USER MANUAL DENTAL UNIT - QS4-451-01 / SD 300 Scandinavian
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8.2.- Instrument control pedal (adjustable)
It proportionally regulates the optional instruments on the instrument tray: micromotor, turbine
and ultrasound.
Regulation of the electric micro-motor’s turning speed and power of the turbine; with air only, or
with air and water, using the lever-operated spray function. “Chip blower” function.
Direction change function for electric micromotor only. Independently defined for each
micromotor (the instrument tray carries up to 3). Once the micro-motor has been selected, any
touch to the movement functions (E, F or G) reverses it. On/off ultrasound activation (pedal
does not regulate).
Does not control cannula support instruments; supports only those on the instrument tray
(except ultrasound which is activated separately).
Optional instrument hygiene: turbines and micromotors, expelling every drop
of water using an automatic air blower, while the chip valve is delayed by
relaeasing the control pedal
Safe movement of all optional instrument tray items: by adjusting the control
lever the chair is locked in place, or it can be secured in any position.
PEDAL FUNCTIONS (Fig. 5)
A. Button for instrument selection of air + water combination:
Starting working point is for instrument without water.
First touch will provide spray function: air and water. Next one, only water.
Selection is maintained until the pole is hung up.
B. Chip-blower control button / lever. Short burst air blower.
C. Lever for the start-up and acceleration of a pre-selected instrument from the instrument
tray. Increasing proportionality from left to right. It should be pressed simultaneously when
moved.
D. Recline chair manually movement.
A single press activates the automatic return-to-zero movement.
E. Raise chair manually movement.
F. Backrest recline manually movement.
G. Backrest return manually movement.
Any touch to the movement functions (E, F or G) reverses micromotor rotating sense.
E
G
F
D
C
B
A
Fig. 5
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