Display

	Unzoom	Cancels all cuts (Ctrl + *).
	Zoom Out	Zooms out the current part of chromatogram. Also invoked by pressing - key.
	Zoom In	Zooms in the current part of chromatogram. Also invoked by pressing + key.
	Previous Zoom	Restores the previous chromatogram cut (Ctrl + -).
	Next Zoom	Restores the original cut abandoned by the Previous Zoom command (Ctrl + +).
	Properties…	Invokes the PDA Properties dialog for the settings of the graph properties. For more details see the description below the menu.

 

PDA Properties

Invoking the command or using the icon opens the PDA Properties dialog similar to the Graph Properties dialog. There are two new tabs there - Wavelength Axis tab is in all respects the same as the Signal Axis tab, and the Chrom&Spectral View tab described here.

PDA Properties - Chrom&Spectral View

Chromatogram View

Show Peak Purity Index

While checked, the peak purity index curve is displayed across whole chromatogram in the Chromatogram View. The curve is locked to the topmost fifth of the graph and has no Y-axis itself.

Show Active Signal

While checked, displays the active signal from the chromatogram (including labels) in the Chromatogram View pane.

Spectrum View

Sets the default normalization for the data on the Spectral View pane. The possible options are At Current Range, At Whole Range or Off. For more details see also chapter Spectrum.