TM 1-1510-223-10 8-8           Change 3 (2)   WPT  LIST  (R4)  —  Depress.  WPT numbers 10-59 are shown. The WPT select window surrounds a WPT line. (3)   Waypoint string (line number), WPT ID,  and  LAT/LONG  (coordinates)  — Enter into scratch pad. (4)   ADD/SEL  (R1)  —  Depress  to  load WPT into system. (5)   If  using  the  DTS  when  the  desired data   set   is   boxed   on   the   DATA TRANSFER page — Load waypoint list using the data transfer system by depressing NAV DATA (L2). b.   Flight plan — Build as follows: (1)   WPT numbers — Enter into a scratch- pad in order of desired use (up to nine) or box desired WPT’s and PREV (R2) or  NEXT  (R3)  and  depress  LOAD SCRATCH PAD (L5). (2)   ROUTES (R5) — Depress. (3)   Route  —  Select  1st,  2nd,  or  3rd  to enter  WPT  numbers  by  depressing the appropriate line button to store the WPTs. (4)   Routes to use as the active FPLN — Select and depress the adjacent line button to box it. (5)   NEW FPLN (L1) — Depress to acti- vate the FPLN. c.   TACAN list — Build as follows: (1)   Mode switch B — Depress to select FPLN page. (2)   TACAN LIST (R5) line selection but- ton — Depress. (3)   TACAN station information (list num- ber, ID, channel number, latitude/lon- gitude, and station elevation) — Enter into scratchpad. (4)   ADD/SEL (R1) line selection button — Depress to load into system or load TACAN list using the DTS by depress- ing   NAV   DATA   (L1)   on   the   DATA TRANSFER page. (5)   TACAN stations to be used for updat- ing — Select and enter into scratch- pad. (6)   TACAN  SELECT  (R4)  line  selector button — Depress. d.   Pattern steering mode — Program as fol- lows: (1)   Mode switch B — Depress to select FPLN page. (2)   NAV SETUP (R5) line selection but- ton — Depress. (3)   True  bearing  —  Enter  into  scratch- pad. (4)   BEARING  (L1)  line  selection  button — Depress. (5)   Leg   length   in   NM   —   Enter   into scratchpad. (6)   LEG LENGTH (L2) line selection but- ton — Depress. (7)   TURN DIRECTION (L3) line selection button — Depress to select LEFT or RIGHT. (8)   Offset  distance  in  NM  —  Enter  into scratchpad. (9)   OFFSET (L4) line selection button — Depress. e.   Waypoint move mode — Program as fol- lows: (1)   True  bearing  —  Enter  into  scratch- pad. (2)   BEARING (R1) line selection button — Depress. (3)   Range  in  NM  —  Enter  into  scratch- pad. (4)   RANGE (R2) line selection button — Depress. 26.   Avionics — Check as follows: a.   VHF communication radios (#1 and #2) — Press TEST and observe the following: (1)   Normal — Dashes displayed in active display and 00 in preset display. (2)   Fault — “DIAG” in active display and a two digit fault code in preset display.