Roche Diagnostics
Operator’s Manual · Version 3.4 G-7
Cedex Bio analyzer Glossary
operator ID - raw data
operator ID An alphanumeric ID that a system uses to
identify a particular operator.
order Collection of all tests that are defined to be
performed for a particular sample.
order ID A set of alphanumeric data that unmistakably
identifies a particular sample order in the lab and is often
manually written on the sample label.
parameters A set of criteria or definitions used to
establish how an assay is performed. Examples of
parameters include sample and reagent volumes and
incubation times and temperatures. Such information is
typically contained in the application definitions and
cannot be changed by the operator.
password A form of authentication that uses secret
data to control access to a resource.
photometer A device that measures the intensity of
light.
photometer unit Complete photometer assembly,
including optical components, power supply,
preamplifyer and absorbance controller.
pipette (to …) The process of aspirating and
dispensing sample and reagents, performed by an
appropriate probe.
pop-up screen A screen that contains additional
information or additional options required for making
entries or decisions.
potentiometric assay An assay in which analytes (for
example Na or K) are measured by ion-selective
electrodes.
precision The closeness of agreement between
independent test results obtained under prescribed
conditions.
pre-diluent Ready to use liquid for the dilution of
calibrators, controls and samples via pre-dilution
cuvette.
pre-dilution A dilution step performed before samples
are analytically processed on the analyzer.
preventive maintenance A series of actions,
suggested by the system, that the operator should
perform to ensure smooth and uninterrupted operation
of the analyzer (for example, emptying the waste
container or replenishing reagents).
primary tube The original tube containing the sample
that has been drawn.
See sample tube.
prime The process of flushing a system, for example the
tubing, with ISE Calibrator indirect and water to clear it
of possible obstacles, traces of fluid, and of air bubbles.
profile A user-defined set of tests.
protocol 1. A convention or standard that controls or
enables the connection, communication, and data
transfer between two computing end points. Protocols
can be implemented by hardware, software, or a
combination of the two.
2. A set of rules that guides how an activity should be
performed.
QC Abbreviation for quality control. The operational
techniques and activities that are used to fulfill
requirements for quality.
QC measurement The process of performing a test
with control material.
query download A communication process between
analyzer PC and LIS by which a pre-defined data set is
transmitted upon request of the analytical instrument.
R1 Reagent 1; first reagent to be pipetted.
R2 Reagent 2; second reagent to be pipetted, pipetted
before sample aspiration.
RAM Abbreviation for random access memory.
Semiconductor memory devices used in computers.
RAM content is lost when a computer is switched off.
ratio A test result calculated from different individual
analytical methods with a given formula such as A/B.
raw data The unprocessed values obtained during the
analytical process on an analyzer (for example mVolt or
absorbance).
P
Q
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