To set Auto Tuning

Automatically tunes the channels.
Channels are not registered properly unless the antenna / cable is connected correctly.
Auto Tuning only sets channels that are currently broadcasting.
If Lock System is turned on, a pop-up window will appear asking for password.
To set channels manually

Adjusts channels manually and saves the results.
For digital broadcasting, signal strength, etc. can be checked.
To edit channels

Edits the saved channels
Set as favorite, block / unblock and Add / Delete etc. the selected channel.