User's Manual

3
Laser plummet
Easy to direct the station point and free station
Notice:
Don’t look directly into the sun with the objective lens;
Do not leave the instrument at extreme temperatures (too
high or too low) or use it when thermal shock;
When you don’t use the instrument, should load it in the
box and place it well-ventilate and dry place ,and pay attention
to the shock-proof ,dust-proof and damp-proof;
In order to get good precision, you should leave the
instrument in the box to make it adapt the environment when
there is a great difference in temperature between working
environment and storage environment
The battery should be unloaded and charged once a month
for extending its life. If not ，the instrument will not be used for
a long term.
When transporting the instrument, you should store it in
box and be careful to avoid extrusion, collision and violent
vibration. A soft mat around the boxes is required for
long-distance transport.
When setting the instrument, it’s better to work with
high-quality wooden tripod for stability and measurement
accuracy.
In order to improve the precision of Non-Prism
measurement, please keep the object lens clean. When cleaning
exposed optical devices, please wipe them gently with absorbent
cotton or lens paper only.
After using instrument, please sweep away the surface dust
with flannelette or hairbrush. Do not switch on the device when
it has got wet by rain. Please wipe it dry with clean soft cloth