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Chapter 1 Introduction
9.
After the lamp has been tuned, SnapShot will purge
the column and heat the isothermal column oven.
The instrument status will be "Chck" while the oven
heats. The status will then change to T u r f while
the column is purged for the duration of one analysis.
When the instrument status changes to Tedy" Snapshot
is ready for operation. A new cylinder will provide approximately 8 hours of operation. If the instrument is not in use
you can stop the flow of carrier gas by turning the carrier
gas shut-off valve clockwise. Snapshot will automatically
turn the lamp off when the carrier gas supply is shut off.
The carrier gas shut-off valve does not control the actual
flow rate. The flow rates are set automatically by the
application module. Flow rates will differ from one application module to another.
Note: Do not remove the carrier gas cylinder from Snapshot
until the cylinder is empty. You will know the
cylinder is empty when a "Chck" status is displayed.
Press the TUTOR key. The message will be "Carrier
pressure is now low".
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Snapshot User's Manual
9