4
Operation
4.1
Instrument Setup
a
b
aa
c
16541_001
☞
A field controller is necessary for this procedure.
1.
Extend the tripod legs to allow for a comfortable working posture.
Position the tripod above the marked ground point, centring it as
good as possible. Ensure that the tripod plate is roughly horizontal.
2.
Fasten the tribrach and instrument onto the tripod.
☞
Shield the instrument from direct sunlight and avoid uneven temper-
atures around the instrument.
3.
Turn on the instrument.
Connect the instrument to the field controller.
To activate the laser plummet, display the Compensator screen on
the field controller:
•
Select
Devices
from the Home Menu.
•
Tap the arrow button to the right of the device name.
•
Tap
Compensator
.
4.
Use the tribrach footscrews (a) to centre the plummet above the
ground point (b).
5.
Adjust the tripod legs to level the circular level (c).
6.
By using the electronic level, turn the tribrach footscrews (a) to level
the instrument precisely.
7.
Centre the instrument precisely over the ground point (b) by shifting
the tribrach on the tripod plate.
8.
Repeat steps 6. and 7. until the required accuracy is achieved.
Instrument setup
step-by-step
Operation
33
