Extron electronics DMP 128 FlexPlus User Manual page 75

Virtual Send channels cannot be routed to themselves. For example,
may be routed to
Virtual Return B
cannot be routed to itself via the virtual send bus, and so on (see figure 115 below).
Figure 115. Virtual Send Bus for Virtual Returns
via the virtual send bus, but
DMP 128 FlexPlus • DSP Configurator Software
Virtual Return A
Virtual Return A
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