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| Roman Savochenko || -1 ms (parent) |} The element, shown in Figure 3.1.2, implements a dialog of selection the data source, often the archive ones, for the trend formation in the "Graphics group" frame. Selection is provided from the list, specified in the attribute "Select: parameters accessible to select (allowSelLst)" of the frame-initiator. For the selected source you can specify the name, scale, logarithmic scale, dimension and the color of the trend.