15
Prologue
c Always wear protective clothing, particularly gloves, when handling samples.
c To prevent damage to the flow chamber, no particles larger than 80 μm should enter the measurement
system.
c Particles (especially microcarriers) larger than 90 μm should not gain access into the Analyzer because
they cause irreparable damage and render the device non-functional.
c Dirt or dust particles should not gain access into the device.
c Ensure that all equipment required for sample preparation, for example, Cedex Sample Cups, pipette
tips, etc., are stored in a dust-free environment since coarse dust particles can impair the flow chamber’s
functionality.
c Check that the Cedex Sample Cup is free of contamination before use. Only clean Cedex Sample Cups
can guarantee optimal functioning of the Cedex HiRes Analyzer.
c Ensure that the Trypan Blue solution is free of contamination, otherwise filter prior to use. Roche
recommends the use of the Cedex HiRes Reagent Kit.
c Back up the database regularly to secure your measurement data.
The manufacturer is not responsible or liable for any damages resulting from improper use or failure to
comply with the regulations in the Operating Instructions.
Measurements that have been migrated from older software database versions may have a different nomen-
clature with regard to certain information (e.g., Cell Type names or Precision names) than those described
in this manual. The settings described in this manual apply to measurements that have been performed with
Software version 2.4.
The Software and hardware of your Cedex HiRes Analyzer can differ from the information described here,
but this should not make a difference to the operational functions in general.
Warnings and Precautions
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