today i just get the delivery for my new Sony kdl 40ex720 tv and when i start it first time, i am getting selection box to choose Home mode and shop mode. i dont know what is Home mode and shop mode is, so just select home mode. now i just want to go backto that setting option to select the mode. so anyone have any idea how can i do this? and because i am new any one have any idea which is the best mode to select?