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There are a few different places to access the net label tool.
Once in the tool, you simply click in the schematic to designate one corner and click somewhere else to define the other corner. Then double click or open the properties panel to edit the name. As with other tools, you can also hit   |
Check out the https://nerdocs.atlassian.net/wiki/spaces/NER/pages/118718470/Vault+Guidelines#Notes for more about how we do notes including color coding, numerical annotations, and more.
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The differential pair marker can be found in a few different menus, including the schematic toolbar and just right clicking anywhere in schematic.  A marker must be placed on each of the two nets that make up the differential pair. Additionally, each net must have a net label of the same name, one ending in “_N” and the other in “_P”, indicating “negative” and “positive”. This is usually an arbitrary distinction, but depends on your circuit  The above image utilizes the “_P” and “_N” suffixes to establish they are the paired nets. See the below {X} section to learn more about the bus used on the right. Once created in schematic, the exact impedance requirement is set using design rules. This can be set by using the design rules label mentioned in the above section or by adding it directly to the DIFFPAIR directive.
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“Advanced” Schematic Features
This section will encompass any features that we use frequently, but are beyond the scope of a basic introductory tutorial.
Variants
Variants are a way to indicate different manners in which a PCB may be populated with components for different use cases. For our purposes, they are generally used to indicate what components are DNP/DNI (Do Not Populate/Place/Install), which is useful in making sure that we don’t accidentally populate the wrong things when assembling boards.
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Right Click on a Project in the Projects tab, and click Variants  At the bottom left of the Variant Management window, click on “Add Variant,” and enter an appropriate name. If you’re solely making the variant for tracking DNPs, then enter a name like “[Project name] Default Population”    |
Busses
{talk about busses}
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