# 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. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.v-nova.com/technologies/v-nova.presenz/v-nova-presenz-documentation/quick-tips.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.