Newcon Optik LRB 20000 operation manual Never, Operations Procedure as Per Accessories

6.2.According IEC 825 standard the rangefinder belongs to the third class device of laser radiation hazard.

NEVER:

-Turn on the rangefinder aiming on people or animals;

-Measure distance through window and door glasses;

-Measure distance to mirror-reflecting surfaces (mirrors, car and building windows, optical components, grinded and polished surfaces), which are nearer than 1700 m to the rangefinder;

-Direct radiation to diffuse-reflecting surfaces (walls, curtains, papers), which are nearer than 0.43 m to the rangefinder;

-Inspect the rangefinder optical components on the housing side when the selector switch is on.

6.3.Persons who are in the dangerous zone of laser radiation must wear protective goggles ZН22-72-СZС-22-6 or ОZP or similar for eyes protection.

				Table 10.2
				Materials, tools and
Operations			Procedure as
			per	accessories
1.	Servicing	within	Table 10.1	As in Table 10.1
	Check Inspection
	scope			Cloth
2.	Cleaning
	rangefinder to
	remove dust, dirt
	and moisture
3.	Retouching painted			Brush, painting enamel
	exterior	of the
	rangefinder (when
	required)

4.Drying and repair the straps (when

	required)		Silica gel
5.	Replacing silica
	gel (when required)	Article 10.6.3	Individual SPTA set
6.	Replacing defective
	components with
	spares (to be taken	Article 11.3
	from individual
	SPTA set)	Table 10.1,
7. Tightening sleeves
	on knob end facets	Article 10.3