I've just bought Corsair Ironclaw RGB wireless mouse and downloaded iCUE software. My "Options" button (which is supposed to be the sniper button) doesn't do anything. I'm able to switch DPI settings between three presets (800,1500 and 3000) with the "DPI Up" and "DPI Down" buttons and left side LED indicator shows 1,2 and 3 cyan bars accordingly but "Options" button doesn't change LED indicator to yellow as it should. Does it mean I must assign this button manually?