... back automatically, so re-operation is required. E.g. input password “111111”, →pressing the key “#” →displaying” CLOSE” →door will ... door opened a) Double click the key “*" b) Input function password 501508 + “#”, “-date-“will display on screenc) When the “-date ... , before pressing the key “#”, “RESET” will be shown on screen, here, the master password and string password will be recovered to 000000 ...