AutoCAD command options not showing

Customizes the program settings. Find The Options dialog box is displayed. List of Options At the top of the Options Dialog box, the following are displayed: Current Profile (Not available in AutoCAD LT.) Displays the name of the current profile above the tabs. To set the current profile, create a new profile, or edit an existing profile, use the Profiles ta

next command for the time in milliseconds specified after the DELAY command. can be transparent DIM Takes you out of the drawing editor and into the semi-automatic dimensioning program built into AutoCAD. Will display a Dim: prompt on the command prompt line. To get back to the drawing editor and the Command: prompt, type the <Esc> key AutoCAD Commands and Aliases. Following is the complete list of AutoCAD commands in their alphabetical order. In the first column, we have an AutoCAD command, its Alias in the second column and the third column tell us what that particular command is meant for.. Answer When drawing in AutoCAD, watch the command prompts. By typing C for close and clicking enter on the keyboard a line segment will be created from the last point entered back to the start point. From AutoCAD 2013 onwards you can also just click on the word close in the bracketed options on the command bar Basic AutoCAD commands: Mastering the LINE command in AutoCAD. TRIM. Trim objects to meet the edges of other objects. Basic AutoCAD commands: Trim and Extend in AutoCAD. CIRCLE. Create a circle. Basic AutoCAD commands: Circles in AutoCAD. EXTEND. Extend objects to meet the edges of other objects LW LWEIGHT: Sets the current lineweight, lineweight display options, and lineweight units. Go to top AutoCAD Command Aliases: M - P M. M MOVE: Moves objects a specified distance in a specified direction. MA MATCHPROP: Applies the properties of a selected object to other objects. MAT MATERIALS: Shows or hides the Materials windo

OPTIONS (Command) AutoCAD 2020 Autodesk Knowledge Networ

  1. Command options are displayed on the command line (in blue) for easy access and greater visibility. You can even click on the option instead of typing it in—no need to take your hand off the mouse! AutoCAD command line enhancements: Synonym suggestion
  2. AutoCAD Trim Command With All Options
  3. Create command using AutoCAD CUI (AutoCAD Custom User Interface) Customized User Interface dialogue box can be opened by three methods: 1. Once CUI editor is displayed. Right click on the command list and select New command : 2. This will open another window 'Customize User Interface': 3
  4. g geometry. OP <> Enter OP command Using this command, you can open the options window which contains most of the settings of AutoCAD. SC <> Enter SC command This command is used to change the scale of an object. B <> Enter B command This command is used for creating a block, the properties of the block can be defined using the block.

OPTIONS (Command) AutoCAD 2021 Autodesk Knowledge Networ

If you are on AutoCAD 2018 or higher - simply click on the arrow to the right of the QA Toolbar and you'll find the new Layer option. This will easily add the Layer drop down. If you are on AutoCAD 2017 or earlier - you will need to do just one extra step. Right click on the Layer drop-down list on the home tab on the ribbon and you will. Open the AutoCAD software. Type LIMITS on the command line or command prompt. Press Enter or spacebar. Write the coordinates of the lower-left corner. For example, (0,0). The coordinates for the lower-left are usually the coordinates of origin for better understanding. We can also modify the coordinates according to the requirements. Press Enter

Complete List of AutoCAD Commands - XL n CA

How to add tooltip on command defined by user? - Autodesk

Objects can be either Trimmed or Extended, depending on the initial command selected using the following options to select the objects:-• Pick individually using the cursor. • Hold down the left button to produce a free hand Lasso (sketch) line over the items. • Use the AutoCAD 2021 two-point fence selection function The options with Intrefere command in AutoCAD. Nested Selection It allows you to select separate solids objects nested in Blocks and extra references xrefs. When you enter N instead of the option, the prompt line appears: Select nested objects or [eXit] <X>: Select nested objects This command is a very useful command in the AutoCAD for trimming. Trim command is used to trim unnecessary parts of the drawing or object. This command has two parts. 1) Trim command 2) Extend command. Extend command is extended objects to meet the edges of the other object edges. We will learn how to use both commands one by one Vports command in AutoCAD. Vports command is used to create new viewport, or name and save a model space shape. These options are available in the dialog box depending on you are specifying the configuration of model space viewports (on Model tab) or layout viewports (on layout tab ). a) Static viewport on Model tab

