Jenway 6715 - Manual (Page 85)

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Selecting the Find Peaks & Valleys Table icon displays the peaks and valleys in a table.
Scrolling through the table can be carried out using the Scroll Down and Scroll Up icons.
Selecting the Display Spectrum with Peaks and Valleys icon at any time returns to the spectrum
display.
obtaining Derivative Spectra
toolbar icon
Select Derivative
To obtain a derivative spectra select the Select Derivative icon and choose which derivative is
required (the range is from None to 4 th Derivative). The spectrum derivative display is updated to show
the spectrum.
Selecting the Back key returns to the original spectrum.