TM 1-1510-218-10 3B-51 LOC  signals  provide  left/right steering     information.          The DME display provides distance    to    the    station    in nautical miles.  Also, the DME slave    indicator    will    display distance, groundspeed in knots,   and   time   to   station.   The  bearing  pointer  provides bearing    information    derived from  either  the  ADF  1  or  the NAV 1 receiver depending on whether ADF or NAV is selected by the RMI selector. (3)   Pilot's and Copilot's RMI. FMS     – With FMS selected, the single bar   needle   provides   bearing information derived from either   the   ADF   or   the   KNS- 660    depending    on    whether ADF   or   NAV   is   selected   on the RMI. NAV     – With NAV selected, the single bar   needle   provides   bearing information derived from either  the  ADF  or  the  NAV  1 receiver depending on whether ADF or NAV is selected on the RMI. p.    FMS Operating Procedures. NOTE Operation  must  be  in  conformity  with  the KNS -660    Pilot's    Guide,    P/N    0068394-00, dated November 15, 1984 or later. (1)   Turn  On Procedures. 1.   ON  /  OFF rocker switch   –  Press  top half.  Allow 8 to 10 seconds for initial warmup. 2.   BRT   /   DIM   rocker   switch   –   Adjust screen brightness as desired. (2)   Self Test. 1.   Self-test page  –  Check  that  SYSTEM OK is being displayed. NOTE If    SYSTEM    FAIL    is    displayed,    turn    the system   off   and   then   back   on   using   the ON/OFF   rocker   switch.      If   SYSTEM   FAIL continues  to  display,  the  system  requires service and must not be utilized. 2.   Navigation   instruments   –   Check   as prompted by self-test page. a.   RMI pointer on 130°. b.   DME display reads 34.3 NM. c.   Course selector slewed to 315°. d.   Course deviation indicator displaying 3 dots right. e.   VNAV deviation indicating 3° up. 3.   Remote annunciators – Check ON. 4.   ENTER key Press to verify satisfactory    completion    of    self    test page items. (3)   Initialization Page. CAUTION Position   accuracy   in   initialization   is   very important,   since   it   is   possible   that   the amount of initialization error will be carried by the system throughout the flight. Either one of the following initialization procedures may be used. (a)   Procedure A. 1.     DATE:  Check.    If  incorrect,  enter the    correct    Greenwich    date    in sequence (day-month-year). 2.     GMT:  Check.    If  incorrect,  enter the correct Greenwich time. 3.     POS:     Check     the     last     known system    generated    position.        If incorrect, procedure as follows: a.     Cursor  -  or  ¯  key  – Press so that  the  cursor  field  appears over the WPT ID: data field. b.     Known  ICAO  airport  identifier or waypoint identifier – Input.