PerkinElmer QuantaSmart 1694267, Reference Manual

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MAINTENANCE AND TROUBLESHOOTING
PerkinElmer Life and Analytical Sciences 171
BGO spectrum not present
External standard counting was attempted on an instrument with a BGO detector
guard before the SNC/IPA calibration was performed.
Perform the SNC/IPA calibration.
C (message column)
If this character appears in the Message column of a report, this indicates that
the color quench correction for this sample is suspect (tSIE < 100).
The reported sample results may be invalid.
Cannot associate an assay with the priostat flag while that assay is
active.
An assay cannot be associated with the priostat flag while priostat is active.
Allow the current set of priostat samples to finish counting before changing the
assay that is associated with the priostat protocol flag.
Cannot associate another assay to this flag while the current assay
associated with this flag is active.
Multiple assays cannot be associated to the same protocol flag number.
Allow the instrument to complete the current assay. Once the assay is completed,
you can disassociate the assay from the protocol flag and associate a different
assay to it.
Cannot change priostat flag association while priostat is active. Stop
priostat first.
The assay that is associated with the priostat flag cannot be changed while
priostat is active.
Allow the current set of priostat samples to finish counting before changing the
assay that is associated with the priostat protocol flag.
Cannot disassociate assay from this flag while the assay is active.
The protocol flag for the assay that is currently counting cannot be disassociated
from the assay while it is active.
Allow the instrument to complete the current assay before disassociating it from
the protocol flag.