Campbell Scientific PC400 Datalogger Support Software - Manual (Page 110)

Section 6. View
6.6.5 Zoom Feature
You can zoom in on a particular area of a graph by holding the left mouse
button and dragging the mouse cursor from top-left to bottom-right over the
area to be zoomed. Dragging the mouse cursor from bottom-right to top-left
will undo the zoom. This can also be accomplished by pressing the Undo
Zoom
button on the toolbar.
6.6.6 Graph Cursor
Pressing the Graph Cursor icon on the toolbar will show the graph cursor.
As shown in the following figure, the graph cursor is a vertical line extending
from the top to the bottom of the graph display. When visible, you can click
and drag the cursor across the graph. Data values at the current cursor position
will be shown in the table to the right of the graph.
6.6.7 Keeping Graph on Top
The graph can be kept in front of the data view window by selecting View |
Keep Graph on Top from the menu or pressing this button on the main
View toolbar .
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