Press the check button on the battery cartridge to indi-
cate the remaining battery capacity. The indicator lamps
light up for few seconds.
Indicator lamps
Lighted
Off
NOTE: Depending on the conditions of use and the
ambient temperature, the indication may differ slightly
from the actual capacity.
Power switch action
WARNING:
Before installing the battery car-
tridge on the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released. Operating a tool
with a switch that does not actuate properly can lead
to loss of control and serious personal injury.
CAUTION:
Never put your finger on the
switch when carrying. The tool may start uninten-
tionally and cause injury.
Press and hold the main power button for some sec-
onds to turn on the tool.
To turn off the tool, press and hold the main power
button again.
1
► 1. Main power button
To prevent the switch trigger from being accidentally
pulled, a lock-off lever is provided.
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.
To start the tool, grasp the handle (the lock-off lever is
released by the grasp) and then pull the switch trigger.
To stop the tool, release the switch trigger.
DUR187U and DUR188U
2
► 1. Lock-off lever 2. Switch trigger
DUR187L and DUR188L
2
► 1. Lock-off lever 2. Switch trigger
NOTE: The tool is automatically turned off after the
tool is left one minute without any operations.
Speed adjusting
You can adjust the tool speed by tapping the main
power button.
Each time you tap the main power button, the level of
speed will change.
1
► 1. Main power button
8 ENGLISH
1
1