Axis BTA 2100D Instrukcja Operatora Pobierz pdf (Strona 85)

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Auto Tune Checks

In the top center of the screen you will see 4 check boxes. These are the auto

tune steps that are to be performed. If your system does not contain SIS, or

MS/MS the Trap Function Calibration does not need to be performed. To perform

the auto tune click the check boxes and click Start Auto Tune.

Each one of the items that you selected in the check boxes will now be executed.

If you checked the single step button, a single step will be executed but will not

proceed to the next until the continue button is clicked. You can stop the auto

tune at any time by clicking on the Reset button.

Air/Water Check

When you select Air/Water Check, you obtain a screen from which you can

determine the relative amount of air and water vapor in the vacuum manifold.

When you display the Air/Water screen, the following happens automatically: The

filament, electron multiplier, and rf voltage are turned on; AGC is turned off; and

the scan range is set to display the air/water spectrum (14 to 44 m/z). To

determine the air background, the width of the peak for mass 28 at 10% peak

height is calculated. To determine the water background, the ratio of mass 19 to

mass 18 is calculated.

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Axis BTA 2100D Instrukcja Operatora Strona 85

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