Section 4 Range and Bearing Measurement Methods 4-20
4.6.4.1 Changing the bearing/interval/end point of parallel
index lines in the trackball operation unit (Individual mode)
[Changing the bearing at a clickable trisectional segment position on both sides]
1 Place the cursor on the lines on both sides of the lines that were created by dividing
one of the index lines 1 to 8, which can be clicked, into 3 equal sections and click the
button.
The shape of the cursor changes to
and when the mouse button is clicked, the bearing of
the parallel index lines can be changed.
2 Move the cursor to the bearing to be set.
The bearing of the parallel index lines changes together with the cursor.
3 Click the mouse button.
The parallel index lines are fixed.
[Changing the distance at a clickable trisectional middle position]
1 Place the cursor on the middle line of the lines that were created by dividing one of the
index lines 1 to 8, which can be clicked, into 3 equal sections and click the button.
The shape of the cursor changes to
and when the mouse button is clicked, the interval of the
parallel index lines can be changed.
2 Move the cursor to the interval to be set.
The interval of the parallel index lines changes together with the cursor.
3 Click the mouse button.
The parallel index lines are fixed.
If a clickable segment is 2 cm or less, the change of interval mode is always activated.
Consistent Common
Reference Point (CCRP)
Reference point on the line
point position
Change of angle
Change of angle
point position
Dividing the line segment that can be clicked into 3 equal sections