QRP Labs QCX-mini - Install 11 Mm Nylon Hex Spacer

3.40 Fit Controls PCB to main PCB
Now fit the Controls PCB to the main PCB by plugging together the two 2x4-pin header
connectors.
Fit an M3 6mm screw from the underside of the main PCB, screwed into the 11mm nylon
hex spacer pillar that is fixed to the Controls PCB, as shown in the following photograph.
 65