TM 55-1510-219-10 additional 10 pitch up and 20°  right bank- Check. q. Engage autopilot command  DN  with AP pitch  wheel  and  engage  and  hold  AUTO PILOT  TRIM  TEST  switch  when  elevator trim wheel starts to rotate. r. Verify  that  autopilot  disengages  and  AP TRIM    FAIL    and    MASTER    WARNING lights illuminate within 10 seconds. 20. Avionics-Check as follows: a. NAV 1 (1) Frequency select knob (NAV panel)- Select a VOR frequency. (2) NAV   TEST   switch   (NAV   PANEL)- Press and hold. (3) RMI-Observe     that     single     needle indicates approximately 005°. (4) VOR/LOC  flag  -Check  that  flag  is out of view. (5) TO/FROM pointer-Check that pointer indicates TO. (6) HSI  course  deviation  bar-Check  for centered bar. (7) Marker beacon lights-Check that all three    lamps    are    illuminated    and flickering  at  approximately  a  30  Hz rate. (8) VOR  frequency  knob  (NAV  panel)- Select a LOC frequency. (9) HSI course deviation bar-Check that bar indicates a deflection of approximately     one     dot     right     of center. (10) HSI   glideslope   pointer-Check   that pointer    indicates    a    deflection    of approximately one dot below center. (11) Marker beacon lights-Check that all three    lamps    are    illuminated    and flickering  at  approximately  a  30  Hz rate. b. NAV 2 All  NAV  2  self-test  procedures  are  the  same  as those used for NAV 1, with the exception of the marker beacon test.  There is no marker beacon receiver in the NAV 2 system. c. TACAN (1) TEST  pushbutton -Press and hold. (2) Range indicator-Check for an indication    of    0.0   ± 0.1    nautical miles. (3) Pilot's COURSE SELECTOR switch-Select TACAN. (4) Pilot's    RMI    selector    switch-Select TACAN. (5) RMI   double   needle-Check   for   an indication of 180°   2°. (6) HSI   course   selector-Turn   to   180° and   adjust   slowly   until   the   course deviation  bar  is  centered.    The  bar should   center   between   a   selected course of 178 to 182°. (7) HSI course selector-Turn the selector    +    10° from    the    setting achieved  in  step  6,  and  check  that course deviation bar is located over the far left 10°  dot. (8) HSI course selector-Turn the selector + 10 from the setting (9) HSI course selector-Turn the selector -10° from the setting achieved  in  step  6,  and  check  that course deviation bar is located over the far right 10°  dot. (10) TO-FROM  indicator-Check  that  TO is indicated. (11) TEST pushbutton-Release. 21. Flaps-Check. 22. Battery switch-As required. 23. Toilet-Check. 24. Emergency equipment-Check. 25. Mission  equipment  and  circuit  breakers-Check and set. 26. Parachutes-Check (as required). 8-6