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Safety Instructions
Symbols used
The following symbols are used to distinguish precautions by the
degree of injury or damage that may happen if the precautions
ignored.
WARNING
Indicate a potentially hazardous situation or an unintended use
which, if not avoided, will result in death or serious injury.
CAUTION
Indicate a potentially hazardous situation or an unintended use
which, if not avoided, will result in death or serious injury and/or
in appreciable environment or property damages.
Important instructions which must be adhered to in practice
as they enable the product to be used in a technically correct and
efficient manner.
Possible danger when use the device:
- The laser beam will harm eyes when aim to eyes directly.
- The device may produce a spark and light to dust or gas.
- When clean battery electrolyte, human fingers may be affected.
- The device may cause a hazardous radiation explosion.
- Laser exposure radiation damage.
Caution:
- Do not look straight into the laser beam.
- Do not use the device in inflammable and explosive environment.
- Remove the batteries to avoid the electrolyte leakage when not
use the device.
- Do not try other functions that the device does not have itself.
- Do not attempt to alter the functions of the device in any way.
Maintenance:
Wipe off dirt with wet and soft cloth. If wet cloth does not work,
use cloth with alcohol to clean the dirt. Be careful with the optical
components ( such as optical lens ) : wipe with clean soft cloth or
cotton swab with distilled water(as cleaning glasses or camera
lens). Do not use harmful cleaning material.
Permitted use
Horizontal measurement, vertical measurement and oblique
measurement
Prohibited use
• Using the instrument without reading instructions.
• Using beyond the stated usage limits.
• Damaging safety precaution system and removal of instruction
and hazard labels.
• Disassembling the equipment by using tools (screw drivers, etc.),
as far as not specifically permitted for certain cases.
• Carrying out modification or alteration to the product.
• Using accessories from other manufacturers without the
approval by our company.
• Deliberate or irresponsible operation on scaffolding or when
using ladders, when measuring near running machines or
