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angle of view relative to the X axis and the inclination of view relative to the XY plane. The first parameter can be selected to be an angle between 0 and 360 degrees and stands for the cir-cular angle around the W axis from where the drawing is being viewed. By default, this angle is 270 degrees, which means that the default view is from the negative Y axis. This parameter can be selected by directly entering the angle in the edit box or by using the pick tool on the pointing device to select the angle. The selection will be shown as a line in the selected direction in the dialog box. The second parameter that can be set is the position above or below the XY plan. This angle varies from -90 degrees to 90 degrees. By default, the value is 90 degrees, which means the view is from the positive W axis or in other words, from directly above. Other values from 0 to 90 degress give slanting views from that particular inclination, while negative angles give a view as if looking up at the XY plane. The ''Set to plan view'' button in the dialog box restores the view to the default plan view of 270 degrees relative to the X axis and 90 degrees to the XY plane. The user can select the units. Pull-Down Menu Location: View Prerequisite: None Zoom Point(s) Function This command centers the screen to a user-specified point. The point can be specified by either the point number or description. The command searches the current Coordinate file which can be set with the Set Coordinate File routine in the Inq-Set menu. Besides centering the screen, the magnification can also be changed. The default value is the current magnification. To zoom in, enter a smaller value and to zoom out, enter a greater value. Prompts Find by point [N]umber or [D]escription <N>: Press Enter Chapter 2. Field Reference Guide 36