I recently went from having two front height (ATMOS) speakers to four, added two height rears the other day. It's a 7.2.4. When I run the test tones I hear tone from each speaker but I am not seeing the two rear surrounds showing up as icons on the receiver front panel now. I assume this unit is capable of 7.2.4 out of the box as there are speaker jacks in the back for all that is needed. Is there a setting I missed someplace? I do see them all listed when I look at the monitor to follow the test tone and make my changes to the size after running YPAO.