course trajectory

intercepts the flight plan. If the dialed course does not intercept

the flight plan, the airplane will fly that course indefinitely.

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Avidyne IFD540 Manual de Instalação Página 50