LaserLiner Centurium Express G Mode D'emploi page 18

Calibration
The meter needs to be calibrated on a regular basis to ensure it produces
accurate measurement results. We recommend carrying out calibration
once a year. Contact your distributor or the UMAREX-LASERLINER service
department.
Special product features and functions
required initial position (to within an operating angle of ± 4°) and the
automatic system then performs the necessary fine adjustment, with
three electronic measurement sensors detecting the X, Y and Z axes.
measurements. How it works: continuous monitoring of the alignment of
the laser is activated 30 seconds after the ADS is switched on. If the device
moves due to the influence of external factors or the laser loses its height
reference, the laser will come to a standstill. Additionally, the laser flashes
and the tilt LED is lit continuously. To continue working, press the tilt button
again or switch the device off then on again. Erroneous and inaccurate
measurements are thus prevented simply and reliably.
The ADS is not active following switch-on. Once the device has been set
up, press the tilt button to activate the ADS, enabling you to protect the laser
from changes in position caused by the device being disturbed by external
factors. The tilt LED flashes to indicate that the ADS function is active; see
the diagram.
The ADS does not activate the monitoring function until 30 seconds
!
after the laser levelling procedure has been completed (set-up phase).
Long flash of tilt LED at 1 second intervals during the set-up phase
and short flash of LED when ADS is active.
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EN
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The rotary laser aligns itself automatically. It is set to the
The anti-drift system (ADS) prevents erroneous or inaccurate
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