TM 1-1510-218-10 3B-52 c.     ENTER key  –  Press  to  enter the   identifier.      The   waypoint page will automatically display. (1)   If the waypoint identifier is contained in system memory, (waypoint latitude  and  longitude  are listed on waypoint page). d.    Cursor  - or  ¯  key  – Press, if necessary,    to    place    cursor field over APPROVE?. e.    ENTER   key   –   Press.      The initialization   page   will   again appear   with   the  cursor   over APPROVE?.      Continue   with step 4. (1)   If the waypoint identifier is not  contained  in  memory (no   latitude   or   longitude entry  and  the  cursor  over REF NAME: field).) f. REF     NAME:     –     Input     the identifier of a navaid or location  contained  in  system memory  from  which  the  new waypoint can be referenced. g.    ENTER key  –  Press  to  enter the identifier. h.    RAD:   –   Input   the   radial   in degrees     and     tenths     of     a degree    from    the    navaid    or location   in   the   REF   NAME field   to   the   waypoint   being defined. i. ENTER key  –  Press  to  enter the radial into memory. j. DIS:   –  Input  the  distance  to the nearest tenth of a nautical mile from the navaid or location   in   the   REF   NAME data    field    to    the    waypoint being defined. k.     ENTER key  –  Press  to  enter the distance into memory. l. ENTER key  –  Press  twice  to advance    the    cursor    to    the APPROVE? field. NOTE Steps a through g may be skipped and the latitude    and    longitude    input    directly,    if known. m.   ENTER key – Press to approve   the   waypoint   page.   The    initialization    page    will appear   with   the   cursor   over APPROVE?. 4.    EST GS: a.    If on the ground, verify that 0 is displayed. b.    If in flight, Press  -  to position cursor    over    EST    GS:    data field, input estimated groundspeed, and press ENTER. 5.    APPROVE?   –   Press   ENTER   to approve   all   of   the   data   on   the initialization   page   and   enter   the data into memory.  The first of the flight plan menu pages (FPLS) will now appear. (b)   Procedure B. 1.    DATE: – Check.  If incorrect, enter the    correct    Greenwich    date    in sequence day month-year. 2.    GMT:  – Check.  If incorrect, enter the correct Greenwich mean time. 3.    POS:   –   Check   the   last   known system-generated     position.          If incorrect, proceed as follows. a.    Cursor -  or  ¯  key  – Press so that  the  cursor  appears  over the latitude position. b.    Latitude – Input.  Use North or South   key   first,   followed   by the known latitude in degrees, minutes     and     tenths     of     a minute. c.     ENTER key  –  Press  to  enter the latitude into memory.