DDJ 800 beat sync background lit

Hello,

I can see that the Beat sync and Key sync buttons looks a like, but:

- The key sync button has a basic blue background light, and a stronger light when activated

- The beat sync button doesn't have any (supposedly white) background light, but has the stronger light when activated.

Shouldn't the beat sync button also have a little background light continuosly?

Thanks,

Vitéz