EFD1000H PFD Pilot’s Guide
Page 6-16
091-00012-001 REV C
EFD1000H PFD Pilot’s Guide
Page 6-17
091-00012-001 REV C
CHAPTER 6
EXP
ANDED EMERGENC
Y AND ABNORMAL PROCEDURES
The Wings Level mode removes roll steering inputs to the autopilot, causing the
aircraft to roll wings level, and displays a red slash through the annunciated A HDG and
GPSS# source. The amber GPSS Hot Key label requires pilot action. If this occurs, do the
following:
When GPSS Automatically Changes to Wings Level Mode
1. Check the configured GPS source.
2. Check the PFD Selected CDI Navigation Source.
3. If the selected GPSS source is restored or changed and GPSS is still desired,
press the GPSS Hot Key to activate GPSS (The GPSS Hot Key label turns inverse
green).
Disable GPSS
1. Adjust the PFD HDG bug as desired.
2. Check or set the Autopilot Control Panel modes as desired.
3. Press the GPSS Hot Key until the Hot Key label turns gray (
Figure 6-11
).
NOTE
The configured GPS source must provide an active flight plan (or Direct-To waypoint) for
GPSS to remain engaged or to be restored.
When the PFD navigation source is changed to another configured GPS or VLOC source
for longer than 2 seconds, the GPSS Enabled mode will change to Wings Level. The pilot
must then press the GPSS Hot Key to restore or disable GPSS, as desired.
Figure 6-11
GPSS Disabled
NOTE
When the GPSS is enabled and the autopilot is
engaged in the Heading (HDG) mode, disabling the
GPSS will cause the autopilot to follow the HDG Bug.
