How to use ZOOM Scale command

You can specify a relative change in view magnification by using Zoom Scale and typing a factor followed by the X character.

  • the view center remains in the center of the display window.
  • scale factors larger than 1.0 have a zoom in effect while factors less than 1.0 have a zoom out effect.

  • Zoom In (2X) and Zoom Out (0.5X) use the Scale option of Zoom.
  • you will find these 2 menu options in the View + Zoom pulldown menu and in the Zoom toolbar (or Standard toolbar flyout).

Practice with ZOOM Scale

1- Continue in the same drawing from the previous exercise.

2- Pick View + Zoom + Out

3- Examine your command line history.

Command: ‘_zoom
Specify corner of window, enter a scale factor (nX or nXP), or [All/Center/Dynamic/Extents/Previous/Scale/Window] <real time>: .5x

AutoCAD automatically supplies a factor of .5x to the first Zoom command prompt when you select the Zoom Out menu.

4- Pick View + Zoom + Scale and then enter 2X at the keyboard when prompted for the scale factor.

Command: ‘_zoom
Specify corner of window, enter a scale factor (nX or nXP), or [All/Center/Dynamic/Extents/Previous/Scale/Window] <real time>: _s Enter a scale factor (nX or nXP): 2X ↵
Command:

You manually used a factor of 2X to zoom in again.

  • this scale factor reverses the 0.5X factor that was used in the previous step when you selected the Zoom Out menu option.
See also  How to use Zoom previous command

AutoCAD supplied the _s keyword to use the Scale option automatically when you picked View + Zoom + Scale

  • but you can also simply enter a scale factor at the first Zoom 
prompt without having to explicitly use the Scale option.

You use the X suffix to scale view magnification relative to the current view magnification

  • you can also use an XP suffix to scale view magnification 
relative to paper space
  • you will learn about paper space when you work with the 
Introduction To Layouts document.

5- Remain in this drawing for the next exercise.

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