If you like a specific source to be selected when you turn on your display, please follow the next steps:
Press the [menu] button on your remote control
Navigate to the lock menu and press [OK]
To enter the [Lock menu] a PIN code is needed. The default code is 0000
Now you can change the source with the arrow keys on your remote control <>
After selecting the desired source you can confirm this setting by pressing [OK] at the bottom of the screen
Next time you power on the screen it will go directly to the selected source.