410 PYLN SYSTEM INTERACTIVE FD/LS
b. Obtain maintenance
menu by pressing
and releasing any
DEK key except
ENTER SPACE or
If FD/LS menus do not
appear on HOD (fig. 234),
refer to TM 9-1230-476-20-2
for troubleshooting the MUX
SHIFT (ADC); or any
key on the CDU,
except SPC (ADD).
If any MUX NOGO appears
on HOD, refer to
TM 9-1230-476-20-2 for
troubleshooting the MUX
RHE RT BUS NOGO RH FAB (ACZ) and/or
RHE LT BUS NOGO RH FAB (ACZ) will
appear if both pilot and CPG SAFE/ARM
switches are off.
c. On DEK, press and
release ()/0 and
VWX/8 keys (ADC).
On CDU, press and
release 0 and 8 keys
appears on HOD, go to next
The FCC software can detect a boresight
corrector loss for a weapon and/or sighting
system. Flight crew or maintenance
personnel are advised of the degraded
accuracy on the highactiondisplay.
Continuous and maintenance FD/LS
messages are displayed upon selection.
Pylons with external fuel tanks will not be