Introduction 1
Operating Guide 17
The Operating Panel
The operating panel consists of the display, status lights, and
keypad. See “Software Keypad Operation” and the Advanced
User Guide, along with the complete suite of documentation
included on the Agilent GC and GC/MS Hardware User
Information & Utilities DVD that shipped with your
instrument for more detailed information.
The display
The display shows details of what is currently happening in
the Agilent 7820A GC.
Use the scroll keys to view additional lines in the display.
The display shows current temperatures, flows, pressures,
and information about GC readiness.
Indicator Lights
The GC has two status indicators below the display, Run and
Not Ready.
Stop
Prep
Run
Start
STATUS READY
Last run 0.15
Next run time 3.00
Oven temperature 35 35
Run Not Ready
Display
Indicator lights
Keys
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