96 5975 Series MSD Operation Manual for MassHunter
3 Operating in Electron Impact (EI) Mode
8 In the Manual Tune dialog, select the Vacuum Control tab.
9 Click Pump Down in the Vacuum Control dialog and follow the system prompts.
10 When prompted, turn on the GC/MSD interface heater and GC oven. Click
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.
11 After the message Okay to run appears, wait 2 hours for the MSD to reach
thermal equilibrium. Data acquired before the MSD has reached thermal
equilibrium may not be reproducible.
CAUTION
Do not turn on any GC heated zones until carrier gas flow is on. Heating a column with
no carrier gas flow will damage the column.
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