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4
Operating in EI Mode
When the MS is vented, do not put the MassHunter software into Instrument Control
WA R N I N G
view. Doing so will turn on the interface heater.
7
Figure 35
The MS vent valve knob
8
Allow the analyzers to cool to near room temperature before touching them.
WA R N I N G
Always wear clean gloves while handling any parts that go inside the analyzer
C A U T I O N
chambers.
100
Remove the analyzer window cover. (See
Access to the Analyzer Chambers"
Vent valve knob
Turn the vent valve knob counterclockwise only 3/4 turn or until you hear
the hissing sound of air flowing into the analyzer chamber. (See
Figure
35.)
Do not turn the knob too far or the O-ring may fall out of its groove.
"To Open Left Side Panel for
on page 94.)
YES
7000/7010 Series TQ GC/MS Operating Manual
NO
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