华为视频会议终端TE50 2路HDMI高清视频输出接口。1路缺省为会场主视频输出接口，显示本地会场的图像。1路缺省为会场演示图像输出接口，显示远端会场的图像。
VGA接口作为预留的演示图像输出接口，CVBS接口用于连接标清显示设备。
TE50入会后主输出显示远端会场图像，辅输出显示演示图像。
Two HDMI HD video output ports on the TE50. By default, one channel of video output is used to display the video of the local site. By default, one port is used as the presentation output port to display the video of a remote site.
The VGA port is reserved for presentation output. The CVBS port is used to connect to an SD display device.
After the TE50 joins a conference, the video of the remote site is displayed as the main output, and the presentation is displayed as the auxiliary output.
切换出菜单界面（用户界面/遥控器界面）的方法：
长按遥控器的HOME键（主页键）即可调出终端的图形用户界面。终端连接不同的输出口都可以切换到菜单界面.
To switch between the user interface and remote control UI, perform the following steps:
Press and hold the HOME key on the remote control to display the graphical user interface (GUI). You can switch to the menu screen by connecting the endpoint to different output ports.