... before, Click on the button control box (as shown) study, then press any key and maintaining ... switch to other until control function.Access mode:Press the "entrance" key "beep" sound production, ... (banned) until the switch to other functions, Press the button, and maintain a one-way "3 seconds," ... control switch to the other functional until, Press the "half" button, and keep 3 seconds, "beep, beep ...