Garmin G1000 NXi Pilot's Manual page 377

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 if
necessary).
3) Press the APR Key.
Or :
1) Ensure that GPS is the selected navigation source (use the CDI Softkey to cycle through navigation sources if
necessary).
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.
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.
Pressing the CWS Button while Glideslope Mode is active does not cancel the mode. The autopilot
NOTE:
guides the aircraft back to the glideslope upon release of the CWS Button.
190-02177-00 Rev. A
Figure 7-22 Glideslope Mode Armed
Active ILS
Frequency Tuned
NAV2 (localizer) is Selected
Navigation Source
Figure 7-23 Glideslope Mode
Garmin G1000 NXi Pilot's Guide for the Cessna Nav III
AUTOMATIC FLIGHT CONTROL SYSTEM
Approach Glideslope
Mode Active Mode Active
Glideslope
Indicator
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