Option 1: AC powerCaution Risk of product damage! Ensure that the power supply voltage corresponds tothe voltage printed on the back or the underside of the product. Risk of electric shock! When you unplug the AC adaptor, always pull the plugfrom the socket. Never pull the cord. 7 &+ !! " Note The type plate is located on the back of the apparatus.1 Connect one end of the AC adaptor to the DC socket on the mainunit.2 Connect the other end of the AC adaptor to the wall outlet.