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top tting. If, while handling the needle, the carriage rises due to the pressure made by the technician, press
the Lower Needle button for the needle to descend once again. Once the needle has been reassembled on
the analyzer, press the Park button for the needle to rise. It performs the self-centering test and the arm nally
returns to its parked position. These operations must be done with utmost care since they are carried out with
the analyzer cover open and the needle may be contaminated. Laboratory gloves must always be used.
4.4.2. Fluid system supply
On pressing the Test button, the analyzer lls the conduits of the dispensing system and the washing station
with distilled water. To perform this operation, the operating arm is moved to the washing station. The technician
can choose whether he wishes to prime the dispensing system, the washing system or both.
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