142 Operation Manual
10 Configuration
General Topics
To Unlock the GC Configuration
Accessory devices including inlets, detectors, pressure
controllers (AUX EPC and PCM), and temperature control
loops (Thermal AUX) have electrical connections to a power
source and/or the communication bus in the GC. These
devices must be assigned GC resources before they can be
used. Before assigning resources to a device, you must first
unlock the GC configuration. If you try to configure an
Unconfigured device without unlocking the GC configuration,
the GC displays the message CONFIGURATION IS LOCKED Go to
Keyboard options to unlock.
It is also necessary to unlock the GC configuration if you are
removing the GC resources from a Configured device. This
action returns the device state to Unconfigured.
To unlock the GC configuration:
1 Press [Options], select Keyboard & Display and press [Enter].
2 Scroll down to Hard Configuration Lock and press [Off/No].
The GC configuration remains unlocked until the GC is
power cycled off and on.
Ignore Ready =
The states of the various hardware elements are among the
factors that determine whether the GC is Ready for analysis.
Under some circumstances, you may not wish to have a
specific element readiness considered in the GC readiness
determination. This parameter lets you make that choice.
The following elements allow readiness to be ignored: inlets,
detectors, the oven, PCM, and auxiliary EPC modules.
For example, suppose an inlet heater is defective but you
don’t plan to use that inlet today. By setting Ignore Ready =
TRUE for that inlet, you can use the rest of the GC. After the
heater is repaired, set Ignore Ready = FALSE or the run could
start before that inlet’s conditions are ready.
To ignore an element's readiness, press [Config], then select
the element. Scroll to Ignore Ready and press [On/Yes] to set it
to True.
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