Functions and operation 9
Issue Q3
Activating speed control:
Press the key once. The symbol appears on the display or the LED lights up
next to the symbol on the foot unit
The activation of the cruise control is acknowledged by a vibration signal on
the handpiece.
As soon as the speed is kept constant for longer than two seconds via the con-
trol element (knee plate or foot lever), the control element can be released,
whereby the handpiece continues to run at the last used speed. Press the con-
trol element to stop the handpiece.
Fig. Display knee device Cruise control is activated.
9.5
Changing the handpiece rotation direction
The Q3 handpiece can be switched from clockwise to counterclockwise rotation. The de-
fault direction of rotation is right-hand.
Changing the direction of rotation:
Briefly press the button.
The symbol or on the display shows the selected direction of rotation or the
LED next to the symbol on the foot device lights up.
The change in the direction of rotation is acknowledged by a vibration signal
on the handpiece.
If the Q3 handpiece is used to a greater extent in counter-clockwise rotation,
the collet can theoretically come loose. If Q3 is used by left-handers with left-
hand tools, the special left-hand handpiece, item no. 9002/08 can be used.
9.6
Tool change on handpiece
The collet can be opened or closed by turning the grip on the handpiece.