Zoom command in autocad has 11 patterns, including extents, window, previous,realtime, all, dynamic, scale, center, object, in and out. Among them, pressing mouse and moving it in the window, realtime pan and zoom command is to realtime zoom in or out the current graphics.
Keyboard: pan and zoom
Ribbon: View> Navigate> Zoom
1) Command: zoom
Execute zoom command
2) Specify the pinpoint of the window and imput scale factor (nX or nXP), or
Select scaling pattern as realtime pan and zoom
3) Putting the mouse in the middle of the window and dragging it upwards can achieve the effect of zoom in, while putting the the mouse in the middle of the window and dragging it downwards can achieve the effect of zoom out.
Execute realtime zoom operation
4) Enter or ESC
Exit realtime pan and zoom
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