TM 1-1510-225-10 3A-97 1.   PLAN  key   –   Press   to   display   Fuel Status page. NOTE REMAINING  and  RESERVE  quantities  are stored in nonvolatile memory after system shutdown.    Upon  system  turn-on, VERIFY INPUTS will be displayed and REMAINING, RESERVE, and FLOW values will flash. 2.   Line  select  key    –   Press   to   position cursor over REMAINING field. 3.   Fuel   quantity   remaining   –   Verify   or insert. 4.   ENTER key – Press. 5.   Fuel reserve – Verify or insert. 6.   ENTER key – Press. NOTE No    fuel    flow    entry    is    required    in    the automatic   fuel   flow   mode.      All   flashing fields  must  be  verified  or  values  inserted using the ENTER key, in order for HOURS, RANGE,    and    NM/LB    fields    to    display information. 7.   Fuel flow  – Insert or verify. 8.   ENTER key  – Press.  If a manual fuel flow  is  entered,  the  VERIFY  INPUTS message    changes    to    LAST    INPUT and   sets   the   time   at   :00   minutes.   (MAN)   will   be   displayed   adjacent   to the FLOW field. When    the    LAST    INPUT    field    exceeds    15 minutes,   the   REMAINING,   RESERVE,   and   FLOW fields blink indicating verification or update is required.   REMAINING,  RESERVE,  and  FLOW  fields  will  blink.   Verify input is required (repeat steps 2 through 7). 9.   Data  –  Check.    HOURS  of  fuel  and RANGE are calculated to the RESERVE  fuel,  not  zero  fuel,  unless the RESERVE fuel is zero. RANGE  and  NM/LB  or  NM/KG  (specific  range) are calculated based on current groundspeed.   Dashes  are  displayed  for  these  values  until  a  valid groundspeed is acquired. (a)   Changing  Unit  Of  Measurement  (LB Or KG). 1.   Line select key – Press to position the cursor over the unit field, LB or KG. 2.   BACK key  –  Press.    The  field  will display  LB?  or  KG?  to  notify  the pilot of the pending change. 3.   ENTER  key   –  Press.    The  units field  on  the  title  line  and  specific range   line   will   change.      All   fuel figures  are  recalculated  to  reflect the new units of measurement. (2)   Trip    Planning.        The    Trip    Plan    page provides   the   capability   to   calculate   information   for active   or   stored   flight   plans,   DIRECT   TO   legs,   or random legs without affecting the system's navigation functions. 1.   PLAN key – Press to display Trip Plan page. NOTE Initially the Trip Plan page will display the active flight plan (if present).  The initial leg displayed  will  be  DIRECT  TO  the  current TO waypoint on the active flight plan or the first    TO    waypoint    on    the    flight    plan selected. 2.   Line select key – Press to position the cursor over the TRIP PLAN field. 3.   Desired  flight  plan  –  Insert  flight  plan number or A for active flight plan. 4.   ENTER key – Press. NOTE If  a  flight  plan  number  is  left  in  the  TRIP PLAN   field   and   not   returned   to   A,   no updated  active  flight  plan  information  will be displayed. 5.   FR     waypoint     Verify     or     insert     as required.  If DIRECT is displayed go to step 7. 6.   ENTER key – Press. 7.   TO   waypoint    –   Verify   or   insert   as required.