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Analytical Sequences
Defining a sequence
4. Press [Mode/Type] and select one of the three injector types.
5. Supply the rest of the subsequence parameters. If you are using both injec-
tors, there will be two sets of parameters.
• #Injections/vial—the number of repeat runs from each vial. Enter
0 if no samples are to be injected.
• Samples—the range (first-last) of sample vials to be analyzed.
6. If this is the Priority Sequence, set Use priority to On.
7. Proceed to the next subsequence or to the Post Sequence.
Procedure: Creating a valve subsequence
If your GC is equipped with a gas sampling valve and an (optional) multiposition
valve, a valve subsequence can be created.
1. Press [Seq] to open the sequence control table.
2. Scroll to a subsequence Method # line. If this is the Priority Sequence,
the line is labeled Priority meth #.
3. Enter a method number. Use 0 for the currently active method, 1 to 5 for the
stored methods, or Off to end the sequence.
The active method, 0, will change during the sequence if the subsequences
use stored methods. Therefore, method 0 should be chosen for the Priority
Sequence only if all subsequences use method 0.
4. Press [Mode/Type] and select Valve.
Sampler sequence
Press [Mode/Type] to select the type.
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