I did a search and sent my questions to Wahoo but I'm looking for any additional help.

I just bought a Kickr Core after having an Elite Direto for 3 years.

I have the latest firmware update and I read that it includes cadence. I can't get the cadence to work. Does it only work on bluetooth and not ANT? Do I need any additional sensors?

I ask this question because the Core feels harder than the Direto and my avatar on Zwift stands a lot. It stood all the way up the Alp du Zwift and I have compact gearing, I'm a light rider and I spin in the 90's when I go up the Alp. I tried adjusting the difficulty setting on Zwift and my avatar still stands a lot. Doesn't this mean Zwift or the trainer thinks I'm pedaling slower the 75 rpm?

I'm wondering if my avatar standing a lot is tied in with the information not correct between the trainer and Zwift. I do not have any other means to measure power.

I performed a spin down, but what do you do with that information? Is it to be interpreted in any way?

I've heard of people doing a spin down through Zwift, is this possible? I haven't seen any way to do it.