Related Manuals for S&G 2740
Summary of Contents for S&G 2740
- Page 1 2740 & OPERATING INsTRucTIONs Defense Security Service, Center for Development of Security Excellence http://dssa.dss.mil Revised: 01/12...
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Page 2: Table Of Contents
Table of Contents S&G Model 2740 Electromechanical Safe Lock Table of Contents perating Otes Operation Notes....................1 Dialing Notes.....................1 Battery Notes.....................2 Beep Patterns.....................3 perating nstructiOns Opening the Lock in Single-User Mode.............4 Opening the Lock in Dual-User Mode...............4 Combination Change Notes................5 Changing the Combination with the Change Key..........6 Defense Security Service, Center for Development of Security Excellence http://dssa.dss. -
Page 3: Operating Notes
• The lock will emit a beep or beep pattern to communicate its state. See the table on page 3. • If ten (10) incorrect combinations are entered in a row, the S&G Model 2740 Electromechanical Safe Lock will shut down for a period of ten (10) minutes. -
Page 4: Battery Notes
S&G Model 2740 Electromechanical Safe Lock Battery Notes • S&G Model 2740 Electromechanical Safe Lock is powered by a CR123A lithium- ion battery (main) and a CR2450 coin cell (long-life backup battery). • To test battery strength, press and hold the Setup Module Button for one second. -
Page 5: Beep Patterns
Operating Notes S&G Model 2740 Electromechanical Safe Lock Beep Patterns • Standard Beep: A short, distinct beep • “Brap” Beep: A long beep that is ten times as long as the standard beep Beep Pattern Description 1 Beep Change key has been inserted and recognized... -
Page 6: Operating Instructions
Operating Instructions S&G Model 2740 Electromechanical Safe Lock Opening the Lock in Single-User Mode Turn dial left (counterclockwise) at least four complete revolutions, then stop precisely on the first number of the combination. Turn the dial right (clockwise) three times, stopping when the second number of the combination comes into view during the third rotation. -
Page 7: Combination Change Notes
• All combinations must contain three (3) numbers, ranging from 0 to 99. • Unlike mechanical locks, the 2740 has no forbidden zone, and it does not have a restriction on how close adjacent numbers of the combination may be to one another. -
Page 8: Changing The Combination With The Change Key
The lock’s combination can be changed by use of the setup module or a separate change key. Only a safe technician who has successfully completed the factory approved 2740 training class should connect a setup module to lock. The change key can be used by a safe custodian or security officer following the appropriate instructions included in this document. - Page 9 Operating Instructions S&G Model 2740 Electromechanical Safe Lock Changing the Combination with the Change key - Continued 14. Turn the dial left two times, stopping on the third number of the new combination. 15. Turn the dial right, listening for five quick beeps to indicate a successful combination change.