... passwords as follows:turn to "ON",press "Unlock" of smart key,LED on morse decorder flashes,now it enters the setup status.complete the ... times knocks,now we are permitted to start to setup password:example"123456".knock 1 time to setup first digit"1",LED response 1 time ... LED keeps lighting 1.5 seconds,then go to next step.knock 2 time to setup second digit"2",LED response 2 time ...