... & Air mouse Main functions and characteristics:1.80 keys QWERTY Keyboard, air mouse & fly mouse all in ... please enter FN + CPI+ or FN + CPI keys to adjust the mouse move speed till feel suitable;Code checking ... Main Keyboard, and enter FN + F1(RF) keys, now the up right side yellow light of the ... to observe whether the cursor moves on the display. If the cursor moves, it means code checking successful, ...