The Livewire channel into BA1 must be of stream mode “Live” or “Low Latency” not “Standard”. So the Livewire channel must com from an mixer or XNode, or AES67 with 1ms packets.
Older Apple iPod Nano supports Radio Text Plus (RT+), I know for fact that 2009 and 2010 versions do, unsure about 2012. The new “iPhone look a like” iPod do not have any FM radio.