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CCAD's AutoCAD 2015 Tutorial

Command Prompt Conventions

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Transcript of Video Tutorial

Welcome. I'm Cindy Dunn, President of CCAD inc. In this tutorial I'll explain the meaning of several of the command prompt conventions and how to understand just what AutoCAD is asking of you.

First, pressing ENTER. The meaning of pressing ENTER varies depending on if you are in a command or not. If you haven't used any commands, pressing ENTER displays the HELP window. Otherwise pressing ENTER repeats the previous command. Just the previous command.

If the last icon you selected was one of the CIRCLE command options, like TAN, TAN, TAN, only the CIRCLE command is repeated. After prompting for a Center point, the CIRCLE command prompts for the RADIUS.

Pressing ENTER also is used to complete a repetitive set of prompts in a command, like LINE and OFFSET. In many cases, pressing the ESC key works, but it really isn't the same thing.

If a command is active and a default <> is displayed, pressing ENTER accepts the default. A default can be a number of things. A default may be an initial or save number, as in the CIRCLE or OFFSET command. To use the saved number, simply press ENTER. Warning! If you choose a point when prompted for a size, length or distance, you will be prompted for a second point. The distance between the two points is input as the requested number. Some commands list <Exit> as a reminder that pressing ENTER will complete a command.

A default may also be a common alternative to the displayed prompt. The DIMLINEAR and DIMALIGNED commands offer the option to select an object instead of two extension line origins. Press ENTER at the Specify first extension line origin or <select object>: prompt to choose an object. Two other commands that display an alternative prompt are TRIM and EXTEND. When prompted Select objects or <select all>: press ENTER to select all the objects in the drawing as cutting or boundary edges.

Some commands include several alternatives to the displayed prompt. In these cases the list of alternatives are enclosed in square brackets [ ] in the Command Window or as a downward arrow in the Dynamic Input box. The RECTANG command is an example of a command with several alternatives.

When prompted Specify first corner point or [ Chamfer  Elevation  Fillet  Thickness  Width ]:, the RECTANG command expects you to choose a point. However you could choose one of the alternatives or options listed. To select one of the listed options, like FILLET, Type F and press ENTER or right-click and select Fillet from the menu or if the list of options have a gray background (AutoCAD 2013+) select Fillet from the command line.

So keep an eye on your Command Window and thank for watching this video on Understanding Command Prompt Conventions.

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