kamp 0 Posted April 14, 2013 can some one help i need to build 8-16 ch HD-SDI system .i have some 700tvl camera that i need to add.also some camera over 250 ft long . I see there is 7fps dvr and some 25fps dvr record witch is good need any suggestion for me .what the difference real time record and 7fps. also i need to know about digital zoom on HD-SDI camera. Share this post Link to post Share on other sites
shankarsha 0 Posted April 23, 2013 If you want to use 700tvl camera then you need hybrid dvr. You need hdsdi camera additionally and yes you can digital zoom. Share this post Link to post Share on other sites
joseph.chen0312 0 Posted May 20, 2013 can some one help i need to build 8-16 ch HD-SDI system .i have some 700tvl camera that i need to add.also some camera over 250 ft long . I see there is 7fps dvr and some 25fps dvr record witch is good need any suggestion for me .what the difference real time record and 7fps. also i need to know about digital zoom on HD-SDI camera. Yes you need to Hybrid DVR for hook up HD-SDI and SD camera. Typically, realtime is defined @25FPS. As for Digital Zoom, there are two way to do, one is on DVR which has function to Zoom in and out. Sendcond is equipping HD-SDI camera which has featured digital Zoom and RS-485 port then bridge camera and DVR then you could manipulate. Share this post Link to post Share on other sites