Ensure this matches your source playback equipment. Select NTSC_M for North American tapes or PAL_B for European/UK tapes. Selecting the wrong standard results in a black-and-white or flickering picture.
: The software was bundled with various unbranded USB capture sticks (like EasyCap or generic OEM dongles), meaning "TVR 2.5" refers to the software, while the actual driver depends on the internal chipset (e.g., Empia, Syntek, or Realtek).
Right-click the device, go to , select the Details tab, and choose Hardware Ids from the dropdown menu.