The 6890 Series Gas Chromatograph
Strategy
8
Strategy
The GC is organized around a set of control tables, each containing a group of
related setpoints. It is controlled by viewing and editing the tables to meet your
analytical needs. Some suggestions for doing this are:
• The content of many tables depends on what equipment is present. While
the GC can sense many of its components, some information (such as what
carrier gas is in use) must be entered by you. Always configure (define)
instrument elements before trying to use them.
• When setting up for analysis, configure the carrier gas first, then the column
mode, and finally the inlet. Detectors can be set up at any time.
• Use the [Config] key routinely to verify that the configuration is what you
believe it to be.
• Use the [Info] key for help with setpoint ranges, next action to perform, and
other advice.
• Many setpoints require that you select from a list of choices. The [Mode/
Type] key opens these lists. If a setpoint seems to call for an entry other than
a number or [On] or [Off], try [Mode/Type] to see if there is an underlying
menu.
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