... (Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), StopVideo Detection ... play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection ... System setting, File download, Log informationAuxiliary InterfaceUSB Interface2 ports, 1 for mouse control, 1 for backupRS232Dahua keyboard, PC communicationRS485PTZ control 4 channel ...