mehrdad66

Hi . i have a 64 CH dahua nvr . imm trying to connect two Samsung SNO-608 camera to it . im used onvif protocol and it works . camera connected and show when im using it in full screen mode . but when imm using grid view (32 CH or 64 CH view) it not showing camera video. only show balck any solutions ??

hello i have a bosch vg4 speed dome that have problem in focus . it can pan and tilt . but the video is unclear. Any body can help me ?