一、Demonstration of the use of external screen projection

二、External screen projection settings

1、Use the HDMI cable to connect the external screen to the HDMI-OUT interface of the live broadcast box
2、Some external screens have multiple HDMI interfaces, if there is no signal after connecting the box, it means that the external screen has selected the signal source of other HDMI interfaces. At this time, in the signal selection interface of the external screen, select the HDMI interface of the external screen corresponding to the live broadcast box