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Manual for Laser Pointer
Introduction
The laser pointer is a communication aid for disabled people who are unable to
communicate using speech, writing or other methods. It consists of a laser and a
battery unit. The laser is attached to the user's spectacles, headband, cap, or
similar. The laser emits a red point of light that is used to point at various
objects in the user's surroundings, such as texts, symbols, pictures and objects.
This makes it possible for a user with disabilities to communicate in a simple
manner. The light point is highly concentrated, which makes it visible at a long
distance, even in situations with a high ambient light level.
Facts about Laser Light
Laser light is classified based on the output power of the light.
•
Class 1 is laser light with an output power less than 0.4 µW. This light does
not produce a visible point in normal room lighting and is considered to be
completely safe.
•
Class 2 is laser light with an output power less than 1 mW. All lasers are
approved for use as pointing devices in public situations, and they cannot
damage skin. However, care shall be taken to avoid focusing the light source
into the eye.
How strong is the light in the Laser Pointer?
The laser pointer is a Class 2 laser with an output power of <1mW. The laser
pointer has been tested and approved by SP Technical Research Institute of
Sweden according to standard EN-60825-1-2001 and CFR 1040.10-2005.
Warning!
The laser pointer is not a toy, but it may be tempting to play with it.
Make sure t
hat children do not play with the laser pointer, and ensure
that children are kept under supervision when the laser pointer is being used.
Never try to stare directly into the laser source!
