What is the timesteps definition in steady state CFD simulations?

In AcuSolve the steady-state solve is first-order in time, so we are not attempting to achieve a time-accurate solution.  We just want to get the final steady-state solution, without any concern of the path to get there.  Thus we use a very large (non-physical) time step size.  Within each time step we take many linear equation solver iterations before moving to the next time step and updating the 'initial guess' for that time step.