Other systems have five, six or seven change bittings under the master bitting, so the "p" in px accommodates all of these master key systems. This is the total amount of change keys that can be progressed in a standard six-pin master key system. When "p" in px equals 4 (the rows) and "x" equals the 6 (the columns), the results are 41+1+1+1+1+1 or 46 or 4x4x4x4x4x4, or 4096. With most systems, there are four change key bittings under the system bitting in the KBA. In the KBA, this is expressed as rows for change key bittings and columns for the number of key bittings. This refers to the relationship to the number of change key bittings under the master bitting. In Figure 2, the KEEWERX template, the mechanism that creates Generics is px. To do this, you will need the Key Bitting Array (KBA, Figure 1) and a worksheet specifically designed to determine key bittings from Generic Types.īefore starting, let' s review what a Generic Type is. A Generic Type will be selected from within a master key system, and the key bitting will be determined.
This article will demonstrate the reverse. Generic Types were used to target how the key performed within the master key system and on a page, demonstrating the power of the key. The last article (October 2004 Locksmith Ledger) demonstrated how to determine the power and characteristics of a random key in the master key system by decoding the key bittings. Generics can simplify how we consider and work with incidental master keys. By using Generics, locksmiths can easily develop master keys, or develop key characteristics from key
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