Pilot's Guide

190-01255-01 Rev. A
Garmin G1000H
™
Pilot’s Guide for the Bell 407GX
75
FLIGHT INSTRUMENTS
•Whentheaircraftaltitudedescendstowithin2500feetoftheMDA/DHsetting,theBAROMIN,RAMIN,or
COMPMINboxappearswiththealtitudeincyan(ormagentaforCOMPMIN)text.Thebugappearsonthe
altitudetapeincyan(ormagentaforCOMPMIN)onceinrange.
•Whentheaircraftpassesthrough100feetoftheMDA/DH,thebugandtextturnwhite.
•OncetheaircraftreachesMDA/DH,thebugandtextturnyellowandtheauralalert,“Minimums.Minimums”,
is heard.
Figure 2-44 Barometric MDA/DH Alerting Visual Annunciations
Within 100 ft
Altitude Reached
Within 2500 ft
Barometric
Minimum
Box
Barometric
Minimum
Bug
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.Thefunctionisresetwhenthepoweriscycled.
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, TEMP COMP, or RAD ALT. 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 when BARO or TEMP COMP is
selected, or up to 2,500 feet when ‘RAD ALT’ is selected).
5) If TEMP COMP was selected, press the ENT Key or turn the large FMS Knob to highlight the next field and then
enter the temperature (-59˚Cto59˚C)
6) To remove the window, press the CLR Key or the TMR/REF Softkey.
Figure 2-45 BARO and TEMP COMP MDA/DH