Chapter 1
General Information and Safety
P/N 79000035_SM, Version 1.5 1 - 9 Focus 30/35
with the telescope. This mode operates in LASER CLASS 1.
When operating in prism mode with Tracker and/or distance measurement the accessible radiation
does not exceed the limits of LASER CLASS 3R.
C
Warning – The use of Laser Class 3R equipment can be dangerous for the eyes. The risk for
an eye damage is minimized through the radiation limit of 5mW (at 660nm).
- Do not stare into the beam or direct it towards other people.
- Do not direct the beam towards reflective surfaces (prism, mirror, metallic surfaces,, window),
also a stare into such reflective beam can be dangerous.
- Precautions should be taken to ensure that persons do not look with an optical instrument
directly into the beam. In a distance of 80m from an instrument the radiation is conforms to
laser class 3R. In Laser Class 1M a direct intrabeam viewing is not hazardous.
- This enlargement is not permissible while using a look with an optical instrument directly into
the beam.
- Radiation of laser class 3R can cause irritation, flash pictures and afterimages, especially
under low environmental brightness. The indirect consequence can be a human insecurity, jus-
tified by temporary eye defect or a blind effect (driving a care).
Take the following precautions while using a CLASS 3R instrument in order to minimize the
risks of personal injury:
• Only use the instrument’s Laser Class 3R function when absolutely neccessary.
• Set up the laser beam above or below human eye level wherever practicable.
• Make sure that the area where Class 3R instruments are used is marked out with
appropriate laser warning signs.
• Do not measure towards prisms up to 1000m in DR mode.
• Make sure that unauthorized personnel do not get access to the instrument.
Fig. 1-3 Laser aperture label
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