With my Logitech G105 Gaming Keyboard (http://support.logitech.com/en_us/product/gaming-keyboard-g105) There are several buttons at the top, M1-M3 and MR. What do they mean and do? I do know what G1-G6 do though.
What does the M1-3 and MR keys mean
keyboard
Best Answer
From the quickstart guide: