Figure 3-22. Adding and deleting waypoints. Adding a Waypoint Deleting a Waypoint RNG PULL SCAN PUSH ON BRT PROC CRSR MSG OBS ALT NRST CLR ENT D MENU DTK 051 TK 15.8 nm TRACY LEG *CRSR* FPL 0  *CRSR* TRACY D l ti W i t RNG PULL SCAN PUSH ON BRT PROC CRSR MSG OBS ALT NRST CLR ENT D MENU DTK 051 TK 14.7 nm TRACY LEG *CRSR* FPL 0  *CRSR* REIG RNG PULL SCAN PUSH ON BRT PROC CRSR MSG OBS ALT NRST CLR ENT D MENU DTK 050 TK 5.2 nm REIGA LEG *CRSR* FPL 0  *CRSR* REIGA RNG PULL SCAN PUSH ON BRT PROC CRSR MSG OBS ALT NRST CLR ENT D MENU DTK 050 TK 4.8 nm REIGA LEG ENT *CRSR* FPL 0  *CRSR* Del REIGA ? Use cursor mode to select the waypoint you  want to insert the new waypoint before. Use the inner and outer knobs to enter the  new waypoint identifier. Then press to  confirm your choice. Use cursor mode to highlight the  waypoint you want to delete.  Then press . Press to confirm your modification. CLR ENT ENT 5. Determine that the display CDI sensitivity is  satisfactory for the segment being flown. En Route Modifications Adding and Deleting Waypoints From the  Programmed Route Direct To Part of the challenge of using FMS en route is dealing  with modifications to the planned flight route. This section  describes five en route modifications. All FMS/RNAV units allow en route (not published  departure, arrival or approach) waypoints to be added and  deleted to the programmed route. These techniques are  illustrated in  Figure 3-22. ATC may issue instructions to a point defined by a VOR  radial and DME value. The pilot must know how to enter  such a waypoint as a user waypoint, name it, and recall it. If  the unit’s memory is very limited, the pilot should also be  adept at removing the waypoint. Another simple modification is one that requires the pilot to  proceed directly to a waypoint. In some cases, the waypoint  to fly directly toward is one that already appears in the  programmed flight plan. In this case, the pilot simply selects  that waypoint in the flight plan and activates the direct-to  function, as illustrated in  Figure 3-23. The direct‑to waypoint now becomes the active waypoint.  After reaching this waypoint, the system proceeds to the next  waypoint in the programmed route. In other cases, you may be asked to fly directly to a waypoint  that does not already appear in the programmed flight  route. In this case, one strategy is to add the waypoint to  the programmed route using the technique illustrated in  Figure 3-22,  and then proceed directly to the waypoint using  the technique illustrated in  Figure 3-23.  Another option is  to use the direct-to function to get the flight started toward  the assigned waypoint, and then add the new waypoint to the  appropriate place in the programmed flight plan. 3-17