Zoom In/Out
Zoom in Elevations and PLAN View only.
The Zoom tool works the same as in PCadd.
Zooming is available on the fly which means you can continue drawing operations while performing Zooms.
Other Zoom topics...
In 2D modes ie Plan and Elevations working with the tool palette zoom 
Shortcut: Z
1. Click Zoom, ALT to Zoom out.
2. Drag Zoom. Click and drag around the area to be zoomed.
3. Scroll Mouse Zoom, in or out. The mouse pointer is the center of the Zoom.
In 3D mode:
1. + and - keys effect global zoom, in and out.
2. Scroll mouse is best. The mouse pointer is the center of the Zoom, in or out.
See also:
Tips