Sure, I understand it, this report about GUI inconsistency, not about ability to change levels separate. Sorry, maybe description is not clear, I meant now for channels PH9 and PH10 only selector from PH9 works, it change levels for both, as it must. But selector for PH10 now do nothing, so, in my opinion it should operate same way as selector for PH9 - change levels for both PH10 and PH9 instead of doing nothing.
Next thing - for channels PH11 and PH12, there is selector only in PH11 settings, it operates as it must, change levels for both PH11 and PH12 simultaneously, but at channel PH12 settings section there is no selector, and it is inconsistent in comparison to couple PH9 and PH10, because hardware and other things for both phone outputs are identical, as far as i know. In my opinion at settings section of channel PH12 should be selector, which will change levels for both PH11 and PH12.