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DATA STORAGE FILE FORMAT (.852) (con't)
40
(Train Angle)/3
For Sonar Head (Head ID = 0x10):
10 to 130 = -180 to +180 Degrees in 3 degree increments
70 = 0 degrees
For Echo Sounder (Head ID = 0x11):
Reserved – always 0
41
Reserved
– always 0
42
Reserved
– always 20
43
Reserved
– always 9
44
Pulse Length
1 to 250 in microseconds
45
Profile
0 = Off
1 = Points Only
2 = Low Mix
3 = Medium Mix
4 = High Mix
46-47
Sound Velocity
Byte 46
Byte 47
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
V
Sound Velocity (in meters/second) * 10
If '
V
' = 0, Sound Velocity = 1500.0 m/s
If '
V
' = 1, Sound Velocity = [((Byte 46 & 0x7F)<<8) | (Byte 47)]/10.0
48-79
User Text
- null terminated text string (32 bytes)
