4
Operation
Entering Parameters
4-6
Sorvall Legend XF / XFR
Thermo Scientific
2. Press the TIME key
repeatedly to switch over to mm:ss or Hold mode respectively.
3. Enter the desired runtime using the numeric pad.
The digits show in sequential order.
4. Confirm your entry by pressing ENTER
.
Your entry will be automatically confirmed if you do not press any key for 5 seconds.
While the centrifuge is in operation, two different values can be displayed. The total running time
and the running time after reaching the maximum speed.
Press the CHANGE key
to toggle between the two display modes.
Continuous operation
During continuous operation, the centrifuge will continue running until you stop it manually with
the STOP key
.
Run time mode
Use the TOGGLE key
to set the run time counter start.
AT START
When AT START is lit, the running time will be counted right from pressing the START key
.
AT SPEED
When AT SPEED is lit, the running time will be counted once the preset speed or the preset
RCF-value respectively have been reached. In this case, the selected acceleration curve has no effect
on the running time.
Preselecting the temperature
You can preselect temperatures between -10 °C and +40 °C.
While the centrifuge is in operation, two different values can be displayed. The sample temperature
and the chamber temperature. Press the TOGGLE key
to toggle between the two display modes.
AIR
When AIR is lit, the temperature inside the rotor chamber will be controlled. This setting is
recommended when using the centrifuges pretemp feature.