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|  MIL-D-70789A (AR)
APPENDIX D
***************************************************************************
30.4.12 Message: POINTING DEVICE BORESIGHT
F r o m : DRU
To:
Prime
System
Number of Data Characters: 12
Binary 2's complement
Data Format:
MESSAGE STRUCTURE
ERROR DET.
STATUS
ECHO
CODE (E) FLAG(F)
DATA (D)
FLAG(F)
SEQ#(N)
IDENTIFIER(I) S1,S2
16 bits
01111120
D1-D6
16 Bits
01101
01111110
XXX
This message contains the values of the pointing device boresight angles
stored in the DRU.
A as defined in 6.6.3.3.2
D1, D2 Characters (16 bits unsigned)
for Orientation 1.
0 to 6399.9 Mils
Range:
Resolution: 0.1 Mil
B as defined in 6.6.3.3.2
D3, D4 Characters (16 bits)
for Orientation 1.
-1600.0 to +1600.0 Mils
Range:
Resolution: 0.1 Mil
r as defined in 6.6.3.3.2
D5, D6 Characters (16 bits)
for Orientation 1.
-3199.9 to +3200.0 Mils
Range:
Resolution: 0.1 Mil
A as defined in 6.6.3.3.2
D7, D8 Characters (16 bits unsignd)
for Orientation 2.
0 to 6399.9 Mils
Range:
Resolution: 0.1 Mil
B as defined in 6.6.3.3.2
D9, D10 Characters (16 bits)
for Orientation 2.
-1600.0 to +1600.0 Mils
Range:
Resolution: 0.1 Mil
r as defined in 6.6.3.3.2
D11, D12 Characters (16 bits)
for Orientation 2.
-3199.9 to +3200.0 Mils
Range:
Resolution: 0.1 Mil
If the Pointing Device Boresight Angles Present flag is reset, the
NOTE:
data returned in a POINTING DEVICE BORESIGHT message may be invalid.
193
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