Chapter 4: Using the Chart
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.
The ruler option is a local setting and will therefore only affect the individual
Note:
window on which you are working.
To position the ruler
1. Position the ruler starting point:
;
Position cursor
at start point.
2. Position the ruler end point:
To reposition the ruler
To reposition either the start or end point of the ruler:
ADJUST A
ADJUST B
Select which point to adjust
To clear the ruler
DATA
o
033
T
0.60nm
A
Move cursor to end point.
Distance and bearing displated.
Or
Move cursor to new position
DATA
RULER
RULER
Range & bearing from A to B
displayed. ADJUST B highlighted.
B
To fix new ruler
position
B
A
o
008
T
0.46nm
CLEAR RULER
63
0
065
T
0.18nm
B
A
OK
OK
To fix new
ruler
position