unless somehow apexi figured that .70 is 14.3 a/r ??
but i doubt they'd give u a digital readout option and an actual ratio option,, ya know?
dizin, u might be lookin at the wrong numbers, idk

the wiring instructions
http://www.apexi-usa.com/productdocu..._autotimer.pdf
actually say to tap the o2 sensor, so you will definately get the actuall voltage number from the o2,,,,,,,well holy shiznittle, it does use the voltage to display an actual number,,,,,
http://www.apexi-usa.com/productdocu...structions.pdf

wierd shit!