Laboratory centrifuge Sigma 2-7, Sigma 2-7 Cyto
Laboratory centrifuge Sigma 2-7 IVD
6 Using the centrifuge
Version 07/2015, Rev. 1.12 of 16/07/2019
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Translation of the original operating manual, part no. 0702802
The selected delay is activated. During the set start delay, the word "clot" is
displayed and the blue LED flashes slowly. When the actual centrifugation
process starts, the LED lights continuously.
• To deactivate the delay function, proceed as described above and
select the value 0.
6.3.12 Sound signal
This function provides a sound signal that is issued at the end of a
centrifugation run, in the event of an imbalance, or when an error message
is displayed. In the factory settings, the sound signal is activated.
• To deactivate the sound signal, press and hold the Set button.
• Press the upper arrow button 2 times and then release the Set button.
The sound signal is deactivated.
• Proceed in the same manner in order to activate the sound signal.
6.3.13 Button signal
This function provides a sound signal that is issued whenever a button is
pressed. In the factory settings, the button signal is activated.
• To deactivate the button signal, press and hold the Set button.
• Press the upper arrow button 6 times and then release the Set button.
The button signal is deactivated.
• Proceed in the same manner in order to activate the button signal.
6.3.14 Button lock
In order to prevent any unauthorised use of the centrifuge, its buttons can
be locked. In the factory settings, the button lock is deactivated.
• To activate the button lock, press the Start/Stop button 3 times while the
lid is open. When pressing it the third time, hold it until the lock symbol
is displayed.
The button lock is activated. The Start/Stop button, lid button, and arrow
buttons for selecting the indication of the speed or RCF value remain active
even if the button lock is active.
• Proceed in the same manner in order to deactivate the button lock.
