Cách sử dụng
The word 'tuner' usually refers to a device that helps you adjust the sound or picture quality of a TV or radio. It can also refer to a person who tunes musical instruments. So, if you want to improve the quality of the sound or picture on your TV or radio, you can use a tuner. Similarly, if you play a musical instrument and want it to sound better, you can take it to a tuner who will help you adjust its strings or keys.