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How many times do you input a code each day? We’ve all got PIN numbers for our bank accounts and passwords for our computers and we use them on a daily basis without even thinking about it. Now that keyless entry is becoming the modern choice for securing doors, cabinets and lockers, we need to be able to remember more code combinations than ever before. But how do you choose codes that are both secure and easy to remember?
‘1234’ is an obvious choice, but it’s also the first code an intruder will try! Digital mechanical door locks only allow each digit to be used once, so, for example, codes ‘1122’ or ‘8888’ can’t be used. This makes selecting a code for a mechanical door lock slightly more limiting than it is selecting one for a digital electronic door lock. With electronic push-button locks the number of possible code permutations…
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