On the Subject of Not Text Field

It’s trivial. Just 6 letters out there, each with only 5 rules! Wait, what did you say? It’s more complicated than that?

• There will be a 3×4 field of letters with 4 distinct letters. One of the letters will appear 9 times, while each other letter only appears once.
• To begin, press the letters which appear once in alphabetical order.
• Three more letters will appear. Press these in a certain order. Repeat this until every cell is pressed.

	If the ... is even,	Then:	Else:
A	# of batteries	Red	Green
B	# of ports	Red	Blue
C	# of lit indicators	Green	Red
D	# of unlit indicators	Green	Blue
E	First serial # digit	Blue	Red
F	Last serial # digit	Blue	Green

• Use the diagram according to the letter which appeared 9 times.
• Take the first unique letter in alphabetical order and find it within the diagram.
• Follow the arrow according to the first pressed letter of the previous stage in the table.
• Do this with the second and third accordingly. These are the mapped letters.

• Once all three letters have had their mappings determined, press them based on their mapped letters in alphabetical order.
• If multiple letters have the same mapped letter, break ties by their displayed letter.