
Garmin G1000 Cockpit Reference Guide for the DA40/40F
190-00324-07 Rev. A
SECTION 11 – ABNORMAL
OPERATION
11-2
11.2 ABNORMAL COM OPERATION
When a COM tuning failure is detected by the system,
the emergency frequency (121.500 MHz) is automatically
loaded into the active frequency field of the COM radio
for which the tuning failure was detected. In the event of
a dual display failure, the emergency frequency (121.500
MHz) automatically becomes the active frequency to the
pilot through the pilot headset.
11.3 UNUSUAL ATTITUDES
The PFD will ‘declutter’ when the aircraft enters an
unusual attitude. Only the primary functions will be
displayed in these situations.
The following information is removed from the PFD
(and corresponding softkeys are disabled) when the air-
craft experiences unusual attitudes:
• Traffic Annunciations
• AFCS Annunciations
• Flight director Com
-
mand Bars
• Inset Map
• Temperatures
• DME Information
Window
• Wind Data
• Selected Heading Box
• Selected Course Box
• Transponder Status
Box
• System Time
• PFD Setup Menu
• Windows displayed in
the lower right corner
of the PFD:
– Timer/References
– Nearest Airports
– Flight Plan
– Messages
– Procedures
– DME Tuning
• Barometric Minimum
Descent Altitude Box
• Glideslope, Glidepath,
and Vertical Deviation
Indicators
• Altimeter Barometric
Setting
• Selected Altitude
• VNV Target Altitude
Red extreme pitch warning chevrons pointing toward
the horizon are displayed starting at 50 degrees above and
30 degrees below the horizon line.
Figure 11-2 Extreme Pitch Indication
11.4 STORMSCOPE OPERATION WITH
LOSS OF HEADING INPUT
If heading is lost, strikes and/or cells must be cleared
manually after the execution of each turn. This is to
ensure that the strike and/or cell positions are depicted
accurately in relation to the nose of the aircraft.
11.5 HAZARD DISPLAYS WITH LOSS OF
GPS POSITION
If GPS position is lost, or becomes invalid, selected
hazards being displayed on the Navigation Map Page
will be removed until GPS position is again established.
The icons in the lower right of the screen, indicating the
selected functions for display, will show an ‘X’, as shown
in Figure 11-3.
Figure 11-3 Loss of Hazard Functions
with Loss of GPS Position
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