THE SYSTEM SOFTWARE
PerkinElmer Life and Analytical Sciences 49
End Protocol
This menu item unloads any sample in the detector and ends the protocol; data
reduction continues until data from the last counted sample is reported. The
system begins counting the next protocol. This command is also available via the
checkered button on the Instrument Status Bar.
Forward
This menu item unloads any sample in the detector and moves the sample
changer in a counterclockwise direction.
Reverse
This menu item unloads any sample in the detector and moves the sample
changer in a clockwise direction.
Group Priostat
This menu item allows you to count a set of high priority samples immediately,
while temporarily interrupting the current protocol.
Stop Group
This menu item terminates counting of the Priostat (priority) samples; and
resumes counting of the interrupted samples.
Sample Priostat (not available on the 2800, optional on the 2900 TriCarb)
This is a special interrupt mode which allows you to: Preview sample count rates,
determine optimal counting conditions for variable and constant quench samples,
identify an unknown nuclide in a sample and determine the duration of
luminescence. This menu has the following options.
Decay
This menu item allows you to assess the duration of luminescence in a radioactive
sample via a decay histogram.
SPC Decay
This menu item allows you to assess the duration of luminescence in a non-
radioactive, luminescent sample via a decay histogram.
Identify Nuclide
This menu item allows you to identify an unknown nuclide in your sample using
the Quench Indicating Parameters SIS and tSIE.
Optimize Regions
This menu item allows you to optimize sample counting regions to provide the
highest figure of merit for Normal count mode.
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