rme adi-2 fs

Hi all, I have been using the RME for headphones and HiFi preamp/DAC. I found out recently that whenever I set the sample rate for the Analog input to anything higher than 96khz(DSDxx) PEQ is disabled (I get a notification about it when toggling the PEQ). However, the manual says that PEQ is...

Good evening all from Ireland. I'm looking for some advice please on a few issues and I understand totally if you give up after a few lines as I ramble but despite being a wannabe audiophile (taking the scientific approach) I'm very much a noob. Given that my biggest problem right now is the...