# 2.12.3 Zoom

The Zoom In and Zoom Out actions can also be accessed using buttons on the Tool Bar. The Mouse Wheel, PAGE DOWN and PAGE UP keys can also be used to zoom in and out.

Holding down the Shift key while clicking the Zoom In or Zoom Out buttons sets the Drawing Scale to a Programmed Zoom value.

  Programmed Zoom

  - The Programmed Zoom value for the Zoom In button is set to the current Drawing Scale by holding down the Shift and Ctrl keys while clicking on the Zoom In button.

  - The Programmed Zoom value for the Zoom Out button is set to the current Drawing Scale by holding down the Shift and Ctrl keys while clicking on the Zoom Out button.

Normally a zoom in more of more than 1:1 is not possible, however if the Ctrl key is held down while the Zoom In button is pressed a zoom less that 1:1 can be achieved. This function is useful when working on detail.

Pressing the middle Zoom button on the Tool Bar pop-ups a list of Zoom factors that can be select from.