Additional Safety Instructions; Electromagnetic Compatibility - Hilti Pra 400 Original Bedienungsanleitung

▶ The specified operating and storage temperatures must be observed.
2.2

Additional safety instructions

▶ Observe all safety instructions in these operating instructions and in the operating instructions of the Hilti
rotating laser.
▶ Do not hold the laser receiver close to your ears. The volume of the laser receiver can cause injury and
hearing loss.
▶ After switching on and while using the product, always pay attention to the information and warnings
that appear on the display.
▶ Keep the detection area clean to avoid measurement errors. Do not touch the detection area with your
fingers.
▶ Readings taken in the vicinity of reflective objects or surfaces, through panes of glass or similar materials
may produce incorrect results.
▶ Make sure that no other laser measuring tool that can influence your measurements is in use in the
vicinity.
▶ Use of the telescopic staff in the vicinity of overhead high voltage cables is not permissible.
2.3

Electromagnetic compatibility

Although the tool complies with the strict requirements of the applicable directives, Hilti cannot exclude the
following possibilities:
• The tool may cause interference to other devices (e.g. aircraft navigation equipment).
• The tool may be negatively affected by powerful electromagnetic radiation, possibly leading to incorrect
operation.
In these cases, or if you are otherwise unsure, confirmatory measurements should be made by other means.
2.4 Careful handling and use of batteries
▶ Remove the batteries from the product if it is to remain unused for a lengthy period of time. Batteries can
corrode and self-discharge during prolonged storage.
▶ Make sure that batteries are inaccessible to children.
▶ Do not mix old and new batteries. Always replace all batteries at the same time. Do not mix batteries of
different makes or types.
▶ Do not use damaged batteries.
▶ Use only the battery type intended for this product. Use of other batteries may create a risk of injury and
fire.
▶ When changing batteries, make sure that polarity is correct. There is a risk of explosion.
▶ Do not allow batteries to overheat and do not expose them to fire. Batteries can explode and release
toxic substances.
▶ Do not attempt to charge non-rechargeable batteries.
▶ Do not solder batteries into the product.
▶ Do not discharge batteries by short-circuiting. Batteries can develop a leak, explode, catch fire and injure
persons.
▶ Do not damage batteries and do not attempt to take batteries apart. Batteries can develop a leak,
explode, catch fire and injure persons.
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