ocdchris 0 Posted March 11, 2012 I just upgraded my dvr to a 8 channel Digimerge DH230. These are windows 7 touch screen compatible. What aspect ratio is best for my DVR? Thanks. Share this post Link to post Share on other sites
coolie11 0 Posted April 4, 2012 "Live Display Resolution 720*480(NTSC)" You should be fine with 4:3 Share this post Link to post Share on other sites
