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Garmin G1000 Pilot’s Guide for the Beechcraft A36/G36
190-00595-01 Rev. B76
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICESINDEX
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 lower left of the Altimeter and with a bug at the corresponding altitude along the Altimeter
(once the altitude is within the range of the tape). The following visual annunciations occur when approaching
the MDA/DH:
• When the aircraft altitude descends to within 2500 feet of the MDA/DH setting, the ‘BARO MIN’ box appears
with the altitude in light blue text. The bug appears on the altitude tape in light blue once in range.
• When the aircraft passes through 100 feet of the MDA/DH, the bug and text turn white.
• Once the aircraft reaches the MDA/DH, the bug and text turn yellow and the aural alert, “Minimums
Minimums”, is generated.
Figure 2-42 Minimum Descent Altitude/Decision Height Alerting Visual Annunciations
Altitude ReachedWithin 100 feetWithin 2500 feet
MDA/DH Setting
MDA/DH Bug
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 (Figure 2-43).
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 2-43 Minimum Descent Altitude/Decision Height Setting
(Timer/References Window)
Alerting is inhibited while the aircraft is on the ground and until the aircraft reaches 150 feet above the setting
for the alert. If the aircraft proceeds to climb after having reached the MDA/DH, once it reaches 50 feet above
the MDA/DH, alerting is disabled.