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The Multi-Channel tab of the Project Options dialog
This tab of the Project Options dialog enables you to define the room naming scheme and component designator format for use with multi-channel designs. Multi-channel design is the ability to reference the same sub-sheet in the project multiple times. This can be done by placing multiple sheet symbols that reference the same sub-sheet, or by including the Repeat keyword in the designator of a Sheet Symbol to instantiate it multiple times.
Altium Designer offers true multi-channel design, meaning that you can reference single sheets repeatedly in a project. Any changes that might need to be made can be applied in one place and recompiling the project then propagates those changes through each instantiation. Altium Designer not only supports multiple channels, it also allows them to be nested.
The mapping from the single logical component on the schematic to the multiple physical instances on the PCB is controlled by the multi-channel designator scheme defined on this tab.
This is one of multiple tabs available when configuring the options for a project accessed from within the Project Options dialog. To access this dialog:
You also can define your own component designator format by typing directly into the Designator Format field. The following keywords can be used when constructing the format string:
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