Nikon Nivo 3.C Instruction Manual - Page 32
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2
Preparation
Adjusting the height of the tribrach adapter
The tribrach adapter has a height adjustment adapter. To use the prism reflector with a
Nivo series instrument, remove the height adjustment adapter as shown in the Figure
below.
The height adjustment adapter will be used with other Nikon Total Stations.
Changing the direction of the prism
The prism mounted on the tribrach adapter can be rotated to face in any direction.
To change the direction of the prism:
1.
2.
3.
Setting the position of the target plate
If using a single prism, make sure that the target plate is aligned with the tribrach
adapter and the prism.
To set the position of the target plate:
1.
2.
2 0
Total Station Nivo Series Instruction Manual
Height adjustment adapter
Release the rotation clamp. To do this, turn
the clamp lever counterclockwise.
Turn the upper plate of the tribrach adapter
until the prism is facing in the required
direction.
Fasten the rotation clamp. To do this, turn the
clamp lever clockwise.
Use the two set screws supplied to attach the
target plate to the single prism holder.
Move the target plate within the screw holes
until the apex of the wedge pattern is aligned
with the vertical axis of the prism and the
tribrach adapter.
Height adjustment adapter clamp screw
Clamp
Clamp lever
Unclamp
Center on axis