Hi guys, I am the owner of a 97' Fender Jazz bass a few years ago and it ocured to me that I don't know much about my bass. Would some one please verify what I think each dial does and if there is a difference in any way between the neck and bridge pickups (Like one picks up more trebel the other bass, something like that.). Going from top to bottom I know #1 is Volume, I think #2 is Mid eq, #3 I know is a double stack bass and trebel (I know the treble knob is missing), and #4 I really don't know much of, it's either a pickup selector or gain/boost (Would really like to know what this knob is really is.). And like I said previously, are these pickups identical, do the eq's go to different pups (This is a used bass but I believe it is all factory set except for the gold tuners I put on.), anything I haven't thought of? Also, you won't be able to see this in my pictures but the pick guard is a creme color and the body, depending on the light it ranges from a very deep red to a pinkish purple that you can still see the wood under. Does any one know what wood/stain this is?