ARINC 708 Display Data Bus Word Format
M4K708 Module:User’s Manual
page A - 5
Data Accept
Scan Angle
Weather Conditions/Reflectivity Data
Bit
51
50
Function
0
0
Do not accept data
0
1
Accept data 1
1
0
Accept data 2
1
1
Accept any data
Table A-10
Data accept
Bit
Angle (in degrees)
Bit
Angle (in degrees)
63
180
57
2.8125
62
90
56
1.40625
61
45
55
0.703125
60
22.5
54
0.3415625
59
11.25
53
0.17578125
58
5.625
52
0.087890625
Table A-11
Scan angle
Matrix code
[Pixel Value
3 bits]
Weather Condition
Bit
n2
Bin
N
Bit
n1
Bit
n0
Display Color Example
0
No precipitation [< Z2]
0
0
0
Black
1
Light precipitation [Z2 to Z3]
0
0
1
Green
2
Moderate precipitation [Z3 to Z4]
0
1
0
Yellow
3
Heavy precipitation [Z4 to Z5]
0
1
1
Red
4
Very heavy precipitation [> Z5]
1
0
0
Magenta
5
Reserved
1
1.
Out of Calibration Indication
1
0
1
6
Medium turbulence
1
1
0
7
Heavy turbulence
1
1
1
Table A-12
Weather Condition / Reflectivity Data
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