Extending Straight Lines - Leica T105 User Manual

Extending straight lines

Wanted: The straight line from A to B should be extended. A new point C is created.
8
SIMPLE method
12
2.
B
Procedure:
1. Set up instrument above point A and level up.
2. Aim on point B in face one.
3. Turn telescope around the tilt axis and stake-out point
C1 in the desired distance.
To ensure accuracy:
distance A-C » distance A-B
Simple measurements
3.
A
ACCURATE method
C
B
Procedure:
Carry out steps 1 to 3 (see SIMPLE method).
4. Turn instrument around the standing axis and aim on
point B again.
5. Turn telescope around the tilt axis and stake-out an
auxiliary point C2 in the same distance as C1.
Point C is in the middle of line C1 to C2.
24
4.
5.
5.
4.
A
Result:
C1
C
C2
T105/T110-1.3.0en