Using the Action tools

	Open Drawing	Click this button to open a dialog box that lists all available drawings. You can open and view other drawings (when available) with this feature.
	Print	Click this button to print this drawing. For more information on this feature, click Printing.
	Zoom In/Out	Click this button to activate the Zoom In/Out cursor. Move the cursor up or down on the display to zoom in or out in the drawing. Use this button in conjunction with the Pan feature, to zoom into and see specific locations of a drawing.
	Fit Screen (Zoom Extents)	Click this button to immediately display the entire drawing in the CADViewer window. (This is useful if you have zoomed into a certain region of the drawing and would like to zoom out— in a single step— to see the entire drawing.
	Zoom Window	Click this button to activate the Zoom Selection feature. Click the mouse on one corner of this region, then drag the mouse (while holding the mouse button down) until a zoom rectangle surrounds the desired region. When you let go of the mouse, the selected region will fill the CADViewer.
	Pan	Click this button to activate the Pan feature. Move the cursor onto the drawing and click-and-drag the drawing to "slide" it around in the CADViewer— until you find a new region to examine. This feature is either "on" or "off", so if you click the button to activate it, you can click other zoom buttons then simply click and drag the newly-resized drawing to pan around the drawing.
		For more information on the use of all the zoom and pan features, click Zoom and Pan.
	Layers	Click this button to open the Layers dialog box, where, if this drawing was created with individual layers, you can choose from among those layers and view them in the CADViewer. For more information about the use of this feature, click Layers.
	URLs On/Off	Click this button to display blinking rectangles that indicate links to other Web sites from this drawing. If any such links are visible, you can click them to view the related Web pages. If the URL serves as a link to a Web page, that page will be loaded into the current browser window. If the URL is linked to another drawing, that drawing will be loaded into the viewer, replacing the current drawing. For more information, click URL Links.
	White Background	Click this button to change the background color of the CADViewer. If this button shows a white background, clicking it replaces the black background with white background -- at which time all the colored lines will be displayed as black lines. Click the button again if you prefer to restore the default black background—and the colored details. For more information on this feature, click LINK.
	Views	Click this button to open the Change Views dialog box. If custom views were specified in the drawing by its creator, they will be listed in the dialog box. Choose a view and click OK to proceed. The viewer will now render this view of the original drawing. Click LINK for more details on the use of this feature. If there are no custom views incorporated into this drawing, this button will be disabled (crossed out).
	Measure (Units)	Click this button to activate the drawing measure feature, which allows you to see the coordinates of any point on the drawing as well to determine the distances between two points. For more information about this feature, click Measurements.
	Rotate/Mirror	Command for rotating and mirroring of the displayed image. This feature is primary used for HPGL files, that often appears rotated or mirrored
	Compare	Command for comparison between drawings
	Search	Command for text searches within drawings
	Undo	Command for undo of the last selected command.
	Redo	Command for redo of the last selected command
	Change Background	Command for changing background colors
	Language	Command for changing language
	Redlines	Command for activating the Redline tool
	Help	As you have already learned, you can click this button to view this on-line help source.
	Drawing Info	Click this button to view a synopsis of information about this drawing, as provided by the drawing's creator. For more information about this feature, click Drawing Info.