change key

   1. a key which operates only one cylinder or one group of keyed alike cylinders in a keying system,
   2. any device that is used to mechanically or electronically allow resetting of certain key or combination locks, see also "reset key1"

Locksmith dictionary . 2014.

Look at other dictionaries:

  • Change key — A key adapted to open only one of a set of locks; distinguished from a {master key}. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • Change key — A change key is a key on the lowest level of a master keying system. Change keys are also referred to as day keys. Typically change keys are issued to personnel that require access to one or two areas in a facility. By definition, a change key is …   Wikipedia

  • change key — noun : a key that operates only one lock of a master keyed lock system * * * a key opening only one lock …   Useful english dictionary

  • change key — a key opening only one lock. * * * …   Universalium

  • associated change key —   n.    a change key which is related directly to particular master key(s) through the use of constant cuts …   Locksmith dictionary

  • unassociated change key —   n.    a change key which is not related directly to a particular master key through the use of certain constant cuts …   Locksmith dictionary

  • Key performance indicator — Key Performance Indicators (KPI) are financial and non financial metrics used to help an organization define and measure progress toward organizational goals [ [ Key Performance… …   Wikipedia

  • Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …   Wikipedia

  • Key signature — For use in cryptography, see Key signature (cryptography). Key signature A major / F♯ minor with three sharps placed after the clef. In musical notation, a key signature is a series of sharp or …   Wikipedia

  • key — key1 /kee/, n., pl. keys, adj., v., keyed, keying. n. 1. a small metal instrument specially cut to fit into a lock and move its bolt. 2. any of various devices resembling or functioning as a key: the key of a clock. 3. See key card. 4. something… …   Universalium

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