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This will allow the safe to be opened when the batteries are changed after the pre-set time if the correct code is entered. Some electronic combination locks with a time-delay feature require the code to be entered twice: once to start the timer, and a second to unlock and open the safe entered after the delay period has expired.
A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...
Through the management system, the administrator needs to set the user, unlock date and time period for the key. Whenever the user unlocks or locks the lock, the unlock record will be saved in the key. [5] The unlocking record can be tracked through the management software. Industry smart lock cylinder (passive electronic cylinder lock)
In the video, you see the user place a bottle of whiskey into the safe. He closes the door to the safe, inputs a 4-digit passcode followed by "lock."
The code, while factory programmed, can subseqently be user programmed and if shared, can be easily changed to prevent subsequent vehicle access. The system also allows a user to leave the ignition key in the vehicle, for later retrieval — including by another user sharing a unique entry code.
A safe may be compromised by using a manufacturer-set combination. Known as try-out combinations, these allow an owner initial access to their safe in order to set a new unique one. Sources of try-out combinations exist by manufacturer. Other easy-to-guess combinations include a birthdate, street address, or driver's license number.
A quick demonstration of an electronic door lock. An electronic lock (or electric lock) is a locking device which operates by means of electric current. Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock.
Protective relay is an example of an intelligent electronic device. In the electric power industry, an intelligent electronic device (IED) is an integrated microprocessor-based controller of power system equipment, such as circuit breakers, transformers and capacitor banks. [1]