Propagation diagrams of 1 M_⊙ RC models with Y_C ≃ 0.5 showing the Lamb (S) and reduced Lamb $(\stackrel{\sim }{S})$ frequencies as blue solid and dashed lines respectively. The Brunt-Väisälä (N) and reduced Brunt-Väisälä $(\stackrel{\sim }{N})$ frequencies are shown as orange solid and dashed lines respectively. ν_max is shown as a horizontal black line. The green hashed regions show where the star is undergoing convection, and the purple cross-hashed region shows where convective overshoot is occurring.