5. As you'll see with most AutoCAD drawing tools, the first step when a command is entered is to specify the start point. While we could click with the mouse to specify a coordinate, let's be more specific and type it in: To specify the starting point for our shape, press the 2 key, comma (,), then 4 key again so that you end up with 2,4 in the command line TEXT COMMAND You can use text to create one or more word or letter, where each text is an unattached object that you can move and go to format,and change or otherwise modify to Right-click in the text box to edit select options on the shortcut menu To open the Options dialog box, type OP in the command line, or right-click in space (without anything selected), and choose Options from the right-click shortcut menu. The AutoCAD Options dialog box contains 10 tabs, and is organized into categories to aid you in finding a setting. If you are using Civil 3D or specialized toolsets, such as the.

arguments. Type: Integer, Real, String, or List AutoCAD commands and their options. The arguments to the command function can be strings, reals, integers, or points, as expected by the prompt sequence of the executed command. A null string () is equivalent to pressing Enter on the keyboard.Invoking command with no argument is equivalent to pressing Esc and cancels most AutoCAD commands (command [command_name] [argument]) The first argument to the (command) function is always the command name. It is followed by the command's options input in the same order they would be typed at the AutoCAD Command: prompt. AutoCAD commands and options are typed in as strings. DO NOT use command aliases We can simply add the following command to the acad.lsp file, and it will run the UNDEFINE command for the specified command when you first open AutoCAD: (command undefine ss) The command is then free to be mapped as you see fit, and it is often useful to do this immediately following the UNDEFINE command in LISP Here you will find the new Create a New Command button. Select the Create a New Command button to create a custom command. After selecting this button, click on Properties in the lower right side of the CUI dialog box. Use the Properties panel in the CUI to configure the command name, description, and macro. You can input the name of your new.

Line Command Line Options - AutoCAD - Cadline Communit

Type in 'pedit'. Hit enter. Use 'm' enter to select multiple line segments. Select all the lines you would like to join. and hit enter to (y) to convert your lines to polylines if necessary. This brings us to the pedit prompt where you can select options like close, join, width and a few others. To join our lines we're going to type. Let's learn how to use Line command options. In AutoCAD Line command creates straight line segments. By using Line command you can create a series of connected segments. Each segment is a line object that can be edited separately. To learn, how to draw a line using Line command in AutoCAD follow below mentioned steps. 1 2. It's where the options are available. Most software that was made after Windows 3.1., usually put options on floating dialog boxes or options bar. But AutoCAD wasn't Windows only software before. It has everything on the command line, including options. It is the place to find how you can change how a command works The AutoCAD ELlipse command provides a straightforward way to draw an ellipse: You specify the two endpoints of one of its axes and then specify an endpoint on the other axis. Like the Arc command, however, the ELlipse command offers several other options: Arc: Generates an elliptical arc, not a full ellipse

AutoCAD commands have many settings that you can change in command line when the command is running. If you often change setting when you use a particular command, it would be a good idea to create a secondary command. Below are two ideas that you can use as secondary commands. O for OFFSET, OO for OFFSET to current laye Command Line Options. PbMngr5.exe is the Administrator console found in C:\Program Files\Bluebeam Software\Bluebeam Revu\2019\Revu.It must be run from this folder. These command line options allow you to automate changes to settings in the Bluebeam Administrator, including product registration, silently via the command line Type Startup in the command line.Enter 1 as your new value.Then exit autocad and reopen. List and describe 3 options in the auto cad object snap toolbar. Endpoint- allows you to snap to the end points of lines and arcs This AutoCAD 2008 tutorial covers working with Command Line Options. Want to master Microsoft Excel and take your work-from-home job prospects to the next level? Jump-start your career with our Premium A-to-Z Microsoft Excel Training Bundle from the new Gadget Hacks Shop and get lifetime access to more than 40 hours of Basic to Advanced.

