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d.  Procedure   to   Enter   Route-Sequence   Random Mode
Table  3-3-4.   Map Datum Codes

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM  1-1520-240-10            3-3-31 (7) Depress KYBD key. (SELECT field blinks.) Enter Y (yes) for mode selection. N may be entered to arm  the  system  but  without  entering  the  Route-Se- quence-Consecutive  mode,  or  to  exit  the  Route-Se- quence-Consecutive mode if the system is currently in that mode. An entry of Y or R indicates a choice of Y-flying in the forward order, or R-flying in reverse order. NOTE If an entry is changed after Y or R is entered for selection, and N must be entered for the selection then it may be changed to Y or R. The sequence must be flown from the begin- ning waypoint. No target destinations or des- tinations with target motion may be included as Route Sequence Consecutive waypoints. f.  Procedure  for  Displaying  Distance/Bearing/Time Information. (1) Set MODE switch to MGRS (LAT/LONG or GPS LDG may also be used). (2) Set DISPLAY switch to DIS/BRG/TIME. (3) Observe that the distance-to-go in kilome- ters (to the fly-destination), bearing, and time-to-go ap- pears on the bottom two lines of the display. (Distance is in  nautical  miles  when  MODE  switch  position  is  LAT/ LONG.)  Bearing-to-destination  is  displayed  in  hours, minutes, and tenths of a minute. (4) The display of the second line depends on the current steering mode as follows: (a) Direct-To Steering (default): Fly-to des- tination number and ICAO identifier are displayed. Ex- ample: 58:BANDO (b) To-To   Steering:   TO-TO-:XX   TO   YY where XX is the ’To-To’ start-of-leg destination number, and YY is the ’To-To’ fly-to destination number. (c) Route-Sequence  Steering  (both  con- secutive and random): RT-RANDOM: XXTOYY where XX is current Route-Sequence fly-to destination number, and YY is the next destination number in the sequence. Approximately  10  seconds  before  overflying  the  fly-to destination, the system automatically ’pickles’ to the next destination, and the new fly-to number blinks for 10 sec- onds then stops blinking. g.  Procedure  for  Displaying  Present  Position  and GPS Altitude (1) Set the MODE switch to MGRS (LAT/LONG or GPS LDG may also be used). Set the DISPLAY switch to PP and observe present position display. (2) To  display  present  position  variation  and GPS altitude depress the ENT key. Present position vari- ation may be entered by depressing the KYBD key to select the variation field. A variation is entered and the ENT key is depressed. h.  Target Store (TGT STR) Operation Two methods may be used for target store operation. Method 1 is normally used when time is not available to preplan a target store operation. Method 2 is used when time is available and it is desired to store a target in a specific location. Method 1 (uses location 90-99) (1) Depress the TGT STR key while flying over target. (2) Present position and variation are automati- cally stored in the target destination location which was displayed in the target store field immediately prior to depressing the TGT STR key. Method 2 (uses locations 00-69 and 90-99) 1.   Set MODE switch to MGRS or LAT/LONG position, depending on coordinate from de- sired. 2.   Set display switch to WP/TGT position. 3.   To  access  P,  depress  the  LTR  LEFT  key followed by the 6 key. Another way to ac- cess P, is to display waypoint 99 then de- press the INC key or display waypoint 00 then depress the DEC key. 4.   Depress KYBD key when overflying poten- tial target. Observe that display freezes and kybd is displayed in the bottom right corner of  the  display  indicating  keyboard  mode. The destination number is now under key- board control indicated by a blinking field. CAUTION Do not depress ENT key while destination is set to P. 5.   If it desired to store the target enter the two digit  destination  number  and  depress  the ENT key. 6.   If is not desired to store the target , set the DISPLAY  switch  momentarily  or  perma- nently to another position. i.  Procedure for Entering Landing Mode (1) Set the Fly-to destination by setting the DIS- PLAY  switch  to  either  XTK/TKE/KEY  or  DIST/BRG/ TIME. Directly enter the two digit destination number or use the INC or DEC keys. (2) Set MODE switch to GPS LDG. (3) The DISPLAY switch continues to function as before. To switch between metric and English units, depress the ENT key.







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