If you want to use a remote control with your TV, you need to know what code to use. The code will depend on the brand of your TV. To find out the code for your TV, look in the owner's manual or contact the manufacturer.
Here are some common codes for popular TV brands:
Sony: 501, 502, 503, 505, 506, 507,508
LG: 600, 603,604
Samsung: 880, 881