Basic AutoCAD commands - Tutorial4

Here is a free lesson how to use ARRAY command in AutoCAD. You can make multiple copies of objects using Copy but when the copies repeat in a regular pattern you can use Array to save time.; for example, you could draw the first thread and use Array to automatically make the remaining threads for the screw below From AutoCAD 2013 version, command line options have become hyperlinks and you can see which letter in upper case option. Use dynamic input. Selecting command option in AutoCAD, as well as opening / closing list with options of Segment command in program is made by pressing Up and Down keys. Use command line hyperlinks in command line AutoCAD command shortcuts list for you. Here is a list of most used AutoCAD shortcuts for the comman command to speed up your drawing project works. You should learn AutoCAD hotkeys and commands with the AutoCAD Shortcut Keyboard guide to help you work faster and be more efficient while using AutoCAD software AutoCAD: Offsetting options. The offset command has more options than you think. The Command Offset has more options than we generally use. I used to only use the Through option when I needed to offset a line or polyline to match with another one and I didn't know the distance OK, so there's a few system settings in AutoCAD that will affect the way your plots turn out. I want to mention them here. You can find them in the 'Options' Dialog: Go to Tools>Options or. Right click over the command line and choose 'Options' from the short cut menu o

AutoCAD Command Aliases Keyboard Shortcut

  1. Learning Objectives At the end of this class, you will be able to: • Start and set up a Visual Studio project as an AutoCAD plug-in • Create custom commands to be used within AutoCAD® • Create and use dialogs with custom AutoCAD® commands • Create initialization code for command-line prompts, splash screens, or other initial settings.
  2. Everything about LOFT command of AutoCAD. LOFT is one of the most basic 3D commands which is generally used for making complex and even organic shaped geometries with relative ease. This command works in a little different way and you need to be fully aware of AutoCAD UCS related tools to take maximum advantage of the LOFT Command
  3. Line command options on the shortcut menu From the course: AutoCAD LT Essential Training Start my 1-month free tria

The other fields on this screen provide additional options. Remember to check Run installation in silent mode under the Installation Settings section in order to silently deploy AutoCAD. Next, you'll need to accept the EULA and input your serial number or whatever method you use to license your AutoDesk products AutoCAD Rotate and The Magic Options. Some of us have been using AutoCAD for quite a long time, but still miss some of the updates and new options to the existing commands. In this Click Saver, I want to discuss some options for the rotate command on the AutoCAD platform. When using the rotate command, AutoCAD assumes that you always want to. Now you have multiple options to choose from as shown in the image below. Select DIVIDE from the command line, you will get a prompt select division ending point pick a point dynamically or enter the distance in the command line, this will create distance within which copies of the object will be placed Open AutoCAD. Type cui in the command line and press enter. This will bring up the Customize User Interface dialog box. Right click in the command list and select New Command. Rename your command to accurately describe what it will do. In properties edit the macro of your new command. The copy in place command has this macro: ^C^C_copy.

The MIrror command creates a reverse copy of an object in AutoCAD. After you select some objects, AutoCAD prompts you to select two points that define a line about which the objects will be mirrored. You can then retain or delete the source objects. Follow these steps to use the MIrror command: Press Esc to [ As before, use the Options command's Display tab and look towards the bottom right, or set the CURSORSIZE system variable to 100. Cursor Badges . About a dozen commands in AutoCAD now display a little glyph on the cursor to give you a visual clue about what you're doing Follow Below Steps for Chamfer Command in AutoCAD: We will first type 'rectangle' in our command prompt and see many options shown to include the chamfer command. We will select the chamfer command option, and it will ask us to specify the first chamfer distance for the rectangle and after that second chamfer distance for the rectangle

An AutoCAD Exam Practice Quiz! AutoCAD is a software application developed by Autodesk, which is marketed towards those in a number of different industries where designs for blueprints, buildings, bridges, computer chips and more are often required. Do you know all about the application and how to use it The options for drawing an arc segment of polyline in AutoCAD are similar to arc construction options for Arc command: angle - sets inner angle of arc segment. After setting angle, you need to set center point, radius or end point of arc; Centre - sets center of arc segment. Setting center, you need to set angle, length or end point of arc Options Editor is a functioning, brief, and carefully commented example of using Dialog Control Language (DCL) and AutoLISP to control an AutoCAD Programmable Dialog Box that has one single-selection list_box and one edit_box. This first version takes an association list of string settings, gives end user a dialog to change them at will, and. Undocumented options in AutoCAD 2011's Hatch command. HatchBoundSet reports the contents of the hatch boundary set (read-only): 0 - current viewport (default). 1 - existing set. I'm not sure from looking at this whether this is the same variable controlled by the Hatch dialog box or not

