Receiver Tuning is a easy way to Edit your channels. You can change / modify your channels from your PC.
When you are Done you can easily update the new editted channels to your settop box via the PC. This way it saves a lot of time ediiting your channels. And most importan thing is that you have a copy on your Disk with your channels, so should there go something wrong with your settop box, like for instance memory loss, than you can simply put back the channel list via the PC.