Sargent and Greenleaf (S&G) manufactures high-security combination locks, electronic safe locks, and access control solutions for global commercial and residential use.
Sargent u Greenleaf, magħruf komunement bħala S&G, is a highly respected global manufacturer of high-security locks, renowned for securing safes, vaults, and specialized enclosures. Founded in 1857 by James Sargent, the company pioneered innovations in combination locks and time delay mechanisms.
Today, S&G produces a robust lineup of mechanical combination locks, key-operated locks, motorized electronic safe locks, and biometric access solutions used by military, commercial, and residential clients worldwide. Whether you need an electronic keypad with remote audit trailing, a biometric interface, or a traditional mechanical dial combination lock, Sargent and Greenleaf devices are built to rigorous standards for attack resistance and reliability. Headquartered in Nicholasville, Kentucky, S&G continues to lead the industry in vault security and advanced electronic access technology.
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For many S&G models like the 6120, begin by pressing SG* (74*), followed by the existing six-digit master code and #. The lock will beep five times. Next, press 1* followed by your new six-digit code and #. Enter the new six-digit code again and press #. Always leave the safe door open while testing your new code.
If you enter a code and the lock beeps twenty times rapidly, the battery is low and must be replaced. The lock generally uses a 9-volt alkaline battery (Duracell is highly recommended).
The factory default master code for most S&G electronic safe locks is 1 2 3 4 5 6 #. For security reasons, you should set the lock to your own unique master code immediately upon installation.
A time delay is a security feature typically used to deter armed robbery. It requires a waiting period (e.g., 1 to 9 minutes) between entering a valid code and when the lock actually opens. Users must enter their code again within a specific window after the delay completes.