The chromatogram overview is shown automatically in the Chromatogram Editor. To close the overview click on the Show overview toolbar button.

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     <img src="/wiki/download/attachments/20873532/Chromatogram Overview and Show-Hide Chromatogram.png"/>
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To show/hide chromatogram click on the corresponding toolbar button:

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     <img src="/wiki/download/attachments/20873532/Chromatogram Overview and Show-Hide Chromatogram_1.png"/>
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