To Vent The Ci Msd - HP 5973 MSD Hardware Manual

 CI setup
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To vent the CI MSD

Software changes
This procedure is the same as in the HP 5973 MSD Hardware Manual except for the
following details. See the MSD reference Collection CD-ROM for a video of this
procedure.
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The software will instruct you to press the Gas Off button to turn off the reagent
gas flow and close the isolation valve. The software will prompt you when it is safe
to switch off the power.
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C A U T I O N Be sure the GC oven and the MSD are cool before turning off carrier gas flow.
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C A U T I O N The
operation.
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38
Diagnostics/Vacuum Control
light must be on when the MSD is venting or pumping down, and during EI
Gas Off
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Vent