Fluke 180LR User Manual - Page 14

180LR, 180LG Users Manual Maintenance The Product does not require maintenance but treat the Product as a calibrated instrument. Do not drop the Product.  Warning To prevent eye damage and personal injury, do not open the Product. The laser beam is dangerous to the eyes. Have the Product repaired only through an approved technical site. Clean the Product Clean the case with a damp cloth and a weak soap solution. Do not use abrasives, isopropyl alcohol, or solvents to clean the case or optic windows. Batteries Replace the batteries when the indicator LED is yellow. To install or replace the batteries (See Figure 7.): 1. Remove the battery compartment lid. 2. Install three AA batteries with the correct polarity. 3. Replace the battery compartment lid. Figure 7. Battery Replacement Specifications Light Source Semiconductor laser diode Working Range 60 m Accuracy 3 mm @ 9 m Leveling Automatic Leveling Range 6 ° 10