c) Read the value of marching direction on the compass card (12) which corresponds to the index line of the
Glow-in-the Dark Circle(10) .
d) Remove the compass from the map ,look at the compass card (12)and turn around until the value of your
marching direction(defined as described point C )
e) Find an auxiliary destination point which must be on the same survey line and start following it .
f) Repeat this operation until you reach your final destination.
The longer your route,the more you have to repeat the above operation which will
help you keep the direction you defined.
8
．
Determining your own position in the field
Select two well visible points on the ground and mark them on the map .Once the
map is orientated (operated as Point 6),with your compass measure the value in
degree of position (A) and draw a line on the map in accordance with said
value.Now pass through point (B).
9
．
Estimate the distance on the map
Measure the distance to the object on the map by Centimeter Ruler (5), Multiply the scale of the map.
Example:
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