Fire TV Guide / livetv button on physical remote

[ukmgranger]

Hi there, fairly new to this card, so just finding my feet.

My physical Fire TV remote (fireTV stick HD 1st gen)
has a guide / live TV button, but I can't get this to work in the card. Anyone else having this? I purchased this very recently from Amazon, so guessing it's relatively new gen wise.

I'm using Fire TV stick 4k 2nd gen, but have also tried several other options but none seem to get the guide working.