TM 1-1510-225-10 3D-15 2.   Press the   D   button.  The Direct To page is displayed on the left side and it contains the desired waypoint identifier. 3.   Press   the    ENT   button   to   approve   the waypoint page displayed on the right side.   The  right  side  will  now  display  the  NAV  1 page  and  the  left  side  will  return  to  the page that was displayed prior to pressing the  D    button.  If the direct to was started while  the  NAV  1  page  was  shown on the left side, the left and right pages will revert to  the  pages  that  were  shown  before  the direct    to    was    started.        The    selected waypoint    is    now    the    active    direct    to waypoint. d.  Recentering   the   Deviation   Bar.       To   re- center   the   deviation   bar   to   proceed   to   the   same waypoint and perform the following: 1.   Select   a   non-waypoint  page  (NAV,  D/T, REF, or CTR) or the Active Waypoint page on the right side. 2.   Press the   D   button.  The Direct To page is   displayed   on   the   left,   containing   the active waypoint identifier. 3.   Press the ENT button. NOTE If the KLN 90B is in the approach mode and this method is used to center the deviation bar when the missed approach point is the active waypoint, the approach mode will be canceled   and   the   unit   will   revert   to   the approach  arm  mode.    A  missed  approach will have to be executed. e.   Proceeding  Directly  to  Another  Waypoint.   Proceed   direct   to   another   waypoint   other   than   the active waypoint, by using Direct To procedure 1 or 2 at any time. f.    Canceling     Direct     To     Operation.          The primary    reason    for    wanting    to    cancel    direct    to operation is to return to flight plan operation. 1.   Press the   D    button. 2.   Press the CLR button. 3.   Press the ENT button. g.  Waypoint Alerting for Direct To Operation.   Approximately 36 seconds prior to reaching a direct to waypoint,  the  arrow  preceding  the  waypoint  identifier on the waypoint page for the active waypoint will begin flashing.      This   arrow   will   also   be   flashing   on   any navigation  page  or  any  distance/time  page  displaying the  active  waypoint  identifier.    On  the  Super  NAV  5 page,  the  entire  waypoint  identifier  will  start  to  flash.   This is called waypoint alerting.  The external waypoint annunciator will begin flashing at the same time. 3D-10.  NAVIGATION PAGES. The KLN 90B has six navigation pages.  Unlike any  other  pages,  these  pages  may  be  selected  and viewed on both the left and right sides of the screen. a.   NAV   1   Page.      The   NAV   1   page,   Figure 3D-10, displays the following information. (1)   The  Active  Navigation  Leg.  For direct to operation, this consists of    D  followed by  the active DIRECT TO waypoint identifier.  For the leg of a flight plan, this consists of the FROM waypoint identifier and the   active   TO   waypoint   identifier.      An   arrow   (® ) precedes the active waypoint identifier. KHPN  KOSH DIS   683NM GS    193KT ETE    3:34 BRG    303^o +    +    +    +    +        +    +    +    +    + NAV 1 Figure 3D-10.  NAV 1 Page (Flight Plan Operation) (2)   A  Course  Deviation  Indicator  (CDI)  that displays left and right deviation from the desired track.   A  vertical  bar  operates  like  a  navigation  needle  on  a conventional  CDI  or  EHSI.    Each  dot  represents  one nautical   mile   deviation   from   the   desired   track,   five nautical miles full scale deflection.  The center triangle also  serves  as  the  CDI’s  TO /  FROM  indicator.    The word  FLAG  is  displayed  over  the  CDI  when  the  KLN 90B is not usable for navigation. NOTE It is possible to change the CDI scale factor to  be  0.2  NM  per   dot,  1  nautical  mile  full- scale deflection, or 0.06 nm per dot, 0.3 nm full scale defection.