The test vehicle was different from the actual system in many ways.
They had every technology available, but they did not have an actual system of care.
Although it was continuously under development over a period of more than 10 years, only two actual systems were ever sold.
As many authors confuse the prototype with the actual system, a bit of history is in order.
The size of the effect depends on the actual mechanical system.
These models can often be run in real time to give a virtual response close to the actual system.
In other words, the computer model runs at the same rate as the actual physical system.
The systems structure and operation should also be verified with users of the actual system.
In an actual system, these factors are all linked to each other.
But the presidential codes were then put through a "filter" at the actual system.