Operating Guide 3
Contents
1 Introduction
Where to Find Information 8
Online User Documentation 8
Chromatography Using a GC 10
The Front View of the Agilent 7890A GC 11
The Back View of the Agilent 7890A GC 11
The Inlets 12
The GC Column and Oven 15
Capillary Flow Technology 16
Detectors 17
The Operating Panel 18
The display 18
Status lights 19
Beeping instrument 19
Blinking setpoint 20
The keypad 21
2 Operating Basics
Overview 24
Instrument Control 25
Correcting Problems 26
To Start Up the GC 27
To Shut Down the GC for Less Than a Week 28
To Shut Down the GC for More Than a Week 29
3 Running a Method or a Sequence from the Keypad
Loading, Storing, and Running Methods from the Keypad 32
To load a method 32
To store a method 32
To manually inject a sample with a syringe and start a run 32
To run a method to process a single ALS sample 32
To abort a method 33
Loading, Storing, and Running Sequences from the Keypad 34
To load a sequence 34
To store a sequence 34