Agilent Technologies 5977B Series Operating Manual page 118

4 Operating in EI Mode
Figure 40
11 Click Pump Down in the Vacuum Control dialog, and follow the system prompts.
Do not turn on any GC heated zones until carrier gas flow is on. Heating a column with
C A U T I O N
no carrier gas flow will damage the column.
12 When prompted, turn on the GC/MSD interface heater and GC oven. Click
13 After the message Okay to run appears, wait 2 hours for the MSD to reach
14 If using the JetClean system, prepare the hydrogen system for use. Refer to
118
Vacuum control dialog
OK when you have done so.
The software will turn on the ion source and mass filter (quad) heaters. The
temperature setpoints are stored in the current autotune (*.u) file.
thermal equilibrium. Data acquired before the MSD has reached thermal
equilibrium may not be reproducible.
the JetClean system Operating manual for warnings regarding hydrogen
safety.
5977B Series MSD Operating Manual
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