User guide

57
Agilent 7890A Gas Chromatograph
Advanced User Guide
Agilent Technologies
3
Options
About Options 58
Calibration 59
Maintaining EPC calibration—inlets, detectors, PCM, and AUX 59
Auto zero septum purge 60
Auto flow zero 59
Zero conditions 60
Zero intervals 60
To zero a specific flow or pressure sensor 60
To zero all pressure sensors in all modules 61
Column calibration 61
Communication 65
Configuring the IP address for the GC 65
Keyboard and Display 66