6 Create Methods, Sample Sets, and Sample Templates
160 July 29, 2013, 715003794 Rev. B
2. Enter values in the Autosampler screen as appropriate.
The following table describes the parameters in the Autosampler screen.
Autosampler parameters:
Parameter Function Value range
Pre-column
volume
The sample management system
starts the gradient and delivers this
volume before making an injection.
Use this parameter when
transferring a method from a system
that has a delay volume smaller than
that of the separations module. This
parameter can also be used to reduce
the delay volume of the separations
module for narrow or microbore
columns, because the sample is held
in the sample loop (if desired) until
the gradient front reaches the sample
loop.
0.0 to 10000.0 in
0.1 µL increments
Post Run Delay Provides time for a data system to
process data from the run. During
the delay, the separations module
draws the next sample into the loop
but does not perform an injection.
0 to 999.99 in
0.01 min
increments
On
Compression
Check Error
Response that occurs when the
compression check fails while
running a sample set or sample
template that specifies an automatic
compression check.
See “Alarm
responses:” on
page 154.
Needle Wash Allows you to choose one of three
options for needle wash duration.
“Normal”, the default value, operates
the needle wash cycle for
approximately 13 seconds. In cases
where excess carryover occurs, you
can choose either “Double (2×)” or
Extended (4×) to increase the
duration of the needle wash.
Normal – ~13 sec
Double (2×) – ~26
sec
Extended (4×) –
~52 sec
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