HT2800T_en_c.doc Page 148 of 275
In the “METHOD X” screen the following sub menus are available:
•
General: see paragraph 5.3.2.1;
•
Conditioning: see paragraph 5.3.2.2;
•
Wash &Clean: see paragraph 5.3.2.3;
•
Extraction: see paragraph 5.3.2.4;
•
Desorption: see paragraph 5.3.2.5.
Tap “Exit” to exit from the “METHOD X” screen.
If one of these parameters has been changed a confirmation screen appears “Modifying Method
X”. Tap “SAVE” to save the modifications or “CANCEL” to exit without saving. The display will
return to the “RUN: METHODS” screen.
5.3.2.1 General parameters
Access sequence: RUN>SETTINGS>METHODS>METHOD X>GENERAL
The following parameters can be viewed/edited:
•
Vial type: volume of the used vials. The vial type affects the limits of other parameters
such as depths;
•
Analysis Time: time of the sample analysis (for details see below). This parameter is
only taken into consideration by the autosampler if “Normal w/o Rdy” is set as
“Desorption Synchro” parameter (see paragraph 4.2.6.3 “Setup configuration: Run“);
•
Preparation Time: displays how long the autosampler needs to perform a cycle. It is
calculated from the instrument and is not editable (Time needed to transfer the vial from
the tray to the incubator, filling time, injection time, etc.).
Select “Exit” to exit from this screen and return to the “RUN: METHOD X” screen (see
paragraph 5.3.2 “Method X: Setting method parameters“).
Analysis time
The analysis time is the GC run time plus any additional time needed for the GC to execute any
post-run program and then return to a Ready state.
Please consider that the autosampler uses the analysis time (GC cycle time) to calculate
throughput and timing. An accurate analysis time is crucial to optimizing throughput and for
correctly processing samples.
If the analysis time is too long, this can cause lowered throughput because vials wait longer
than needed before processing. If the Analysis time is too short, this can cause sequence faults
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