Garmin G3X Touch Pilot's Manual page 345

If Navigation Mode is active and either of the following occur, the AFCS
reverts to Roll Hold Mode (wings rolled level):
• Different VOR tuned while in VOR Navigation Mode (VOR Navigation
Mode reverts to armed)
• Active navigation source manually switched
• Active flight plan is deleted (only GPS-based modes)
• GPS reception is lost
If VOR Navigation Mode is active and the VOR signal is lost, the autopilot
reverts to Roll Hold Mode (wings rolled level) and reverts VOR Mode to armed
in the event the VOR signal is reestablished.
OBS MODE
Enabling/disabling OBS Mode (without external GPS navigator):
1) While navigating a flight plan or Direct-to, touch CRS on the PFD.
2) Touch Yes on the 'Set OBS and hold?' window.
3) Enter the desired course to/from the waypoint using the keypad and touch
Enter.
4) To cancel OBS Mode and return to automatic waypoint sequencing, touch
OBS on the PFD.
5) Touch Release OBS Hold.
Or:
1) From the Active Flight Plan Page press the MENU Key while navigating a
flight plan or Direct-to.
2) Touch Set OBS and Hold.
3) Touch Sync Course or enter the desired course to/from the waypoint using
the keypad and touch Enter.
4) To cancel OBS Mode and return to automatic waypoint sequencing, press
the MENU Key.
5) Touch Release Hold.
190-02472-00 Rev. D
Garmin G3X Touch ™ Pilot's Guide for Certified Aircraft
AFCS
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