Driving Start Distance - If using AOBRD, this is the distance at which Encompass® ELD will take the driver out of On Duty-Not Driving into a Driving status. Driving Start Speed - If using ELD, this is...Driving Start Distance - If using AOBRD, this is the distance at which Encompass® ELD will take the driver out of On Duty-Not Driving into a Driving status. Driving Start Speed - If using ELD, this is the speed in which the vehicle must be traveling at a minimum for Encompass® ELD to take the driver out of On Duty-Not Driving into a Driving status.