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Page Title:
Table 30.5 Status BIT Activation Condition |
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|  MIL-D-70789A (AR)
APPENDIX E
Table 30.5.
Status BIT Activation Condition
CHAR/
BIT
SET CONDITION
RESET CONDITION
S1/7
Turn-on.
DRU operations are
sufficient for proceeding
with Normal Align.
6
Spare
Spare
*
DRU enters NORMal Align,
5
DRU is net in an align
or Stored Beading Align mode.
mode.
4
DRU enters survey mode.
DRU is not in survey mode.
3
DRU determines it is operating
DRU determines it is
in the Exclusive ZUPT mode.
operating in the Odometer
Mode.
2
DRU determines it needs a zero-
zero-velocity update
velocity stop.
completed or zero velocity
update not needed at the
present time.
1
DRU determines it needs a position
position update accepted
Update.
0
Receipt of INHIBIT AUXILIARY BUS
receipt of ENABLE AUXILIARY
CONTROL command.
US CONTROL Command or Main
us inactivity.
201
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