The project file is used to save the video format, signal source and other parameters.

1. In the main menu of the title bar, click "Edit Project...".

                   

       Or click the output parameter area of the status bar

                     

2. Project parameters include name, format and preview window size.

         

3. Format

   You can select SD, HD, 4K and 9:16, corresponding to standard definition, HD, UHD and portrait  formats respectively.

   Each format corresponds to many different modes.

4. Preview window size

     Select the appropriate preview window size according to the screen resolution and the number of signal sources.