4
Notice:
1.
Avoid targeting sunlight with objective lens directly.
Do not sight directly at the sun. Please install a sun
filter to reduce the impact.
2.
Do not leave the instrument in extreme temperatures
(too high or too low) or employ it when there is a
dramatic difference in temperature.
3.
When not using the instrument, please load it in box
and place it in ventilated dry place. Also make sure
that the place is shockproof, dustproof and
waterproof.
4.
When there is a great difference in temperature
between the storehouse and the work field, please do
not unpack and draw outthe instrument from the
tool-box until the instrument reaches the
environmental temperature in order to obtain precise
measurement.
5.
If decide not to employ the instrument for a long term,
the battery should be unloaded. A monthly charging
is requiredfor promotion in longevity of the battery.
6.
When transporting the instruments, please store them
in boxes and avoid extrusion, collision and violent
vibration during transportation. A soft mat around the
boxes may be required for long-distance transport.
7.
When setting the instrument, please use high-quality
wooden tripod for stability to improve accuracy.