1. OPERATION
1-17
Range for River mode
In River mode, the default unit is KM.
Range for Sea mode
In Sea mode, the default unit is NM.
Range (KM)
Range ring interval (KM)
0.125
0.025
0.25
0.05
0.5
0.1
0.8
0.2
1.2
0.2
1.6
0.4
2
0.4
4
1
8
2
16
4
32
8
64
16
Range (NM)
Range ring interval (NM)
0.125
0.025
0.25
0.05
0.5
0.1
0.75
0.25
1
0.25
1.5
0.25
2
0.4
3
0.5
4
1
6
1
8
2
12
2
16
4
24
4
32
8
48
8
64
16
