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Appendix A
Local operator interface
A.1 Interface components for displaying and
entering data
The local operator interface (LOI) has multiple components that you can use to interact
with the unit.
The LOIFigure A-1:
A.1.1 Light emitting diode indicators
There are three light emitting diode (LED) status indicators on the LOI that show the
overall status of the gas chromatograph. These LEDs are positioned to the right of the
display screen. Each LED, when lit, indicates a specific condition.