... -stream transmission for all channels3. Support Multiplex operation: live, record, playback, backup, network transmission, mobile phone ... .Q for single channel 7. Support Digital Zoom in both live and playback ; PIP preview8. Support ... pop-upPTZ controlSupport Preset point, cruiseDigital zoomLive view digital zoom, playback zoomChannel TourSupportMulti-language OSDSupportnetworkNetwork modeSupport PPPOE ...