... 11 keys : 1, lock→the mouse on/off; 2, Home→ keyboard :Home key; 3, Menu→ keyboard :F1 key; 4, ok→mouse ... keyboard: PageUp key; 8, PageDown→ keyboard corresponding PageDown key; 9, mute→system: mute key; 10, volume add→ corresponding system volume and key; 11, ... “lock”key can lock the cursor, in the cursor locking condition, double click to the“lock” key quick can remove cursor lock,press “lock” key for ...