Garmin GDU™ 37X Pilot’s Guide 190-01054-00 Rev. E90Flight PlanningOverviewGPS NavigationFlight PlanningHazard AvoidanceAdditional FeaturesAppendicesIndex5) With the desired flight plan leg highlighted (blue), press the ENT Key (theflight plan leg turns magenta). This will grab the flight plan leg.6) Using the FMS Joystick, drag the flight plan leg to highlight the desiredwaypoint to be added. Selected WaypointActive Flight Plan Page (Waypoint Selected with Map Pointer)7) With the desired waypoint highlighted, press the ENT Key. The flight planis now modified to include the added waypoint.8) Press the DONE Softkey (from the Flight Plan List Page only).EDITING SPEED, FUEL FLOW, AND FLIGHT PLAN NAMEThe Plan Speed and Fuel Flow fields are for flight planning purposes. The valuesentered are used by the GDU 37X to estimate flight plan parameters such as ETE andFuel Required (FUEL REQD). When on the ground or when reviewing a saved flightplan the GDU uses Plan Speed to estimate values. When in the air the Plan Speed valueon the Active Flight Plan Page is replaced by actual GPS groundspeed. The GDU 37Xdoes not have a means of measuring fuel flow so the entered Fuel Flow value is stillused for fuel related calculations.Adjusting the Active Flight Plan fuel flow:1) Press the FPL Key and turn the FMS Joystick to display the Active FlightPlan Page.2) If an external navigator is configured, press the INTERNAL Softkey.3) Press the FMS Joystick to activate the cursor, and move the FMS Joystick tohighlight the ‘Plan Fuel’ field.4) Using the FMS Joystick, enter the desired plan flow, and press the ENT Key.