# Quick tips

**Quick tips**

Some miscellaneous helpful tips for V-Nova PresenZ

* **Camera:** Make sure your camera is visible to V-Nova PresenZ; don’t put it on a hidden layer. Also, be sure the camera is not locked and has its parameters editable.
* **Quick tests:** Remember that you can change the renderer resolution of V-Nova PresenZ to perform quick tests. Don’t be afraid to use 1200x800 or even 720x480 to make quick test renders. It can be combined with Draft Mode.
* **Command line merger/Prz\_Maker:** When using the merger.exe to merge your rendered files ( .przRenders ) into a .PRZ file for the Viewer. Make sure that the directory of the merger is your current directory, so it can find the necessary files.