By input, you're talking about the screen, right? If so, 8.4.I have the Alpine system and mine is always greyed out. What input are you using? Maybe that is the difference. I'll try later when I'm in the truck.
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By input they mean SXM, AM/FM, Bluetooth, Android Auto/Carplay, etc.By input, you're talking about the screen, right? If so, 8.4.
Ah. I've been using SXM as main radio. Haven't tried activating surround with AM/FM.By input they mean SXM, AM/FM, Bluetooth, Android Auto/Carplay, etc.
Can also confirm. Works with AM/FM radio, but not with SiriusXM. Rather annoying, but whatever, I guess.Confirmed that it works by input. It doesn't with SiriusXM on my 12 inch screen, but works with BT.
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