to be found by accesing the setup menu, using the button inside the grip frame. you have the choice of slow, medium or fast dependant on how your marker is set up. the description on how to access these and change the settings are to be found at the back of the e-blade manual
thanks for your help ajb it rocks now i had it set to fast for my revy so the bolt would move so fast a ball wouldnt even drop in. i guess you need a halo or eggy for that setting lol!!. i have it on medium now with my revy it works great.