my father inlaw gave me a scanner.. yeah its a bit old, im sure there are newer ones and better ones. but i have never used one of any sort ..

it was free and i kinda think its cool

i need help with like maybe a pdf of what some of the stuff this thing reads out mean so far all teh details i have on it is it's manufactured by a company from "owatanna tool company" aka "otc" and it says on the front "monitor 2000" with a display area that my index finger can cover.. an arrow up an arrow down an f1 and an f2 button 1-9+0 and enter and mode keys the and it is mostly black... the cartrage in it is "OTC software cartridge GM 81-87"

anyone know where themanual is let me know.. or any information on it let me know.. thanks