Important Tips
3
Prior to removal or relocation of the instrument, ALWAYS rotate the Pendulum Lock/Unlock Switch 3 to the LOCKED (left) position. IMPORTANT! The laser beam cannot be turned OFF with the Pendulum Lock/Unlock Switch 3 is in the UNLOCKED position. This feature is incorporated to protect the instrument. Before and during the work interval, wipe the Laser's Lens with a lint-free cloth. DO NOT USE PAPER TOWEL . Any debris on the reflector may cause laser deflection and produce inaccurate readings. To safeguard levelling accuracy, you should verify levelling calibration on a periodic basis, as outlined on page 27.
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