The chromatogram window

Main views

The chromatogram window is divided into four main views:

  • File Navigator

  • header information

  • curves

  • peak and pool tables

The displayed areas for the views can be adjusted by dragging the borders with the mouse cursor between the views.

The picture below shows an example of the window with all views present:

How to view header information

You can display header information at the top of a chromatogram, with details on variables, scouting variables, questions and/or notes. Header information cannot be displayed for imported chromatograms.

The table below describes how to display header information:

Step

Action

1

Open a result file.

2

In the Evaluation module, select Edit:Chromatogram Layout...

Result: The Chromatogram Layout dialog box is displayed.

3

  • Click the Header tab.

  • Select the options you want in the header.

  • Click OK.

4

  • In the chromatogram window, place the cursor at the top of the curve window (just below the toolbar) until the window sizing tool appears.

  • Drag the cursor down to display the header window.

How to view peak table information

The table below describes how to display peak table information if the result has been integrated:

Step

Action

1

Open a result file.

2

  • Choose Edit: Chromatogram Layout.

    Result: The Chromatogram Layout dialog box opens.

3

  • Click the Peak Table tab.

  • Select a peak table in the Select peak table to display list.

  • Select what peak table columns to display.

  • Check if global peak table data should be displayed or not.

  • Click OK.

How to view the Pool table

If fractions are pooled, the Pool Table is displayed in the same pane as the Peak Table.

  • Click the Pool Table tab to display the Pool Table information.

See How to pool fractions for more information on how to create the Pool Table.

Run curves, default appearance and information

The first time a result file is opened and viewed, a default layout is applied to display all the original curves. The default layout can be changed by the user (see How to save and apply a layout).

Information for each curve

Each curve is automatically assigned a default color and style, with default information about each curve displayed in the key above the curves. This information includes

  • result file name

  • chromatogram name

  • curve name.

Choose the Y-axis scale

Each curve has a correspondingly colored Y-axis. To choose the appropriate Y-axis scale

  • click on the Y-axis until the desired scale is displayed

or

  • click on the name of the curve.

Run curves, shortcut menu

When viewing curves in the Evaluation module, you can access a menu that provides a quick alternative to menu commands. Right-click the run curves view to display the menu shown in the picture below:

Optimizing the workspace

The chromatogram window can be minimized and maximized using ordinary Windows commands. The table below describes extra features to optimize the workspace:

Use the command

if you want...

Window:Arrange icons

to arrange icons of minimized windows.

Window:Tile

to view several chromatogram windows side by side.

Window:Cascade

to stack the open windows like a deck of cards.

How to display a vertical marker line

The table below describes how to display a vertical marker line:

Step

Action

1

Right-click the Curves pane and select Marker.

2

Drag the marker line with the mouse.

Result: Where the line bisects the curve, the X-axis and Y-axis values are displayed at the top right corner of the pane.

Note: Right-click and select Snapshot to record the marker position values. See Snapshots for more information about the Snapshot function.

How to set a reference point

The table describes how to set a reference point:

Step

Action

1

  • Display a Marker in the Curves pane.

  • Right-click and select Set Marker Ref. Point to define a reference point for the marker position.

2

When the marker is moved from the reference point, the X-axis and Y-axis values for the new position are displayed together with:

  • the new position in relation to the reference point,

  • the minimum, maximum and average values for the curve interval between the reference point and the new position.

How to display the logbook overlay

The table below describes how to display the logbook entries as an overlay in the chromatogram.

Step

Action

1

  • Right-click in the chromatogram window and choose Properties on the shortcut menu.

Result: The Chromatogram Layout dialog box opens.

2

  • Choose the Curve tab.

  • Select the Logbook curve.

3

  • Choose the Curve Style and Color tab.

  • Click the Filter button in the Logbook text alignment field.

Result: The Filter Logbook dialog box opens.

4

  • Select all the logbook items you want to display and click OK.

  • Click OK in the Chromatogram Layout dialog box.

Result: The selected logbook items are displayed in the chromatogram window.

How to view the complete logbook information

At some breakpoints there can be more logbook information than what is possible to conveniently display in the chromatogram window. The additional information that is not displayed is indicated by an arrow point symbol by the break point.

  • Hold the mouse cursor over the break point to display the complete information in a flyover text box, as shown in the illustration below:

2005-06-15