On the Subject of Backing Grounds

Table for you too...

Press "Push Me!" until it matches the number in the correct cell.

black cells are deemed impossible	No D batts	No AA batts	Backing & Button = R Y B	Button = O G P	Unlit SND	Serial Port	Backing + B = Button	Otherwise
Backing = Button	7	1	4	7	2	9		3
W XOR K	8	6		8	4	2	6	6
No D batts		4	6	4	1	7	4	5
No AA batts			5	8	4	2	6	6
Backing & Button = R Y B					9	8		7
Button = O G P					2	3	6	1
Unlit SND						5	3	5
Serial Port							8	7
Backing + B = Button								5
Otherwise								5