Roche Diagnostics
Operator’s Manual · Version 3.1 B-29
Cedex Bio System 5 Daily operation
Preparing the system
Replacing cuvette segments
2
Press a segment button.
A screen is displayed, informing you that the system is ready for cuvette handling.
3
Wait for the main cover LED to turn green.
4
Open the main cover.
5
Remove the segment and treat it as biohazardous waste.
6
Insert a new cuvette segment.
7
Press to confirm the replacement.
(Press if you removed the segment without replacing it.)
8
Do one of the following:
9
When you have finished replacing cuvettes, press to proceed to the next
stage in the Prepare wizard.
Performing reagent mixing
Reagents that contain Latex granules require periodic mixing. The mixing interval is
part of the application definitions and cannot be changed or deleted by the user. The
system checks every 30 minutes for reagent sets that require mixing.
Within the Prepare phase a screen is displayed that lists all reagent sets for which a
mixing interval is defined.
a To perform the mixing
1
Select the reagent sets you want to mix.
If working with the Prepare wizard, the reagent sets that need mixing are
automatically selected.
2
Press .
Mixing starts. A screen is displayed informing you about the progress of the
mixing action.
(If there is more than one bottle in the set with a mixing interval defined, it will be
mixed as well, irrespective of being due or not.)
3
When mixing is finished, press to close the screen.
Incorrect results due to scratched or soiled cuvettes
Scratches and impurities on the cuvettes distort the measurements.
Do not touch the cuvettes and make sure they do not touch other items when handling
them.
If Do this
You want to exchange another segment: Perform steps 2 through 7.
This was the last segment you wanted to
exchange:
Close the main cover.
When handling cuvette segments without using the Prepare wizard:
Choose Overview > . The system must be in Standby status.
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