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== By Other Names ==There are other units by other names, which may even have a different looking front face, which have the same internal board and software. * ANRAN 4 Channels H.264 4CH DVR CCTV* Macrovision Free digital recorder - convert those old Macrovision copy protected VHS tapes you have laying around going bad to digital format. * Macrovision Free digital recorder - convert those old Macrovision copy protected VHS tapes you have laying around going bad to digital format. Input must be interlaced (not progressive scan.) If archiving from a DVD player configure the player to output interlaced to the composite port or the DVR will display a yellow pscan indicator on the screen. Limitation: PSCAN error. This device software is written to reject "progressive scan" composite input. When a DVD player is connected to one of the video inputs, a large yellow warning obscures the playback window with the text "PSCAN".