94 User Information
Entering a Method
Entering a Method
How to create a method
To create a method for the Headspace Sampler via the keypad,
enter values for each setpoint in the following menu screens:
• Zone Temps: see page 95
• Event Times: see page 97
• Vial Parameters: see page 100
Each of these screens contains a number of setpoints. To enter a
value for a setpoint, use the cursor keys to scroll to that
setpoint, key in the value using the numeric keypad, then press
Enter. If the value is not within the allowed range, the sampler
displays a message showing the allowed range. Press any
non-numeric key to remove the error message.
Press Clear to remove an incorrectly typed keystroke while
entering setpoint values. The Clear key also returns to the top
level of the display when a setpoint is not being entered.
Users may also set the vent valve purge time. Increasing the
vent purge time may reduce carryover and contamination. See
Vent Valve purging on page 84 for details.
After each setpoint is defined, store the method in one of four
storage locations. See page 102 for more information on storing
methods. Note that vial size is not stored as part of the method.
To run a sample, load the vials into the proper spots in the
sample tray then press Start.
medium_standard.book Page 94 Tuesday, February 17, 2004 10:14 AM
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