Traditional Culture Encyclopedia - Hotel accommodation - How did the host of Xiaoyu Yilian let everyone see the big screen?

How did the host of Xiaoyu Yilian let everyone see the big screen?

1. The external connection of a large screen projector is usually a TV (or projector), and an HDMI cable is needed to connect them.

2. Turn on the TV (or projector), turn on the equipment, and select the corresponding HDMI input from the signal source to see the startup interface of the large screen projector.