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|  MIL-D-70789A (AR)
TABLE V. Alerts.
(continued)
Over-
Action Required
Before Reset
Bit
Alert
ridable
Data Bus Requirements
ACCEPT VEHICLE
No
D2 7 Vehicle
Sets alert on both
BORESIGHT
Boresight
data buses.
Angles Not
Command.
Present
ACCEPT POSITION,
No
6 Align
Sets alert on both
ACCEPT GEODETIC
Initial
data buses.
DATA, or STORED
Position
HEADING ALIGN
Parameters
Not Received
command. Auto-
matically if
Normal Align
completed with
stored
parameters or
Stored Heading
Align from
previous STORED
HEADING SHUTDOWN
command.
Yes
None. Resets.
5 Stored
Sets alert on both
Heading/
data buses.
alert on receipt
Attitude
OVERRIDE ALERT
NO Good
command.
4 Unable to
No
Sets alert on both
RESTART command.
Complete
data buses.
Align
No
3 Align
Sets alert on both
RESTART command.
Interrupt
No
2 Position
Sets alert only on
ACCEPT POSITION
Update
the data bus which
or ACCEPT
Interrupt
sent the ACCEPT
GEODETIC DATA
POSITION or ACCEPT
command. If
GEODETIC DATA
S1/1 is not set,
command.
resets auto-
matically after
60 seconds.
1 Zero-
No
Sets alert on both
Completion of a
velocity
data buses.
zero-velocity
update.
Update Interrupt
90
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