When I intend to pick my ATV4 to AirPlay from my phone or iPad, I see multiple Apple TV listings (as "Apple TV2", "Apple TV3"). If I click on them, I'm asked to enter a passcode. Moreover, today a 4 digit passcode showed up on my TV, even though I wasn't adding a new device to AirPlay on ATV. Obviously, someone picked my ATV from their list.
Although unlikely, thinking that they could be on my WiFi, I changed the password. However, immediately after, the other units were still in the AirPlay mirroring list, which makes me think that they are showing up through Bluetooth instead of WiFi?
I'm guessing I won't be able to make my ATV "invisible" to them. However, is there a way to block the passcode appearing on my TV -interrupting the TV viewing- if they accidentally or deliberately pick my ATV?
