HT2000H_en_n.doc Page 105 of 167
5.3 HT2000H/HT2000HT: Sequence
5.3.1 Sequence Menu
This function is used to edit a sample list (later refered to as Sequence). Access sequence:
RUN>SETTINGS>SEQUENCES
The sequence is a program (a list of instructions) that defines a series of injections also know as an
Automatic Run (see paragraph 7.3 “Automatic run”). The program has 16 steps (1 to 16). Each step
defines different parameters involved in the injection cycle (tray type, method, first sample, last
samples, cycles etc..). Each step can work alone or with other steps (see para 7.3 “Automatic run”).
The “RUN: SEQUENCES” screen displays the sequence steps stored in the autosampler memory. The
steps can be identified by the number or by a name.
The name can only be created or edited using a PC. Once the names have been created, they will be
visible on the touch screen.
Select a step number/name to enter the “STEP X” screen (X is a number from 0 to 16, that can be
followed by the step name) to view or edit the parameters. See paragraph 5.3.2 “Setting sequence step
parameters”).
Select “Tools” to access to the “SEQUENCE TOOLS” screen (see paragraph 5.3.3 “Sequence tools”)
Tap “Exit” to exit from the “RUN: SEQUENCES” screen.
5.3.2 Setting sequence step parameters
This screen is used to display or edit a sequence step. Access sequence:
RUN>SETTINGS>SEQUENCES>STEP X
In the “STEP X” screen (to see how reach this screen see paragraph 5.3 “HT2000H/HT2000HT:
Sequence“), the following parameters are available:
• Tray type: specifies the type of tray to use;
• Method: specifies the method to be used;
• First Sample: specifies the number of the first vial to run;
• Last Sample: specifies the number of the last vial to run; all the vials from the first sample to
the last sample position will be run. Therefore, the last sample must be equal to or higher than
the first sample;
• Injection Mode: can have one of the following values:
Default
Uses the injection port defined in the Setup (see paragraph 4.2.4.3 “Setup con-
figuration: Run”)
Front
Injects only in the first injector
Rear
Injects only in the second injector
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