A:Answer Hello there,
There is no settings that you can select an input as a default, you will have to run through the input cycle by pressing the INPUT +/– button on the remote repeatedly. You can also turn OFF or skip unused inputs when selecting a function by pressing INPUT +/–. Please refer to the link below, on page 60 under "INPUT SKIP SETTING":
https://docs.sony.com/release//Manual_4687591141.pdf
Regards,
Zac