The flag table displays a quick preview of sample quality and identifies samples
that may need investigation. The flag table is linked to the plate view.
2.
Click a flag to select the associated well in the plate view:
Note:
If no samples are listed in this pane, no flags were found and the samples
have passed quality checks.
•
All samples passed
•
At least one sample is in the suspect range and requires review
•
At least one sample is offscale or is in the fail range
3.
To filter the flag table, select a flag type. To sort the table, double-click column
headers.
The flags you may see in the flag table are:
Flag/Symbols
Description
Offscale
(green or red)
(red) At least one data point in the analysis range has
saturated the CCD camera.
Note:
In the View Results screen, an offscale sample is
flagged with .
QV: Average Quality
Value (sequencing)
(green, yellow, red)
(yellow) or
(red) The Average Quality Value (based on
CRL, Trace Score, and QV20+ results) is in the Suspect or
Fail range. For information, see “Basecalling protocol—QV
SQ: Sizing Quality
(fragment)
(green, yellow, red)
(yellow) or
(red) The Sizing Quality is in the Suspect
or Fail range. For information, see “Sizecalling protocol—
IMPORTANT!
Normalization is not applied to samples
with
(red) Sizing Quality.
Chapter 3
Set up and run
Check sequence or sample quality and re-inject samples
3
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3500/3500xL Genetic Analyzer User Guide—Data Collection Software v3.1
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