... the cylinder cap (use special hook); insert the mechanical key; turn 90ºclockwise; the door opened; ... the door and press the door, input 1to 9 digits as your password, press #, the safe ... state, input Master Password, press #, display PASS1~9, after 10seconds, the safe is unlocked.Example: if ... state, press 123456781234, → press #, →display PASS1~9, do not press any key, after 10seconds →the safe ...