Simrad SC90, Installation Manual

Page: 433 / 544

419050/B
431
Data sentence 66: Current indicator; derived ship speed & course
Byte # ASCII HEX Comments
1 6 36 Data sentence 66: Current indicator; derived ship speed &
course
2 6 36
3 + – C Modes:
+
= Ground tracking
–
= Water tracking
C
= Check data
4 1 Current speed x 10 kn
5 2
Current speed x 1 kn
6 3 Current speed x 0.1 kn
7 1 Course in degrees (True) x 100
8 2 Course in degrees (True) x 10
9 3
Course in degrees (True) x 1
10 4 Course in degrees (True) x 0.1
11 1 Ship heading in degrees x 100
12 2 Ship heading in degrees x 10
13 3
Ship heading in degrees x 1
14 4 Ship heading in degrees x 0.1
Data sentence 76: Depth, speed and direction for each current layer
Byte # ASCII HEX Comments
1 7 37 Data sentence 76: Depth, speed and direction for each current
layer
2 6 36
3 1 Layer 1 – 3
4 1 Layer depth x 100 m
5 2 Layer depth x 10 m
6 3 Layer depth x 1 m
7
+ – C Modes:
+
= Ground tracking
–
= Water tracking
C
= Check data
8 1 Current speed x 10 kn
9 2 Current speed x 1 kn
10 3 Current speed x 0.1 kn
11 1 Current direction x 100°
12 2
Current direction x 10°
13 3 Current direction x 1°
Datagram formats