TM 1–1520–238–T–1
4–88.4
Change 5
4–12A STAB – INTERACTIVE FD/LS CHECK 4–12A
(ACZ) (cont)
TASK
RESULT
a. On pilot cyclic stick
grip (fig. 2–8), set
FORCE TRIM REL
switch to ON.
b. On DEK (fig. 2–49),
rotate DATA ENTRY
switch to FD/LS
(ADC). On CDU (fig.
2–49.2), select FAB
If there are no system
failures, the following
message (prompt) appears:
ANY KEY FOR FD/LS
MENUS
FDLS (ADD).
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
c. Obtain maintenance
menu by pressing
and releasing any
DEK key except
ENTER SPACE or
SHIFT (ADC); or any
key on the CDU,
except SPC (ADD).
If FD/LS menus do not
appear on HOD, refer to
TM 9-1230-476-20-2 for
troubleshooting the MUX
system.
NOTE
RHE – RT BUS NO–GO RH FAB (ACZ) and/or
RHE – LT BUS NO–GO RH FAB (ACZ) will
appear if both pilot and CPG SAFE/ARM
switches are off.
d. On DEK, press and
release ()/0 and
VWX/8 keys (ADC).
On CDU, press and
release 0 and 8 keys
If any MUX NO–GO appears
on HOD, refer to
TM 9-1230-476-20-2 for
troubleshooting the MUX
system.
(ADD).
When MUX
COMMUNICATION GO
appears on the HOD, go to
next step.
