Indicator lamps
Lighted
Off
NOTE: Depending on the conditions of use and the ambient tem-
perature, the indication may differ slightly from the actual capacity.
NOTE: The first (far left) indicator lamp will blink when
the battery protection system works.
Setting for desired screw length
1
► 1 . Lever 2. Stopper base 3. Label on feeder box
4. Fenestella
There are 7 positive-lock screw length settings. To obtain the
desired setting, pull out the stopper base while depressing the lever
until you see the number of the desired screw length (indicated on
the label on feeder box) appear to rest in the fenestella of stopper
base. See the table below for the relation between the number indi-
cated on the label on feeder box and the respective screw length.
For Model DFR550
Number indicated on the label
25
30
35
40
45
50
55
Remaining
capacity
Blinking
75% to 100%
50% to 75%
25% to 50%
0% to 25%
Charge the
battery.
The battery
may have
malfunctioned.
4
3
2
Screw length
25 mm (1")
30 mm (13/16")
35 mm (1-3/8")
40 mm (1-9/16")
45 mm (1-3/4")
50 mm (2")
55 mm (2-3/16")
For Model DFR750
Number indicated on the label
45
50
55
60
65
70
75
Adjusting the driving depth
5 mm
(3/16")
1
2
3
► 1 . Stopper base 2. Casing 3. Adjusting knob
Depress the stopper base as far as it will go. While keeping it
in this position, turn the adjusting knob until the bit tip projects
approx. 5 mm (3/16") from the stopper base. Drive a trial screw.
If the screw head projects above the surface of the workpiece,
turn the adjusting knob in the A direction; if the screw head is
counter-sunk, turn the adjusting knob in the B direction.
Switch action
► 1 . Switch trigger
CAUTION:
•
Before inserting the battery cartridge into the
tool, always check to see that the switch trigger
actuates properly and returns to the "OFF"
position when released.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
6 ENGLISH
Screw length
45 mm (1-3/4")
50 mm (2")
55 mm (2-3/16")
60 mm (2-3/8")
65 mm (2-9/16")
70 mm (2-3/4")
75 mm (2-15/16")
A
B
1