Garmin G3X Touch Pilot's Manual page 311

Or:
If FPL Source > External is selected on the Flight Plan Page, the flight
plan is automatically pushed to the external navigator. A message flashes
on the external navigator to prompt the pilot to review and accept the
flight plan. The pilot can then choose to save or activate the transferred
flight plan on the external navigator.
Pairing the G3X Touch to a GDL:
NOTE: Bluetooth pairing is not necessary, and should not be performed, on
a display where the GDL is hardwired to the display.
1) Power on the GDL. The GDL will automatically enter Bluetooth pairing
mode.
2) Press the MENU Key twice.
3) Touch Setup > Bluetooth.
4) If Bluetooth is set to Off, touch the Bluetooth
5) Touch On. The G3X Touch will begin searching for devices.
6) When the G3X Touch has completed the search for available devices, touch
Not Paired next to the GDL.
190-01754-00 Rev. L
Flight Plan Received Notification
Garmin G3X Touch Pilot's Guide
Additional Features
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