(7)AFC：can be set to On or Off. If set to On, the TV will automatically detect TV signals, and automatically adjust to the correct position in a certain frequency range when the signal offset occurs.。
(8)Save: Save each setting for manual tuning.。
3. Channel list: Press the Left/Right button to enter the submenu; see the figure below.
You can edit the channel list according to the instructions at the bottom of the menu.
ViewSonic | 17 | N2690w |