Your TV settings menu will have an option for CHANNEL, in this menu there is an AUTO CHANNEL SCAN option. Make sure your TV is connected to an outdoor antenna that supports digital receptions then select AUTO SCAN to a begin a scan for channels available. If you need further instructions please be with your product and contact Hisense Customer Support on 800 447 367. Hours of operation are Monday to Friday 8:30am to 7:30pm AEST and weekends from 9am to 5pm AEST