About “channels” option menu items – Sony NWZ-E463PNK User Manual

NWZ-E464, NWZ-E463GRN, NWZ-E464PNK, NWZ-E464GRN, NWZ-E463, NWZ-E463BLUE, NWZ-E463RED, NWZ-E465, NWZ-E464BLK, NWZ-E464RED, NWZ-E464BLUE, NWZ-E465BLK, NWZ-E463BLK