User`s guide

Operation
129
8. Center the tube in the lower mobile seal and push down
on the seal with the tube. Gently push the tube in and
center the tube under the upper seal while it is seated
and then release the tube.
9. The method can be stopped at any time by pressing the
Stop button. A confirmation pop-up window will be
displayed, press Yes to confirm that you want to stop the
run. The analysis on the current tube is aborted and the
tube will be unloaded. The method will be interrupted
and the instrument will revert to Standby.
Single Method Operation on the ATD
Once you have set up the ATD and entered a method for your
application, you are ready to begin analyzing your samples.
Single method operation is the simplest. Single Method Operation
must be selected. See Preferences Tab on page 117.
To start a run:
1. Ensure that the GC is ready.
2. Select the Run tab. If you have selected single method
operation, instructions will be displayed on the tab.
3. If you are running a single method and the method has
been pre-selected then you only need to enter the start
and stop tubes.
4. Press the start tube entry box and then press the plus or
minus button to select the desired start tube.
5. Enter the desired end tube.
6. If the method has not been pre-selected, select the
method from the drop-down box.
NOTE: These options can be selected on the Preferences Tab. See
Preferences Tab on page 117.
7. The Start button should be green. Press the Start
button.
8. The button will change to a red Stop button. The Rotate
button will also change to Pause.