Garmin GTN 650Xi Series Pilot's Manual page 176

Navigation
Active Leg
Delete any existing flight plan before attempting to graphically edit a direct-to
waypoint. Map does not allow the addition of an intermediate waypoint
between the current position and a direct-to waypoint unless the waypoint is in
the flight plan.
3-34
Active route identifiers also appear
on the GPS NAV status indicator.
If configured, a user field shows
active route identifiers on Map.
Pilot's Guide 190-02327-03 Rev. C