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Click the Cal Check button located on the bottom left as shown in Figure 20, arrow A. The instrument will measure the stainless steel disk and check the peaks and their ratios to ensure that it’s getting the expected results. The Start [analytical measurement] button will remain grayed-out and disabled until the pXRFpasses the CalCheck. When successfully completed the white bar will say 'Cal Check completed successfully'. If the analyzer fails a Cal Check please refer to the ‘CalCheck Fails’ Section in Troubleshooting.
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