6 User Information
The G1888 Network Headspace Sampler 28
Oven 30
Heated zones 31
Vial tray 31
Sampling system 31
Transfer line 31
Keypad and display 32
Pneumatics 32
Principles of Operation 34
General operation 34
Power on diagnostics 35
Standby Condition 36
Vial pressurization 37
Filling the sample loop 38
Loop equilibration 39
Injecting the sample 39
End of cycle and vial recovery 40
Modes of Operation 41
Standard headspace extraction 41
Multiple headspace extraction with multiple vial puncture 43
3The Keypad
Accessing Functions 48
Editing setpoints 48
The Keypad 49
Keys and Their Functions 50
Enter 50
Clear 50
Numeric keypad 50
Tray Advan ce 50
Start/Stop key 51
medium_standard.book Page 6 Tuesday, February 17, 2004 10:14 AM