TX-8470 Works with SONOS

Change the settings to connect with the Sonos Port.
(SONOS-1/SONOS-2)
Input Selector (Default Value: Off)                                      
Select the input selector to which the Sonos Port is connected.
       • Selecting "Off" disables the interlock function with Sonos.
Connected Device (Default Value: -)                                     
Displays the Sonos Port connected to the same network as the network of this unit. Press the ENTER button to select the connected Sonos Port.
       • Products (e.g. Play:3 unequipped with an output terminal) other than the Sonos Port are also                     displayed in the device list and selectable. In that case, when playback on the Sonos side starts, the           input is switched, however, audio is not output. Select the room name of the connected Sonos Port.
       • Up to 32 devices can be displayed on the Sonos product list screen. If you cannot find the Sonos                Port to be interlocked, return to the previous screen, turn off the product you do not want to                      interlock, and try again.
       • To use this function, set "Input Selector" beforehand.
Output Zone (Default Value: Main)
Select the zone where you want to listen to the music.
      • To use this function, set "Input Selector" beforehand.

Preset Volume (Default Value: Main=Last / Zone 2=Last)          
You can set the volume beforehand for playing back the Sonos Port. You can set volumes for the main room (where this unit is located) and separate room (ZONE 2) respectively. Select a value from "Last" (Volume level before entering standby mode), "Min", "0.5" to "99.5" and "Max".
         • To use this function, set "Input Selector" beforehand.