If you like to give your inputs a different name than the default HDMI1, HDMI2, VGA etc. Please follow the steps below.
Press [Menu] and navigate to the lock menu then press [OK]
You will be prompted to enter a Password (0000 by default)
Scroll down to [Edit Input] and press [OK]
When [Source] is selected you can select the source you like to 'label' with the <> arrow keys.
In this example we will change the label of HDMI1 to 'Notebook' by selecting [Label] followed by [OK]
The keyboard will pop up so you can enter the desired name of this input e.g. 'Notebook'
After pressing [OK] the HDMI input wil be displayed in the input navigation bar as 'Notebook'