This video will take you through the initial tuning procedure, how to re-tune from the menu, and how to sort your channels to your preferred location.

00:28 Tuning for the first time
01:36 Sorting channels after tuning
02:16 Missing channels? Retune your TV

Learn more:
How-to: Use Sony Channel Editor (Mac) https://www.youtube.com/watch?v=iV75DJcsK-E
How-to: Use Sony Channel Editor (Windows) https://www.youtube.com/watch?v=FTjQiIpQI2M