EN
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13
Setting the brake step
•
Switch off the mains switch.
•
Keep the key beneath the speed indicator and the key
IMPULS
pressed simultaneously.
•
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.:
RCF
START
STOP
IMPULS
RCF
START
STOP
IMPULS
If the machine version and brake step are not displayed, press the key under the speed indicator until they are
displayed.
The machine version is set by the manufacturer and cannot be changed.
•
Set the desired brake step with the keys beneath the time indicator.
Step 1 = short run-down time, Step 0 = long run-down time.
For run-down times, see chapter "Anhang/Appendix, Rotoren und Zubehör/Rotors and accessories".
•
Press the key
STOP
to save the setting.
14
Setting the centrifuging radius
The centrifuging radius must be entered in centimeters.
•
Switch off the mains switch.
•
Keep the key beneath the speed indicator and the key
IMPULS
pressed simultaneously.
•
Switch on the mains switch and release the keys again.
•
Press the key beneath the speed indicator until the following display appears:
RCF
START
STOP
IMPULS
The set centrifuging radius is displayed in the speed indicator.
•
Set the desired centrifuging radius with the keys beneath the time indicator.
For centrifuging radius, see chapter "Anhang/Appendix, Rotoren und Zubehör/Rotors and accessories".
•
Press the key
STOP
to save the setting.
15 Centrifugation
When the centrifuge is running, according to EN / IEC 61010-2-020, no persons, dangerous substances or
objects may be within the safety margin of 300 mm around the centrifuge.
If the permissible weight difference is exceeded within the rotor loading, the drive switches off during the run-
up time, and error
-3-
is displayed (see chapter "Faults").
The centrifugation run can be interrupted at any time by pressing the key
STOP
.
The time and speed can be changed during the centrifugation run, with the keys .
If the key or is kept pressed, the value changes with increasing speed.
After a centrifugation run, the display flashes until the cover is opened or a key is pressed.
If the symbol " " (lid closed) and " " (lid open) flashes alternately in the rotation indicator , operation of the
centrifuge can only be continued after opening the lid.
If
rot xx
is displayed, no centrifugation run has taken place because the rotor has been changed, see chapter
"Rotor Identification".
•
Switch on the mains switch (switch position "
Ι
").
•
Load the rotor and close the centrifuge cover.
