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-1.15-
If relative motion is selected, it is also possible to read CPA (Closest Point of Approach) by
using a VRM as shown below (Figure (a)). If the EBL passes through the sweep origin
(own ship) as illustrated (Figure (b)), the target ship is on a collision course.
5. To return the EBL origin to the own ship position, press the [EBL OFFSET] key again.
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030
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090
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170190
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A'
A
EBL 1
VRM
3.85 NM
EBL
150.3°R
VRM 1
CURSOR
000
030
060
090
120
150
180
210
240
270
300
330
010
020
040
050
070
080
100
110
130
140
160
170190
200
220
230
250
260
280
290
310
320
340
350
A'
A
EBL 1
VRM
3.85 NM
EBL
100.3°R
VRM 1
CURSOR
(a) Evaluating the target ship course in RM (b) Target ship on collision course