Operating this unit by voice with the Amazon Alexa function
NOTE
Optional Alexa Built-in functionality will become available via a future firmware update.
With the Amazon Alexa built into this unit, you can enjoy the ability to operate the unit and play music simply by speaking.
To use Alexa, the unit must be connected to the network. An Amazon account is also required.
Download the HEOS App in advance to your iOS or Android device and then connect this unit to the network. link
Next, use the HEOS App to enter your Amazon account information and log in to the service.
In cases such as when you want to prevent accidental activation of Alexa or you want to protect your privacy, touch the 
button on this unit to disable the microphone.
Instead of saying “Alexa”, you can also touch the 
button on this unit to initiate voice control using Alexa.
Alexa isn’t available in certain languages and countries.