User's Manual

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must stop the laser beam in time.
d. The optical path of the laser beam should
be set higher or lower than the line of sight.
e. When the laser instrument is not in use, users
should keep it well. It is not allowed for
operation unless the user is authenticated.
f. Prevent the laser beam from accidentally
emitting at mirror, mental surface, window, etc.
Especially pay attention to the surface of plane
mirror or concave mirror.
* Harmful distance suggests that the maximum
distance from the start point of the laser beam to
the point which the laser beam is weakened to
a certain degree that doesn’t harm people.
The internal distance measure product which is
equipped with a Class3R/III a Laser Product has
a harmful distance of 1000m (3300ft). Beyond this
distance, the laser strength is weakened to Class
I (It is not harmful to look straight at the laser
beam
14.2 LASER PLUMMET
The internal laser plummet sends out a ray of red
visible laser beam from the bottom of the
instrument.
This product is classified as Class 2/II laser product.
Class 2 laser product is in accordance with the
following standard:
IEC 60825-1:1993 “SAFETY of LASER PRODUCTS”
EN 60825-1:1994+A II:1996 “ SAFETY of LASER
PRODUCTS”