Channel switched automatically while watching another channel in Philips TV

Clock Timer may have been activated. To deactivate the clock timer:

1. Press the 'MENU' button, then press cursor up/down to select FEATURES and press cursor left/right.
2. Press cursor up/down to select TIMER and press cursor left/right.
3. Press cursor up/down to select ACTIVATE and press cursor left/right to switch it OFF.
4. Press the 'i+' button to exit the menu.