AutoCAD Package Feature Code - Term (subscription with multi-user access): 64300ACD_T_F. Full list of FlexNet feature codes and descriptions. DWG 2018 file format is used just as in AutoCAD 2018, 2019 and 2020. Default command line to start AutoCAD 2021: C:\Program Files\Autodesk\AutoCAD 2021\acad.exe /product ACAD /language en-U MREDO: This command reverses multiple Undo actions and pretty much eliminates the need for DOO-DOO. It has several advanced options, though the prompts are self-explanatory. BAK: This isn't a command — it's a file type. Whenever you save your work in process, AutoCAD creates a file with the extension .bak that stores your drawing the way. - [Shaun] Welcome to this AutoCAD Using the Command Line course. The whole idea of this course is, I'm going to take you through everything that involves the AutoCAD command line Key enhancements were made in AutoCAD around documentation, design, connectivity and customization. Quite a few of the AutoCAD basics were upgraded to create a better user experience for Autodesk customers. Enhanced Features A new geometric object snap has been added so you can snap to the centroid of a closed polygon. Command preview has bee Draw ECLLIPSE in AutoCAD - Ellipse Command in AutoCAD. Now in this video we will see that how we can draw ellipse in AutoCAD. First of all to draw a ellipse we will go to our Draw panel and select ellipse where we will see three different options as 'Centre', 'Axis, End', 'Elliptical Arc'

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Autocad trim & extend command acting funny Autocad trim & extend command acting funny. By Tim Nelson, November 23, 2004 in CAD Software. Share you are prompted to choose to select object to trim with the following options (Project/Edge/Undo). Choose Edge and then choose No extend. This will solve your problem. Choosing Extend will make all. As the AutoCAD provides you as many options as you need to have designers or constructional projects done, there is one command that is been frequently used, and it is called the hatching objects. It is used for filling or hatching the objects or specific areas in the drawings

AutoCAD says &quot;unknown command&quot; when trying to object snap

AutoCAD Trim Command With All Options - YouTub

4. I have been tasked with translating an AutoCAD plugin from VBA to VB.NET, and I'm currently a bit stuck. The command I'm working on creates a new layer (or select it as the active layer if it already exist), then executes 2 -INSERT commands giving a point selected by the user, and a dwg-file. Then, the previous active layer is reset as the. Learn AutoCAD LT hotkeys and commands with the AutoCAD LT Shortcut Keyboard guide to help you work faster and be more efficient while using AutoCAD LT software. lineweight display options, and lineweight units. (including the command line). POL

Make Your Own Commands In AutoCAD CADnote

If you use AutoCAD on a daily/weekly basis or are just learning for the future, be sure to checkout my jam-packed AutoCAD Productivity Webinar, available for download right now at 25% off for CAD Intentions readers. In the 1 hour long video I've curated and combined my favorite and best productivity tips, tutorials, and techniques that I've learned over the last 15 years of drafting in. ALIASEDIT / Creates, modifies, and deletes AutoCAD command aliases. PL: PLINE / Creates a 2D polyline: PM: SHEETSET / Opens the Project Manager: PMAUTOOPEN: SSMAUTOOPEN / Controls the display behavior of the Project Manager when a drawing associated with a layout is opened. PMFOUN Command Aliases copy Oiltaote autocad cheat sheet Important Keys Windows Commands Command Aliases Model Options edit Paper spate HuttiUne text Status Bar Commands window Osnap Stale Factors Architectural Scale Factors Engineering Scale Facto' CTRL.C Capy paste Cu command and erase the objects. AutoCAD commands frequently have command modifiers that change the way the command works. For the ERASE command, you can type: ERASE ALL and AutoCAD selects all of the objects in the drawing for erasure. The word ALL modifies the way command works. Another option is: ERASE

