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CAUTION
Unintentional activation of the laser beam presents a hazard. The laser beam
may be switched on by inadvertently pressing a measure command button or by a
software error.
▶ Avoid unintentional activation of the laser beam.
▶ When handling the product, always bear in mind that the laser beam could be
switched on inadvertently. Before looking toward the path of the laser beam,
make sure that the laser beam is switched off or that the product is switched off
completely.
WARNING
Risk of explosion! Operation in the vicinity of flammable liquids, gases or dusts is
hazardous.
▶ Pay attention to the ambient conditions. Do not use the product where there is a
risk of fire or explosion.
Possible measurement errors Measurement errors are possible when the operat-
ing temperature range is not observed, when there is a high concentration of parti-
cles in the air, when the lens is dirty, when measurements are taken from unsuitable
surfaces or when the product is used incorrectly.
▶ After switching on and while using the product, always pay attention to the
information and warnings displayed on the touchscreen.
▶ Check the accuracy of the product before using it for measuring.
▶ When the product is brought into a warm environment from very cold conditions,
or vice-versa, allow it to become acclimatized before use.
Incorrect settings may have damaging consequences. Incorrect settings, e.g.
due to use of a measuring extension of a different length, may lead to incorrect
results and consequential damage.
▶ Always pay attention to the information and warnings displayed on the touch-
screen.
▶ Make sure that you use the correct settings when taking measurements.
In addition to the safety rules listed in the individual sections of these operating
instructions, the following rules must be strictly observed at all times. The product
and its ancillary equipment may present hazards when used incorrectly by untrained
personnel or when used not as directed.
▶ Keep all safety instructions and information for future reference.
▶ Stay alert, watch what you are doing and use common sense when working with the
product. Do not use the product while you are tired or under the influence of drugs,
alcohol or medication. A moment of inattention while operating the product may result
in serious personal injury.
▶ Do not render safety devices ineffective and do not remove information and warning
notices.
▶ If the product is opened improperly, laser radiation in excess of Class 2 may be
emitted. Have the product repaired only by Hilti Service.
▶ Tampering with or modification of the product is not permitted.
▶ Check that the product functions correctly each time before use.
Printed: 28.11.2017 | Doc-Nr: PUB / 5314372 / 000 / 01
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