3. Operation
The height adjustable stand slide can be moved vertically by hand.
To ensure that the slide remains in the desired position, the slide can be locked  
by using the lock button (1).
y  To adjust the slide when it is locked, proceed as follows:
    –   Turn and remove the lock button (1) on the stand slide.
  –   Move the stand slide to the desired position.
  –   Re-secure the lock button (1) in the desired position by turning it.
y  You can leave the lock button (1) in the pulled-out position to make frequent 
slide position changes easier.
If you have additional questions, please contact your local Sartorius Service.
  Operation  7
(1)