Requirements For Operation; Programming; Software Key - Simplex 4120 Operating Instructions Manual

Requirements for Operation

Programming

Software Key

Before you can operate the NPU, it must be programmed.
Please refer to the publication (Graphical Command Center [GCC]
Programming Instructions) and ensure that the system is programmed as
desired. The GCC Programming Instructions also apply to the NPU.
To operate the system you must have a software key. The software key plugs into
the parallel port on the PC.
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