F5100 / F5105 / F5110 / F5115 User Manual8.2.2 H.264 Viewer Authentication:On: If the viewer authentication is On, the users will be requested to key-in usernameand password when using QuickTime Player. to have live viewing.Off: If the viewer authentication is Off, you can have live viewing on computer byQuickTime Player after entering “rtsp://ip:port/video.h264” on the URL columndirectly. Multicasting Streaming (if it’s on):Multicast Address: The multicast server address will appear automatically.Video / Audio Port: Specify the transmission port number of the video data, from1024 to 65534.Time to Live: Set the maximum TTL that multicast can pass through.Note: Time To Live option determines the maximum length of time (measure as thenumber of network routers that can be passed before data arrives at its destination oris dropped) within which a multicast packet must reach its destination. Image Size: Specify the image size when the network camera transmits. Choose oneamong 1280 x 1024, 1280 x 720, 640 x 480, and 320 x 240. Frame Rate: Set the frame rate of H.264 image. Choose one value among 1, 2, 3, 4, 5,7, 10, 15, 20, 25, and 30 fps. The unit “fps” stands for “frames per second”.Note: The frame rate is up to 15 fps at 1280x1024, and up to 30 fps at 640x480.However, if you would like choose frame rate over 15 fps, the IMAGE SIZE ofH.264/MPEG-4/MJPEG setting page has to been selected 320x240 or 640x480 at thesame time.Setting-BasicCamera27