i know it may be dumb to some,but ive been mowing for awhile, now for myself. maybe its from the dealer and talking about new equip. and maybe i already know what it is but the acyronmyn(?) ocdc what does it mean? what does it do? i ask the second question in case i didnt understand the first. ASK QUESTIONS, ASK QUESTIONS, ASK QUESTIONS!!! ITS THE ONLY WAY YOUR EVER GOINNG TO LEARN!!!