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
Speed
RPM x 100
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
Display the brake step.
Running time
t
- 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
Start centrifugation run.
START
End centrifugation run.
STOP
The rotor runs down with the preselected brake step.
Save the brake step.
Short-time centrifugation.
The centrifugation run occurs while the key
Display the brake step.
10
Setting the brake step
Switch off the mains switch.
Keep the key
beneath the speed indicator and the key
Switch on the mains switch and release the keys again.
The speed indicator shows the machine version and the time indicator shows the set brake step: e.g.:
RPM x 100
t
If the machine version and brake step are not displayed, press the
displayed.
The machine version is set by the manufacturer and cannot be changed.
Set the desired brake step with the keys
Step 1 = short run-down time, Step 0 = long run-down time.
For run-down times, see chapter "Anhang/Appendix, Rotor und Zubehör/Rotor and accessories".
Press the key
to save the setting.
STOP
or
is kept pressed, the value changes with increasing speed.
or
is kept pressed, the value changes with increasing speed.
START
RPM x 100
STOP
beneath the time indicator.
is kept pressed.
pressed simultaneously.
START
t
STOP
key under the speed indicator until they are
EN
31/70