Grunkel LED-320 FIO Manual Del Usuario página 49

TV MENU
Press source button to choose input source and start changing settings.
Channel
Under the source of Antenna
Auto tuning
Select option of Auto Tuning under the up and down keys .After pressing
the screen will appear the country list and you are able to chose what you want with arrow
keys.
Press button to start auto channel tuning and the screen show the programs number.
0
button,