（1）Support equipment management: add, modify, delete
（2）Support live play: start/shut down video, favorites, screenshots, 1/4/6/9/16 switch, electronic amplification, covered/original size, open/close the audio, set the resolution level, alarm output setting;
（3）Support voice intercom；
（4）Support PTZ control: eight direction, three variable, preset point；
（5）Support local Settings: password protection, change passwords, about；