AS Autosampler Operator’s Manual
254 Doc. 065051-03 1/08
INJECT PORT
VOLUME
The volume of tubing between the inject port and
injection valve. This is the amount of extra liquid
that must be dispensed when loading the loop to
accurately position the sample. This value is
determined at the factory and should not be
changed unless a new needle seal assembly is
installed. If the AS is configured for sequential
mode (see
SAMPLE MODE above), enter the inject
port volume for system 1 in the
S1 field and the
volume for system 2 in the
S2 field.
1 to 999 μL
(default=25)
FLUSH SYRINGE
SPEED
(This parameter is displayed only when the AS is
controlled exclusively from the front panel.)
The syringe speed to use for flush operations,
including reagent flushing and priming after
concentrator loading. Be sure to select a speed that
does not produce backpressure of more than
690 kPa (100 psi). See Section 3.8
for details. In
general if you are using a 5 or 10 mL syringe,
select a speed of 1 or 2.
1 (slowest) to
5 (fastest)
(default=4)
EMPTY SYRINGE
SPEED
This parameter is displayed only when the AS is
controlled by Chromeleon or Chromeleon Xpress.
The speed the syringe moves during various
syringe empty actions. Accept the default value.
1 (slowest) to
5 (fastest)
(default=4)
SAMPLE MODE DESCRIPTION
NORMAL (default)
Injections to a single system (full-loop, partial-loop, or
partial-loop, limited-sample).
CONCENTRATE
Injections to a single system when the sample loop is
replaced by a concentrator column.
SIMULTANEOUS
Injections to two systems simultaneously (full-loop).
Requires the simultaneous injection option.
SEQUENTIAL
Injections to two systems in sequence (full-loop, partial-
loop, or partial-loop, limited-sample). Requires the
sequential injection option.
SEQUENTIAL CONCENTRATE
Injections to two systems in sequence when the sample
loop is replaced by a concentrator column. Requires the
sequential injection option.
Screen Field Description Values
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