How to use the command “select similar” to be applied

160 AutoCAD Commands and Shortcut List, Basic PDF Download

  1. AutoCAD 2D Tutorial - 132 - Pline Command 15.1 A polyline is a connected sequence of line segments created as a single object. You can create straight line segments, arc segmen ts, or a combination of the two. 1. Choose Draw, Polyline. or 2. Pick the Pline icon. 3. Type PLINE at the command prompt Command : PLINE or PL 4
  2. To Access AutoCAD's Plotting/File Options: Go to Tools> Options. or. Right click over the command line and choose ' Options ' from the short cut menu. or. Type ' Options ' at the command line. Once you have the 'Options' Dialogue open, navigate your way to the ' Files ' tab. You should see something like the screen shot below.
  3. Do you know of hidden command options? I am looking to compile a list of hidden command options in autocad. For example, when you click the mouse button to make a selection window, you can type w>enter to change the rectangular window to a custom window polygon. However, this is not indicated on the command line or otherwise
  4. Circle Command. Select the circle tool by clicking the circle button with cursor or write the c in the command window and press enter. There are 6 different options to draw the circle which are in the following. Center, Radius: first select the center radius circle drawing option. Then select the center of the circle and then put the.
  5. This is quite easy as the options are in written format and in icon formats. Command Area The command area is the area that we could find below the drawing window and is a very important area where the commands used in AutoCAD are entered through keyboard. Here AutoCAD prompts for necessary informations to complete the command. Status Are
  6. gs of the MVSETP command can be overcome by combining it with an AutoCAD macro which is available in AutoCAD. I will explain this process in a future article

AutoCAD Commands Advanced And Intermediate AutoCAD Command

AutoCAD Commands & Shortcuts. F3 - Object Snap (on/off) F8 - Ortho Mode (on/off) F12 - Dynamic Input (on/off) PDFIMPORT - Converts a PDF into a CAD dwg. GEOGRAPHICLOCATION - Places a true scale Aerial map into your CAD dwg. DC - DESIGN CENTER - Useful for copying items from another drawing (i.e. blocks, layers, styles, layouts) AutoCAD Command Line Switches. What are Command Line Switches Kenny? Command Line Switches are parameters that you add to the acad.exe command line which enable AutoCAD to perform additional operations when it starts. For example, AutoCAD can start with an alternative configuration, run a script, load a template drawing and even open a drawing with a saved view In Windows Explorer, Click on Tools pulldown menu, Select Folder Options, Click on the View tab, Scroll down the list and uncheck the box labeled Hide Extensions for known file types. You start OPEN command, and all you get is the command line asking you to type the full length address location and file name Answer. The GRID and SNAP MODE options can be used to get a visual reference as to the size of objects and to restrict the movement of the cursor to a set increment on the screen. The GRID and SNAP MODE options can be turned ON or OFF through the Status Bar. The Status Bar area is located at the bottom left of the AutoCAD drawing screen, next to To begin any task you need to tell AutoCAD by clicking on the tool you want to use in this case 'LINE' OR type the letter L into the command bar. Now look at the Command bar - It is asking for the first point ie where to start the line. Click anywhere on screen and now the command line is asking where is the next point

7 Best AutoCAD Alternatives in 2021 (Free + Paid Options

  1. If you're looking for a less expensive software option, the fact that the market is fraught with terrible AutoCAD knockoffs doesn't help either. So, we've done the research to bring you the top four AutoCAD alternatives. Read on to learn about the key capabilities and pricing of the top four AutoCAD alternatives for construction businesses
  2. AUTOCAD's Offset command is another of the editing tools that comprise this program and with which it is possible to create parallel lines as we will learn in this Tutorial. The Offset command creates parallel copies of objects like lines or curves. For example, with this AUTOCAD command we could create concentric circles in a single step
  3. Every AutoCAD command has several sub options that helps the user draw quickly and efficiently. So far we talked about just the basic command options, the ones that are set by default when you activate the commands. But now we are going to expand your knowledge by teaching you about the sub commands that ar
  4. AutoCAD 3D Tutorial - 9 - 1.7 VPOINT Command (Tripod) Displays a compass and tripod for defining a view rotation. The compass represents a two dimensional globe. 1. Choose View, 3D Views, point or 2. Type VPOINT at the command prompt. Command: vpoint Rotate/<Viewpoint><-0.614,-0.614,0.500>: (enter) 3
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The SKETCH command is one of those little known commands, but it really is a great command when you have the opportunity for some artistic license in your AutoCAD® drawings. You know when you have an irregular line to draw that represents existing ground level, or some other arbitrary uneven surface Here is what I mean. To draw a straight line in AutoCAD: Activate the LINE command; Click on the starting (Do not hold your click) move your mouse; Click to indicate the ending point (Do not hold the click) Press on the ESC key on your keyboard to end the process; There are very very few actions in AutoCAD that force you to click and hold Autocad 2012 command list pdf Many people like to use the keyboard to enter commands, but some of the commands are long, hard to type, or difficult to remember. You can create keyboard shortcuts for commands, such as DL for DIMLINEAR or RVC for REVCLOUD.AutoCAD comes with a large number of aliases already made for you. You edit the acad.pgp file t How to Text Count With TCOUNT Command In AutoCAD 2018. Padhyar Academy. 3 years ago. Learn How to Text Count With TCOUNT Command In AutoCAD 2018. Browse more videos AutoCAD 2D Tutorial - 1 - AutoCAD ® 2004 2D Training Manual Written by Kristen S. Kurland C o p y r i g h t © 20 04 AutoCAD is a registered trademark of Autodesk, Inc

