Garmin G1000 NXi Pilot's Manual page 190

FLIGHT MANAGEMENT
Reselecting the direct course from the current position:
1) Press the Direct-to Key. The Direct-to Window is displayed with the destination field highlighted.
2) Press the ENT Key. The cursor is now displayed on 'Activate?'.
3) Press the ENT Key again to activate the direct-to.
A direct-to with altitude constraints creates a descent path (and provides guidance to stay on the path) from the
aircraft' s current altitude to the altitude of the direct-to waypoint. The altitude is reached at the waypoint, or at the
specified distance along the flight path if an offset distance has been entered. All VNV altitudes prior to the direct-
to destination are removed from the active flight plan upon successful activation of a direct-to destination that is
part of the active flight plan. All VNV altitudes following the direct-to waypoint are retained. See the section on
Vertical Navigation for more information regarding the use and purpose of VNV altitudes and offset distances.
Entering a VNV altitude and along-track offset for the waypoint:
1) Press the Direct-to Key to display the Direct-to Window.
2) Turn the large FMS Knob to place the cursor over the 'VNV' altitude field.
3) Enter the desired altitude.
4) Press the ENT Key to accept the altitude constraint.
5) If the selected waypoint is an airport, an additional choice is displayed. Turn the small FMS Knob to choose
'MSL' or 'AGL'.
6) Press the ENT Key. The cursor is now flashing in the VNV offset distance field.
7) Enter the desired along-track distance before the waypoint.
8) Press the ENT Key. The 'Activate?' field is highlighted.
9) Press the ENT Key to activate.
Removing a VNV altitude constraint:
1) Press the Direct-to Key to display the Direct-to Window.
2) Press the MENU Key.
3) With 'Clear Vertical Constraints' highlighted, press the ENT Key.
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Garmin G1000 NXi Pilot's Guide for Cessna Nav III
190-02177-00 Rev. A