An improved dense wavelength division multiplexer for the separation of optical channels is provided. In one embodiment, the process comprises contacting the feedstock with hydrogen gas in the presence of a catalyst comprising Pt, Cu, Ni, Pd, Pt, Rh, Ir, Ru, or Fe on a WO3 or WOx support. Such user operating policies are registered in a configuration management section via a setting section. The virtual scan controller controls the operation of the broadcaster. The implement is pivotally connected with the lift arm assemblies about an implement pivot axis.