4 Operating in EI Mode
108 5975/5977 Series MSD Operating Manual
11 The software will turn on the ion source and mass filter (quad) heaters. The
temperature setpoints are stored in the current autotune file. The pump
down status and “the MSD actual parameters” in comparison to “criteria
required for pump down completion” is shown.
12 Wait for the MS to reach thermal equilibrium.
After the message Okay to run appears, wait 2 hours for the MS to reach
thermal equilibrium. Data acquired before the MS has reached thermal
equilibrium may not be reproducible.
13 When the pumpdown is finished, click OK to clear the pump down status
window.
14 Tune the MS.
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