1
Thank you for choosing SOUTH theodolite NT-023.
Please read the user manual carefully before use.
1.
PRECAUTIONS
a.
Do not collimate the objective lens directly to the sunlight
without a filter.
b.
Do not store the instrument in extremely high or low
temperature, to avoid the sudden or great change of
temperature.
c.
When the instrument is not in use, store it in the case and
avoid shock, dust and humidity.
d.
If there is great difference between the temperature in work
site and that in store place, you should leave the instrument in
the case till it adapts to the temperature of environment.
e.
If the instrument has not been used for a long time, you should
remove the battery for separate storage. The battery should be
charged once a month.
f.
When transporting the instrument should be placed in its
carrying case, it is recommended that cushioned material
should be used around the case for support.
g.
For better accuracy, the instrument should be set up on a
wooden tripod rather than an aluminum tripod.
h.
Clean exposed optical parts with degreased cotton or less
tissue only!
i.
Clean the instrument surface with a woolen cloth after use. If it
gets wet, dry it immediately.
j.
Before opening, inspect the power, functions and indications of
the instrument as well as its initial setting and correction
