Using the Spectrometer . 65
Quality Checks
Quality Checks can be set in the Advanced section on the Instrument tab of the Scan and
Instrument Setup dialog.
What are Quality Checks?
Quality checking is a tool for less experienced IR users that identifies possible problems
in the spectrum being collected and suggests ways of improving the measurement.
What do Quality Checks do?
Choosing Quality Checks displays a dialog that enables you to select the quality checks
you want to perform.
NOTE: For more information about each individual test, double click on the test in the
dialog.
When you collect your spectrum, the selected tests are performed as the data is collected
and the signal lights at the bottom of the Display tab,
, show the current status.
There are two levels of alert from the Quality Checks:
Caution (
) - IR Expert has identified a problem that you may want to investigate in
order to improve the quality of the spectra you are collecting.
Warning (
) - IR Expert has identified a serious problem that you should attempt to
cure before collecting further spectra.
If a problem is identified a dialog will be displayed that not only alerts you to the
problem, but also explains what the problem means, how it may of occurred and gives
some suggestions on how to stop the problem occurring again.
Quality Checks and the Multiple Sample tab
If Quality Checks have been set, the selected tests are performed as each spectrum is
collected, and a signal light (green
, amber , or red ) is placed in the Multiple
Sample tabs QC column to indicate its status.
¾ To examine Quality Check results in more detail, select the appropriate scan then
click the
button.
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