TM 1–1520–238–T–1
4–46
Change 5
4–7 MSL SYSTEM – INTERACTIVE FD/LS
4–7
CHECK (cont)
TASK
RESULT
n. On DEK, rotate
DATA ENTRY switch
to FD/LS (ADC). On
CDU select FDLS
FAB (ADD).
If there are no system
failures, the following
message (prompt) appears:
ANY KEY FOR FD/LS
MENUS
When a list of failures is
displayed, the list is scrolled
by pressing and releasing the
ENTER/ SPACE key on the
DEK (ADC) or SPC key on
the CDU (ADD). Scroll until
the following message
(prompt) appears:
ANY KEY FOR FD/LS
MENUS
o. Obtain maintenance
menu by pressing
and releasing any
DEK key except
ENTER SPACE or
SHIFT (ADC); or any
CDU key except
SPC (ADD).
NOTE
Once HARS electronic unit is turned on, it
requires approximately 6 to 9 minutes for
warmup and inertial alignment.
p. On DEK, press and
release ()/0 and
If HARS GO appears on
HOD, go to next step.
MNO/5 keys (ADC).
On CDU, press and
release 0 and 5 keys
(ADD).
If any NO–GO appears on
HOD, refer to
TM 11-1520-238-23-2 to
troubleshoot the HARS.
q. Check training
missiles for seeker
spin–up (Stare
Mode).
If missile seeker fails to
spin–up, unlatch missile and
reseat on launcher rail, then
latch missile. If problem still
exists, replace training
missile (TM 9-1425-475-20).