AutoCAD Command Line Switches AfraLIS

  1. At the command line, type OPTIONS. and press ENTER. Click the Open and Save tab. In the Demand load ObjectARX apps drop-down list, select Command invoke. This setting allows other ARX applications, such as ISM, to be loaded when an image command is used. Click OK. How much does the AutoCAD Architecture-MEP Object Enabler cost
  2. If you have recently shifted from AutoCAD to DraftSight and checking what all AutoCAD Commands are available in DraftSight then this post is for you. Not all AutoCAD Commands have same name in DraftSight. For easy access we have listed most of AutoCAD Command in following Table. You can search your AutoCAD Command and find it's name [
  3. What is a UCS and why do I need one? AutoCAD started life as a two-dimensional drafting program. It was not designed for 3D. Almost all the AutoCAD drawing and edit commands can only work in 2D (the exceptions being commands like 3DPOLY and 3DFACE).When Autodesk, the makers of AutoCAD incorporated 3D into the program they needed some method for doing so without completely rewriting the software
  4. Get Free Autocad 2004 Command Guide In Read PDF Autocad 2004 Command Guide In Autocad 2004 Command Guide In Getting the books autocad 2004 command guide in now is not type of challenging means. You could not without help going when book collection or library or borrowing from your contacts to approach them. This is an definitely simple means to.
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  6. imise all the ribbon panels: for panel in Ribbon.Tabs [0].Panels

AutoCAD Rectangle Command - Javatpoin

Note: The Explode command may cause inaccessible features to be available It is recommended to apply the Explode command at least once, although the command may need to be applied several more times since blocks may be embedded up to nine levels deep. 9. Save the drawing file in AutoCAD. 10. Write-down the Coordinate Syste The AutoCAD Region command is a special kind of 2D object that has physical properties like centroid and moment of inertia that can be calculated using MASSPROP command. These geometries can also be converted into complex geometries with the help of Boolean operations Union, subtract and Intersect. AutoCAD Regions can be created using closed. POLYGON OR short command is POL then press enter. It is used to create REGULAR polygons only with sides ranging anywhere from 3 to 1024 which is the limit in AutoCAD. In simple terms its used to create equilateral triangles, squares, pentagons, he..

AutoCAD Offset Options: Tuesday Tips With Fran

This example will build on the concepts covered in my earlier article, Create a Plugin for AutoCAD. In short, a plugin is a custom command that can be run directly from the AutoCAD environment. The command in this example will obtain some information about intelligent Civil 3D objects in a drawing — specifically, site and alignment objects AutoCAD LT Superhatch Workaround (only for AutoCAD LT 2010 and later) The hatch boundary should be a Polyline . Create a block. Use the MINSERT command to insert the block, set the rumber of rows and columns to extend beyond the area to be hatched. use the XCLIP command, N <new> - S <Select polyline> and select the hatch boundary polylin

You can see all selected objects as a dashed line In belowSolved: Locking viewport command by default - AutodeskDrawing 2D Spirals In AutoCAD(Illustrated ExpressionSolved: problem with text display in properties and

AutoCAD Zoom enable you to magnify and reduce drawing view. There is 4 ways you can access the AutoCAD Zoom command. 1. By ribbon menu. 2. Zoom at Navigation Bar (top right). 3. By typing Z or ZOOM in command line. 4 2. Type C↵ to select the Center option. The prompt Specify center point of arc: appears. Notice that you had to type only the C and not the entire word Center. TIP When you see a set of options in the Command window, note their capitalization Hold the SHIFT button while you select the objects that are to be removed from the selection set. Note: You can the common selection methods: Pick, Window, or Crossing Window. If this isn't working for you, check the OPTIONS dialog box > Selection tab > and in the Selection modes area, make sure that the Use Shift to add to selection.