Garmin GFC 600 Manuale - Pagina 32

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GPS

Navigation Source. ..................................................................................................SELECT CDI to GPS

Approach Procedure ..................................................................................... SELECT in GPS Navigator

CDI ...............................................................................................................SET / VERIFY desired track

If HSI is installed:

Intercept Heading ....................................................ESTABLISH in HDG or ROL mode (if required)

If DG is installed (no HSI):

4. Approach Course ..........................................ALIGN aircraft on approach course using HDG mode

4a. HDG Bug (on DG) ..................................................................................... SET desired track

5. GMC 605 APR Key ......................................................................................................................PRESS

6. Bold or subdued font GPS and GP annunciations ..................................................VERIFY on GMC 605

If GPS roll steering capability is not installed (see installed features checklist):

7. During course changes over 30°, SELECT HDG mode to manually track the desired course.

SELECT APR mode once the aircraft is established on the new course.

8. Vertical Mode and Reference................................................................. SELECT on GMC 605

9. Airspeed .........................................................................MAINTAIN 90 KIAS or greater (recommended)

If the Course Deviation Indicator (CDI) is greater than half scale deflection, the autopilot

will arm the GPS mode. The pilot must ensure that the current heading will result in a

capture of the selected course. If the CDI is within half scale deflection, the autopilot will

enter the capture mode when the APR key is pressed.

When the selected GPS approach includes vertical guidance (LPV, LNAV/VNAV,

LNAV+V, LP+V), glidepath coupling is automatically armed when the APR key is

pressed. The glidepath cannot be captured until the lateral approach path is captured.

The autopilot can capture the glidepath from above or below the glidepath.

In aircraft with a DG installed and no HSI, GPS mode cannot be armed. HDG mode must

be used to align the aircraft on the approach course with less than half scale deflection

prior to pressing the APR key.

GFC 600 Autopilot Installed in Piper PA-46-310P/350P

Page 32 of 46

If required for GPS approach without vertical guidance

NOTE

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