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190-00592-06 Rev. A
Garmin G1000 Pilot’s Guide for the Diamond DA40/40F
73
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
MINIMUM DESCENT ALTITUDE/DECISION HEIGHT ALERTING
For altitude awareness, a barometric Minimum Descent Altitude (MDA) or Decision Height (DH) can be set
in the Timer/References Window and is reset when the power is cycled. When active, the altitude setting is
displayed to the bottom left of the Altimeter. Once the altitude is within the range of the tape, a bug appears
at the reference altitude on the Altimeter. The following visual annunciations occur when approaching the
MDA/DH:
•Whentheaircraftaltitudedescendstowithin2500feetoftheMDA/DHsetting,theBAROMINboxappears
with the altitude in light blue text. The bug appears on the altitude tape in light blue once in range.
•Whentheaircraftpassesthrough100feetoftheMDA/DH,thebugandtextturnwhite.
•OncetheaircraftreachesMDA/DH,thebugandtextturnyellowandtheauralalert,“Minimums.Minimums”,
is heard.
Figure 2-40 Barometric MDA/DH Alerting Visual Annunciations
Barometric
Minimum
Box
Barometric
Minimum
Bug
Light Blue Within 2500 ft Yellow When Altitude ReachedWhite Within 100 ft
Setting the barometric Minimum Descent Altitude/Decision Height and bug:
1) Press the
TMR/REF
Softkey.
2) Turn the large FMS Knob to highlight the Minimums field.
3) Turn the small FMS Knob to select BARO. Off is selected by default. Press the ENT Key or turn the large FMS
Knob to highlight the next field.
4) Use the small FMS Knob to enter the desired altitude from zero to 16,000 feet.
5) To remove the window, press the
CLR
Key or the
TMR/REF
Softkey.
Figure 2-41 Barometric MDA/DH
Alerting is inhibited while the aircraft is on the ground and until the aircraft reaches 150 feet above the MDA.
If the aircraft proceeds to climb after having reached the MDA, once it reaches 50 feet above the MDA, alerting
is disabled.