3. 150 m 360° ROTARY LASER LEVEL Installing the Batteries Before installing or replacing batteries: CAUTION! ALWAYS make sure to turn the power OFF. Ensure the Pendulum Lock/Unlock Switch 3 is in the LOCKED position. CAUTION! Check the batteries thoroughly to make sure they are not damaged, and their terminals do not show signs of corrosion. WARNING! NEVER PLACE THE INSTRUMENT UPSIDE DOWN ON THE LASER BEAM OUTLET COVER.
Lay the instrument on its side as shown here.
Wrong orientation
Unscrew the Battery Compartment Lid screw 1 counterclockwise and remove the lid.
Insert 4 AA alkaline batteries observing the polarity specified on the inside of the battery compartment. Close the battery compartment by replacing the lid and tightening the screw. When properly tightened, the Lid 1 will be flush with underside of the instrument. DO NOT OVER TIGHTEN THE SCREW.
CAUTION! When the Battery Indicator LED 5 starts flashing, it is time to replace the batteries.
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