When the Power Switch is turned on, the rotation direction and HAND/FOOT selections made
when the main switch was last turned off are restored. Special attention should be given to the
rotation direction.
For the use of a small-diameter round bur or
fisher bur at 40,000min
-1
(rpm) or more, pressing
the Speed Limit Release Button, which is
equipped with the Speed Control Knob, and
turning the Speed Control Knob allows a
setting of up to 50,000min
-1
(rpm). (Fig.4)
How to reset the protective circuit
During manual operation, it can be reset by pressing Motor Switch again. During operation
by Foot Pedal, depress Foot Pedal back to stop, and the protective circuit will be reset.
8
12
12
13
9
3
Fig.4
Speed Limit Release Button
Speed Limit Release Button
Speed Limit Release Button
Fig.5
Indicator
Indicator
4. Speed limit mechanism
When the motor is operated with a load
exceeding the limit or the handpiece is in an
unrotational condition, the circuit to protect the
motor and unit works to stop the power supply
to the motor, an error code appears on
Indicator. (Fig.5)
5. Protective Circuit for Motor
6. Memory Function
CAUTION
Use of 40,000min
-1
(rpm) or more is allowable only when the bur manufacturer or dealer
specifies that the bur's acceptable rotation speed is 40,000 min
-1
(rpm) or more. If the
use of more than the acceptable rotation speed is made, the bur may be broken.
11
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