Garmin G3X Pilot's Manual page 125

Waypoint—Enter any waypoint along the currently active route as the
•
reference waypoint. The reference waypoint defines the target location.
Profile—Enter the descent rate.
•
Altitude—Enter the desired reference waypoint altitude. Select 'Above
•
Waypoint' to use field elevation for airports in the Jeppesen database or 'MSL'
to specify an exact MSL altitude target.
By—Enter the target location with settings of distance 'Before' or 'After' a
•
reference waypoint. To set a target location at a reference waypoint, enter a
distance of zero.
VNAV Messages—Select 'On' or 'Off' to enable/disable VNAV alert messages.
•
Enabling/disabling the VNAV indicator:
1) From the full-screen PFD and/or the split-screen PFD Page, press the MENU
Key.
2) Move the FMS Joystick to highlight the VNAV Indicator field.
3) Turn the FMS Joystick to highlight 'On' or 'Off'.
190-01115-00 Rev. K
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Garmin G3X Pilot's Guide
Flight Instruments
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