CHAPTER 4 REFERENCE GUIDE
EFD1000 PRO MAX PFD Pilot’s Guide
Page 4-62
091-00005-002 ()
When flying an ILS on a WAAS GPS, the autopilot in HDG mode can use the GPSS to fly
the full course reversal automatically, and the GPS will automatically switch to VLOC
once established inbound to the Final Approach Fix. But the pilot must then engage the
Approach mode on the autopilot to track the localizer and couple to the glideslope.
Several conditions can cause GPSS to be disabled automatically (switching to a different
GPS steering source on the PFD, losing the GPS navigator source, canceling the flight
plan, etc.). If this happens, the PFD will send a Wings Level command to the autopilot
when in HDG mode, the GPSS Hot Key will annunciate the condition by showing GPSS
in inverse amber, and the GPSS# and inverse A annunciation at the top of the
Navigation Display will be shown with a red slash. (See Figure 4-108). To re-engage
GPSS, select a valid GPS navigation source (with valid flight plan or direct-to selection
on the GPS navigator), and then press the GPSS Hot Key. If a valid GPSS signal cannot
be restored, pressing the GPSS Hot Key will cancel GPSS mode and restore the Heading
Bug’s output to the autopilot.www
WARNING
It is your responsibility as Pilot in Command to ensure
that you are familiar with the operation of all installed
equipment. Operation of the PFD in IMC conditions
should not be attempted unless you are proficient in
its use and operation, as described herein.
NOTE
Refer to the autopilot systems Aircraft Flight Manual
Supplement and/or POH for details regarding use and
operation of the autopilot system.
Examples here are provided for reference only, based on
operation of the Bendix/King KFC-200 autopilot, and
actual operation may vary depending on the autopilot
system installed in your aircraft.
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