1.1 Labview environment  (Page 5/6)

Click the Step Out button, shown at left, to finish executing the current node and pause. When the VI finishesexecuting, the Step Out button becomes dimmed. You also can press the Ctrl and up arrow keys. By stepping out of a node, you complete single-steppingthrough the node and go to the next node.

The Warning button, shown at left, appears if a VI includes a warning and you placed a checkmark in the Show Warnings checkbox in the Error List window. A warning indicates there is a potential problem with the block diagram, but it does not stop the VIfrom running.

Palettes

LabVIEW has graphical, floating palettes to help you create and run VIs. The three palettes include the Tools , Controls , and Functions palettes. You can place these palettes anywhere on the screen.

Tools palette

You can create, modify, and debug VIs using the tools located on the floating Tools palette. The Tools palette is available on both the front panel and the block diagram. A tool is a specialoperating mode of the mouse cursor. The cursor corresponds to the icon of the tool selected in the Tools palette. Use the tools to operate and modify front panel and block diagram objects.

Select Window>>Show Tools Palette to display the Tools palette.

If automatic tool selection is enabled and you move the cursor over objects on the front panel or block diagram,LabVIEW automatically selects the corresponding tool from the Tools palette. You can disable automatic tool selection and select a tool manually by clicking thetool you want on the Tools palette.

If you want to use the Tab key to cycle through the four most common tools on the Tools palette, click the Automatic Tool Selection button, shown at left, on the Tools palette to disable automatic tool selection. Press the Shift-Tab keys or click the Automatic Tool Selection button to enable automatic tool selection again. You also can manually select a tool on the Tools palette to disable automatic tool selection. Press the Tab or Shift-Tab keys or click the Automatic Tool Selection button on the Tools palette to enable automatic tool selection again. If automatic tool selection is disabled, you can press thespacebar to switch to the next most useful tool.

Use the Operating tool, shown at left, to change the values of a control or select the text within a control. The Operating tool changes to the icon shown at left when it moves over a text control,such as a numeric or string control.

Use the Positioning tool, shown at left, to select, move, or resize objects. The Positioning tool changes to resizing handles when it moves over the edge of a resizable object.

Use the Labeling tool, shown at left, to edit text and create free labels. The Labeling tool changes to the following icon when you create free labels.

Use the Wiring tool, shown at left, to wire objects together on the block diagram.

Use the Object Shortcut Menu , shown at left, tool to access an object shortcut menu with the left mouse button.