At times, you’ll discover that the actor does not scale when scrolling the mouse wheel.
![](https://kb.reallusion.com/Uploads/Images/CTA5/zparam.gif)
While the Z value is indeed rising, the actor does not resize in kind.
When this happens, try changing the Project Settings > Camera Settings parameter from Orthographic to Perspective.
![](https://kb.reallusion.com/Uploads/Images/CTA5/ChangePerspectives.png)
After adjusting the camera settings, the character should properly resize with the scroll wheel.
For more information, refer to the manual.