User`s guide

Operation

175

Sample tubes with pen clips may be loaded onto the TD. The tube

must be placed into the TD with the pen clip facing back, toward the

back of the instrument.

To load the tube:

1. Remove both caps from the tube. Ensure that the

instrument is Ready.

2. Place the tube into the tube compartment with the

sampling end (grooved end) upwards.

3. 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 below the upper seal until it is seated and

then release the tube.

4. Press the Seal Up button to raise the mobile seal.

5. Press Start.

6. Once the tube has been sampled, the display status will

be: Cooling. Do not touch the tube while this message is

displayed. The tube will still be hot from the desorption

process.

7. When the instrument status changes to Ready, press the

Seal Dwn button. The Mobile Seal will move down and

the tube will be released.

Single Method Operation on the TD

Once you have set up the TD 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.

1. Ensure that the GC is ready.

2. Select the Run tab. Instructions will be displayed on the

WARNIN

Ensure that sample tubes are cool before handling them.