Sirona Dental Systems GmbH
9 Dentist element and instrument functions
C3
+
9.4 Electric motor
59 06 404 D 3390
D 3390.201.01.18.02
51
9.4
Electric motor
Speed setting
When you pick up an
electric motor
, the programmed
speed of the motor in
RPM
(revolutions per minute)
appears on the display.
You can set the speed with the quick adjustment keys on
the left side of the dentist element control panel.
If the cursor is in the intensity setting block, then the
speed can also be set with the foot switch with cursor
forwards/back.
When you press the corresponding key briefly (< 0.5 s)
then the value in RPM (min
−
1
) indicated next to the rele-
vant key appears on the display:
When the speed is set with the cursor, the displayed
value is incremented/decremented in steps of 10000
when actuating the foot switch briefly (< 1 s) forwards or
back.
At the values of 200, 20000, 40000, the green LED in the
corresponding key lights up.
When you
press and hold down
a key for > 0.5 s, you
adjust the speed in predefined increments:
When you press a key whose value is > the value shown
on the display for > 0.5 s, the speed is increased.
When you press a key whose value is less than the value
shown on the display for > 0.5 s, the speed is reduced.
When you actuate the foot switch forward or backward
for > 0.5 s, the displayed speed value is increased or
reduced in predefined increments.
If intermediate values are set, the green key LED does
not
light up.
Counterclockwise rotation key
Counterclockwise rotation
key, only for
electric
motor
.
When this key is activated the green LED in the key is
illuminated.
After you start the electric motor with the foot switch, an
audible warning signal sounds 6 times.
A
RPM
Key
1
–
200 rpm
Key
50
–
20000 rpm
Key
100
–
40000 rpm
Increments
200:
of
200
–
2000 rpm
Increments
400:
of
2000
–
10000 rpm
Increments
1000: of
10000
–
40000 rpm
