1SEL-PFL MODE*
Headphones and ST “Studio” speakers receive the same selected sources, except for the PFL selection.
If you choose the 1SEL from MENU you must receive the selected source only.
Headphones and ST “Studio” speakers will be independent.
Normally Headphones listen to the selected source like the speakers.
If PFL is pressed, Studio headphone cannot listen to PFL, CR headphone only.
It is inactive in version 2.1.0.6 and previous releases.