4
Security Guide
Please pay attention to the following security matters when
using the instrument with non-prism.
Warnings:
Total station is equipped with rangefinders with laser level
3R/IIIa
，
which is recognized by the following logo recognition
at the horizon-axis locking knob” of the instrument, saying
“Class 3A Laser Product”. The Total Station is classified as Class
3R Laser Product and abides by the class of Laser Product
according to IEC Standard Publication 60825-1:2001.
For Class 3R/IIIa Laser Product, its emitted laser with
wavelength between 400nm and 700nmcan be at most 5 times of
that of Class 2/II.
Warnings:
Never star at laser beam constantly,
it could cause
permanent eye damage.
Precautions:
Do not see directly into laser beams nor point laser to others.
The reflected beams is the necessary for the instrument
measurement signal.
Warnings:
It‟s dangerous to use Class 3R Laser instruments
improperly
Precautions:
In order to avoid causing damage, the proper precautions
should be taken for you and control well the distance
(in
accordance with the standard “IEC60825-1:2001”) that may
occur hazards .
The following is the main part of the explanation of the IEC
Standard Publication: