Apogee Scintillas and how to change from 4 to 1 oh

I just bought a pair of Apogee Scintilla's a 1 / 4 ohm . Not sure how to hook up for either 1 or 4 ohm. The manual seems to be missing how to switch from one to the other. Is it moving the wires on the binding posts-internally or is it putting a jumper across etc. the manual doesn't show what wires are to which binding posts internally that needs to be changed if that is the case.
I am using a Sunfire signature amp with bi wiring if I wish..or just with the normal pair of outputs with a jumper wire between the sets of binding posts per speaker??