... : press "1" for 5 seconds,lock sounds "tick", red light lights up;Second step: press "1" then release the key,lock sounds "tick";Third ... Press any key or wait for 8 seconds finish.2.5.3 Register temporary fingerprintFirst step: press "1" for 5 seconds,lock sounds "tick ... ", red light lights up;Second step: press "2" then release the key,lock sounds "tick";Third ...