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8
Opening and closing the lid
8.1
Opening the lid
The lid can only be opened when the centrifuge is switched on and the rotor is at rest. If it cannot be
opened under these circumstances, see the section on “Emergency release”.
•
Rotate the turning handle on the front panel to the left. The symbol " " (lid open) illuminates in the rotation
indicator
.
•
Open the lid.
8.2
Closing the lid
Do not bang the lid shut.
•
Place the lid and lightly press down the front edge of the lid.
•
Turn the handle on the front panel to the right . The symbol " " (lid closed) illuminates in the rotation indicator
.
9
Control and display elements
See figure on page 2.
Fig. 2: Display and control panel
9.1
Symbols on the control panel
Rotation indicator. The rotation indicator lights up and rotates anticlockwise while the rotor is turning.
When the rotor is stationary, the status of the lid is displayed by symbols in the rotation indicator:
Symbol : Lid open
Symbol : Lid closed
Operator errors and occurring faults are indicated on the display (see Chapter "Faults").
9.2
Keys and setting options
RPM x 100
•
Speed
A numeric value of 500 RPM up to the maximum rotor speed can be set. For maximum rotor speed,
see chapter "Anhang/Appendix, Rotor und Zubehör/Rotor and accessories". Preset in steps of 100
(RPM = displayed value x 100).
If the key or is kept pressed, the value changes with increasing speed.
•
Display the brake step.
t
•
Running time
- Preset from 1 - 99 minutes, in 1 minute steps
- Continuous operation "--"
•
Braking steps 0 or 1. Step 1 = short run-down time, Step 0 = long run-down time.
If the key or is kept pressed, the value changes with increasing speed.
START
•
Start centrifugation run.
STOP
•
End centrifugation run.
The rotor runs down with the preselected brake step.
•
Save the brake step.
•
Short-time centrifugation.
The centrifugation run occurs while the key
is kept pressed.
•
Display the brake step.
