How to use scale

If you want to zoom out or in a picture, it will help you!

First,you would indicate the scale value;The value can be setup in "Preferences" forms by "system" page.
Then,you must make the menu item "Show Scale Line" be checked.
In the end,you can click down over the staff guage and drag,then the scale line will display in ruler.

Also,you can setup the scale line's color, see Appearance.

Attention: If the staff guage's direction is vertical with screen,the scale line can not be show.