TM 55-1510-215-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
DURING CRUISE (CONT)
(c)
If the pattern shifts to the left
around the second range mark,
slowly adjust the ROLL TRIM
potentiometer until the terrain
band is displayed throughout the
third range marks. Usually a
counterclockwise adjustment is
required.
(d)
If the pattern shifts toward the
center of the second and third
range marks, there is no roll
stabilization.
NOTE
Refer to TM 1-300 for weather observation, interpretation, and
application.
e.
NAV switch - Press, verify nav-
K45
igation data displayed as selected by
GRAPHICS INS/ FMS switch.
f.
Ground mapping operating procedure:
MODE switch - MAP.
g.
Standby procedure: Function switch -
STBY.
2-68