You can use one of the options below to help determine if your Vizio TV is a SmartCast TV: 

Option 1
Tap the INPUT button  User-added image on your Vizio remote. This will display a list of input options. If “SmartCast” is included in this list, then you have a SmartCast TV. 

Option 2 
Tap the INFO button User-added image on your Vizio remote. A popup banner will display on your TV screen. The word “SmartCast” should appear within the banner next to the Google Cast logo, if you have a SmartCast TV.  

Option 3
Tap the “V” button User-added image on your remote. Your Vizio TV should switch to the SmartCast Home screen if you have this model.