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4
Operating in EI Mode
104
5975/5977 Series MSD Operating Manual
Vent the MSD
Procedure
1
Select
Method > MSD > Maintenance > Vent/Pump Down
and click
Vent
to
begin the process. Follow the instructions presented.
2
When prompted, turn the vent valve knob counterclockwise only 3/4 turns or
until you hear the hissing sound of air flowing into the analyzer chamber
Figure 29.
Vent the MSD