Labnet Z400 High Capacity Centrifuge - Manual (Page 14)

4.5 Preselection of operating time
You can adjust the desired operating time between 1 and 60 minutes or hold.
With the centrifuge lid open you can preset the operating time with the knob (3).
During the run and with the centrifuge lid closed you have to press additionally key
"preset" (1) to change operating time during the run.
The preselected running time will be indicated on the time display (5).
At the end of a run the preset operating time will be kept for further runs.
For continuous runs turn the knob clockwise to the limit stop. The continuous run
will be indicated on the digital indication with two minus signs "--".
You can stop a continuous run with key "stop".
4.6 Keyboard - Starting the centrifuge - "quick"-key
1 Key "quick": for short time runs
2 Key "lid": to open the centrifuge lid. If the green LED
of the key "lid" is lighting the lid is closed correctly.
3 Key "start": to start the centrifuge.
4 Key "stop": to stop the centrifuge before the preset
operating time has expired or to stop the centrifuge
at continuous run.
Figure 6
Starting the centrifuge Starting the centrifuge Starting the centrifuge Starting the centrifuge Starting the centrifuge
The rotor has to be fixed correctly and completely loaded (see point 3).
Close the centrifuge lid. As soon as the green LED of the key "lid" is lighting the
centrifuge can be started. Therefore press key "start".
"quick"-key - Short time runs
For short centrifuge runs you can start the run with the key "quick". Press the
key "quick". The centrifuge starts and keeps running as long as you press the
"quick"-key. The operating time will be indicated in seconds on the digital
indication "time".
4.7 Key "stop"
Press the key "stop" if you want to interrupt a centrifuge run. The centrifuge
decelerates according to the fix adjusted brake intensity. You can not change the
brake intensity.