DeWalt DW089, Original Instruction

Page: 65 / 176

ENGLISH
63
Batteries (fig. 1)
BATTERY TYPE
This laser operates on four LR6 (AA-size) batteries.
TO INSTALL BATTERIES
1. Lift up the battery compartment cover (a) as shown in figure 1.
2. Insert four fresh LR6 (AA-size) batteries in the compartment,
placing the batteries according to (+) and (–) on the inside of the
battery door.
WARNING:
When replacing batteries, always replace the
complete set. Do not mix old batteries with new ones.
Preferably use alkaline batteries.
Operating Tips
• Use only new, high-quality, name brand batteries for best results.
• Ensure batteries are in good working condition. If the low battery
red indicator light is flashing, the batteries need replacement.
• To extend battery life, turn laser off when not working with or
marking the beam.
• To ensure the accuracy of your work, check often to make sure
your laser is calibrated. See Field Calibration Check .
• Before attempting to use the laser, make sure it is positioned
securely, on a smooth, flat surface.
• Always mark the centre of the beam created by the laser.
• Extreme temperature changes may cause movement of internal
parts that can affect accuracy. Check your accuracy often while
working. See
Field Calibration Check .
• If the laser has been dropped, check to make sure your laser is still
calibrated. See Field Calibration Check .
LOW BATTERY INDICATION (FIG. 1)
The DW089 laser is equipped with a red indicator light (b), as shown
in figure 1. The red indicator light is located to the left of the on/off
buttons (c, d, e).