Start by opening the Symbol Editor, go to Tools Symbol Editor. Select the Open Symbol button on the tool bar to load an existing symbol. If you do not want to use an existing symbol, you can begin drawing your symbol here. You will draw the body of your symbol in the shaded area provided using the p...

A. Create a footprint: If you want to start with an existing footprint select Design > Edit Footprint from the PCB123 layout screen to search our library for the desired footprint. Here you can load the part in the footprint editor verify the footprint and edit if needed. 1. Start in the Layout tab...

PCB123 will allow you to place the missing sections. Use the following steps from the schematic. Right click on one of the existing sections of your multi-section symbol and select properties. Copy the _PARTNUMMFG Value then close the properties window. Go to the toolbar and select the Add Part butt...