Flying with the EXP5000
600-00157-000 Rev. 06
-35-
Entegra EXP5000 PFD
The autopilot intercepts and flies the active plan of the navigation
source selected on the PFD:
■
Nav = GPS1 or GPS2 (GPS flight plan), or
■
Nav = VLOC1 or VLOC2 (VOR or localizer).
The EXP5000 and the autopilot control head annunciate NAV.
If you select a localizer, the autopilot will automatically engage
APR mode. The EXP5000 and autopilot annunciate NAV APR.
In APR mode, the Heading Bug is hollow and remains at its last
set value, which may not be aligned with the Nav course.
Glideslope capture is supported while in NAV APR ALT mode.
●
GPS Roll Steering Mode
(
GPSS Mode
) - In GPSS mode, the
autopilot flies the active flight plan of the selected GPS (Nav =
GPS 1 or GPS 2). Because GPSS is more accurate, Avidyne
recommends that for navigation, you use GPSS mode during
autopilot operations.
■
To engage the GPSS mode, on the autopilot control head,
press the NAV button twice.
The GPS commands the autopilot to fly legs of the entered flight
plan. The EXP5000 and the autopilot control head annunciate
GPSS. The Heading Bug, which is not used, is hollow and
remains at its last set value, which may not be aligned with the
current course.
!
If a VLOC is selected in NAV on the PFD and GPSS mode is
engaged on the autopilot, the autopilot will track the active
flight plan in GPS 1 if VLOC 1 is selected or GPS 2 if VLOC 2
is selected. It will not track VLOC 1 or VLOC 2 as the selected
source in NAV on the PFD. Therefore the course deviation on
the PFD CDI and the course deviation flown by the autopilot
can be different. This situation may be confusing and should
be avoided.
During this condition, the normally green “GPSS”
annunciation on the PFD changes to amber to alert you of this
condition.
Summary of Contents for Envision EXP5000
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