35
SAFETY, CARE, AND HANDLING
Caution
Use of controls or adjustments or performance of procedures other than those specified
herein may result in hazardous radiation exposure.
There is a purge screw inside the battery cavity, under a black decal. DO NOT OPEN! If this
screw is removed, the moisture-free nitrogen purge of the unit will be lost.
Service
To avoid possible exposure to radiation in excess of acceptable emission limits, all repairs
requiring the opening of the sealed laser case must be performed by the manufacturer or its
authorized representative.
Limits of Use
CE-marking (European regulation):
The instrument, including accessories, complies with the regulations of permission for low
voltage and electromagnetic compatibility.
ATTENTION: This instrument contains lithium-ion batteries, Lithium-ion batteries must be
recycled or disposed properly.
DANGER: The use in an aggressive or explosive environment (especially gas
bearing pipes) is strictly prohibited.
WARNING: Never short circuit the battery contacts with any metal parts. Do not
hold the battery pack under water if the pack is damaged or cracked.
WARNING: Never try to charge the battery with chargers that are not supplied from
the manufacturer.
Care and Handling
1. The GradeLight is a precision instrument that must be handled with care. Avoid shock
and vibrations.
2. After use, it is recommended that the laser be wiped dry and stored in a dry place. Do
not store the laser in its case if the laser or case are wet.
3. Remove the battery from the product during storage.
4. Do not store the laser in temperatures below -40° F (-40° C) or above 140° F (60° C).
5. To maintain the precision of the laser, check accuracy regularly and adjust if
necessary.
6. Use a soft cloth, moistened if necessary, to clean the LCD and front window on the
laser for the beam output and remote reception. Do not clean plastic windows or
painted surfaces with acetone.
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