User's Manual

4. Preparations before measurements

4.1 Unpacking and storing instruments

Unpacking

Lay down the box gently with the top side facing up. Open

the lock and take out the instrument.

Storage

Cover the telescope cover. Make sure that the vertical

clamping screw and the level bubble face upwards. Lay down

the instrument into the box (with objective lens of the telescope

facing downwards.). Tighten the vertical clamping screw gently

and cover the box, then Lock the box.

4.2 Set up the instrument

Reference for operation:

Install the instrument onto the tripod gently, then level and

center the instrument to ensure the accuracy of the measurement

result.

4.2.1 Using plummets to center and level (align)

1) Set up the tripod

① Position tripod legs so that the plummet is aimed to the

ground mark point. Turn the focusing ring of the optical

plummet to focus;

② Make sure that the center of the tripod top is right above

the station;

③ Stamp the tripod on the ground with your feet.

2) Install the instrument onto the tripod

Mount the instrument on the tripod head. Support it with

one hand, and tighten the centering screw on the bottom of the