One-Shot Impact Function
This function helps adjust the screw head
flush to the material surface.
The driver rotates half round
∗
and auto-
matically stops each time the trigger switch
is depressed while tightening a screw.
The driver will give impact about 5 times
and automatically stop while tightening
a bolt even though the trigger switch is
depressed. The one-shot impact function
is also available in reverse rotation. The
impact force is set by the impact power
mode select and digital clutch settings.
NOTE:
∗ The one-shot impact function operates
after impact. Over-tightening may occur
when tightening screws into soft materi
-
als as the tool does not impact.
Using the one-shot impact function
When the trigger switch is released
and it is depressed fully within
1 sec., one-shot impact func
-
tion operate. Then
the one-shot
impact LED light will blink.
Wait at least 1 sec. after
trigger is released, not
to operate the one-shot
impact function.
Keeping the bit head to the screw head to use
this function.
When the screw is sticking up quite a ways,
increase the clutch setting.
Using the one-shot impact function
continuously
Refer to the guideline table (See p.11.) and
check the application. Press the impact
power mode button (
) to select the set
-
ting. Select the digital clutch setting (
)
that matches the application. To set the
one-shot impact function, press the but
-
ton (
) then light (
) turns on. Depress
the trigger switch fully to adjust the screw
tightening until the one-shot impact func-
tion operates. The amount of screw fasten
-
ing rotation by one-shot impact will differ
depending on the impact power mode and
digital clutch settings. To turn off the one-
shot impact function, press the button (
)
once more then light (
) turns off.
Digital Clutch
The digital clutch automatically stops the
driver rotation when the load is reached
to the select setting. Depress the trigger
switch fully to tighten the screws until the
digital clutch operates. If the screw head
is not flush to the material surface, release
the trigger switch and then within 1 sec.
depress it again. This will operate the one-
shot impact function.
To select digital clutch setting.
Refer to the guideline table and check the
application. (See p.11.)
Press the impact power mode button to set
the impact power mode. (See p.6.)
Press the digital clutch setting buttons and
select the setting to match the application.
The digital clutch setting increases each
time (+) button is pressed.
The setting decreases
each time (
-
) button is
pressed.
Digital clutch setting range
Setting is available from 1 to 16 stages to
match the application.
Full power
Keep pressing the and
button 0.6 sec. or more
will automatically shift
the setting to “F”. (Digital
clutch is turned off in the
each impact power mode.)
Turn off the digital clutch.
Press the digital clutch
setting button to change
the setting to “F.”
NOTE:
When selecting the digital clutch set-
ting, first start at a low setting and a soft
impact mode. Then gradually select to
higher settings. Try on a scrap piece of
the material to determine the best set-
ting beforehand. Too high setting could
result in over-tightening of the screws.
Keep the trigger switch fully depressed
while tightening one screw to operate
the digital clutch. Do not release the trig-
ger switch until digital clutch operates.
The clutch setting remains the same
when the driver is changed from for-
ward to reverse rotation while the clutch
is set. To drive in reverse at full power,
change the clutch setting display to “F”
and turn off the digital clutch.
