The first method: on the official website to search for parameters
The second: install Dangbei market on the TV, open the Dangbei market download address: www.dangbei.com, save to the u disk. Insert the u-disk into the TV usb port and let the application be installed.
All kinds of TV & box install Dangbei market tutorial: /jc/
Then, open the management of Dangbei market - device information.