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Chapter 4: Using the Chart 55
4.8 Measuring distances and bearings
... from your boat
You can determine the position, distance and bearing from your boat to the position of
the cursor by referring to the cursor position (Csr Pos) data in the databar.
... between two points on your chart
The ruler option of your chart application can be used to obtain an accurate
measurement of the distance and bearing between two points on your chart.
To position the ruler
1. Position the ruler starting point:
;
2. Position the ruler end point:
To reposition the ruler
To reposition either the start or end point of the ruler:
To clear the ruler
D6665-3
DATA
RULER
Position cursor
at start point.
Range & bearing from A to B
displayed. ADJUST B highlighted.
A
B
065
0
T
0.18nm
OK
033
o
T
0.60nm
A
B
To fix new ruler
position
Move cursor to end point.
Distance and bearing displated.
D8321-1
OK
008
o
T
0.46nm
A
B
ADJUST A
ADJUST B
Or
Select which point to adjust Move cursor to new position
To fix new
ruler
position
D8322-1
D8323_1
CLEAR RULER
DATA
RULER
81221_4.book Page 55 Tuesday, February 28, 2006 5:24 PM