I have this auxiliary input adapter from a previous Pioneer setup:
http://www.sonicelec...ioneer-Aux.html
I tried it with my 130BT, but when connected I don't hear anything when I connect an audio source to it (iPod, cell phone, etc.).
I've tried changing one of the inputs to "ext." in the settings, but that didn't do anything.
It sounds like the part you are referring to only works with Pioneer HU's that support a CD changer. To my knowledge, the Z1x0-BT series does not support a CD changer, therefore your adapter is not comparible. As far as EXT1/2, the manual states "The term “external unit†refers to futurePioneer devices that are not currently plannedfor, or to devices that allow control of basicfunctions although they are not fully controlledby the navigation system." That vague description sounds like it could include a CD changer device, but it also sounds like the Z series doesn't currently support them.
So, it seems you are out of luck with 3 AV inputs. Maybe you could use an AV switch and do it manually. Not a perfect solution, but how often do you need to switch between 3 inputs, plus all the other sources?
BTW, when someone is trying to help you, it isn't wise to cop an attitude. Unless you plan on never comming back here.