Page 4 of 5
DATA STORAGE FILE FORMAT (.852) (con't)
80-81
ROV Depth
Byte 80
Byte 81
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
D
ROV Depth * 10
If '
D
' = 0, ROV Depth not available
If '
D
' = 1, ROV Depth = [((Byte 80 & 0x7F)<<8) | (Byte 81)]/10
82
ROV Depth Units
‘M’ = Meters
‘F’ = Feet
83-84
ROV Heading
Byte 83
Byte 84
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
H
ROV Heading * 10
If '
H
' = 0, ROV Heading not available
If '
H
' = 1, ROV Heading = [((Byte 83 & 0x7F)<<8) | (Byte 84)]/10
85-86
ROV Turns Counter
Byte 85
Byte 86
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
T
ROV Turns C 100
If '
T
' = 0, ROV Turns Counter not available
If '
T
' = 1, ROV Turns Counter = [((Byte 85 & 0x7F)<<8) | (Byte 86)] - 100
87
Operating Frequency
For Sonar Head (Head ID = 0x10):
0 = 675kHz
1 = 850kHz
For Echo Sounder (Head ID = 0x11):
0 = 675kHz
88
Head ID
0x10 = Sonar Head
0x11 = Echo Sounder
89-99
Reserved
- always 0
