CarNetix PSU-PC12 V1.1 Installation Manual2.2 Setting the JumpersThere are 3 user settable jumpers on the PSU-PC12. Below is a picture of their location on theboard. You will need to remove the 4 screws that hold the lid, remove the lid, and disconnect the fanwire to get access the jumpers. Once you have selected your desired jumper positions, replace thefan wire (note polarity of connector), replace the lid, and replace the 4 lid screws. Be careful not topinch the wire or let the fan wire touch the blades of the fan as your replace the lid.Jumper FunctionsJP1 Pulse Start InputShutdown Delay TimeHibernate/StandbyDelayOn OptionJP3 +5V Always OnJP4 Secondary Output ControlJP-3JP-4JP-1 Figure 3 Jumper Location- 8 -