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12 Closing
biosafety
systems
In order to guarantee that it is sealed, the lid to the biosafety system has to be firmly closed.
In order to prevent the packing ring from twisting when opening and closing the cover, the packing ring must
be lightly rubbed with talcum powder or a rubber care product.
For further details of available biosafety systems see chapter "Anhang/Appendix, Rotoren und Zubehör/Rotors
and accessories". If in doubt, you should obtain relevant information from the manufacturer.
Lid with screw top, without hole in turning handle:
Close the lid firmly by hand by turning in clockwise direction.
13
Control and display elements
See figure on page 2.
Fig. 2, Fig. 3:
Display and control panel
13.1 Control
knob
For setting the individual parameters.
Turning anticlockwise reduces the value. Turning clockwise increases the value.
13.2
Control panel pushbuttons (keys)
SELECT
Selection control key for selection of specific parameter.
The subsequent parameter is selected by every further keystroke.
START
PULSE
Start centrifugation run. The LED in the button lights up during the centrifugation run as long as the
rotor is turning.
Short-term centrifugation.
The centrifugation run is effected as long as the button is held down. The LED in the button lights up
during the centrifugation run as long as the rotor is turning.
Store inputs and changes.
STOP
OPEN
End centrifugation run.
The rotor runs down with a pre-selected brake step. The right-hand LED in the button lights up until the
rotor is stationary. Once the rotor is stationary the left-hand LED flashes in the button. Pressing the
button twice triggers the EMERGENCY STOP.
Unlock the lid.
The left-hand LED in the button goes out.
Leave the parameter input.
RCF
Switch between RPM and RCF display.
RCF values are displayed in
> <
.
Start pre-cooling.
The pre-cooling speed is settable. It is pre-adjusted to 10000 RPM.
