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190-00592-06 Rev. A
Garmin G1000 Pilot’s Guide for Diamond DA40/40F
377
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
GLIDESLOPE MODE (GS)
NOTE: Pressing the CWS Button while Glideslope Mode is active does not cancel the mode. The autopilot
guides the aircraft back to the glideslope upon release of the CWS Button.
Glideslope Mode is available for LOC/ILS approaches to capture and track the glideslope. When Glideslope
Mode is armed (annunciated as ‘GS’ in white), LOC Approach Mode is armed as the lateral flight director
mode.
Selecting Glideslope Mode:
1) Ensure a valid localizer frequency is tuned.
2) Ensure that LOC is the selected navigation source (use the CDI Softkey to cycle through navigation sources).
3) Press the APR Key.
Or:
1) Ensure that GPS is the selected navigation source (use the CDI Softkey to cycle through navigation sources).
2) Ensure a LOC/ILS approach is loaded into the active flight plan.
3) Ensure the corresponding LOC frequency is tuned.
4) Press the APR Key.
Figure 7-17 Glideslope Mode Armed
Once LOC is the navigation source, the localizer and glideslope can be captured. Upon reaching the glideslope,
the flight director transitions to Glideslope Mode and begins to capture and track the glideslope.
Figure 7-18 Glideslope Mode
NAV2 (localizer) is Selected
Navigation Source
Command Bars Indicate Descent
on Localizer/Glideslope Path
Glideslope
Indicator
Approach
Mode Active
Glideslope
Mode Active
Active ILS
Frequency Tuned