Denon AVR 3808Ci Receiver "extend radio frequency" Questions

...frequency to control my reciever, a much more reliable way to control my equipment and also allows 2 way communication with my universal remote (so that my remote can display what the volume level is ...

...Extend the antenna fully. Turn on the radio. .Press the "WB" button at the top of the radio. Turn up the volume and press the ^ or v button to cycle through all 7 of the weather channels. WB and CH ...