Multiepoch model spectra for various CSM configurations. We show the spectral evolution computed with CMFGEN and based on the HERACLES simulations for the Case-(1) CSM models (atmospheric scale height of 0.01 R_⋆) with wind mass-loss rate of 1.0 (top left; model mdot1em0), 0.1 (top right; model mdot1em1), 0.01 (bottom left; model mdot1em2), and 0.0001 M_⊙ yr⁻¹ (bottom right; model mdot1em4). An additional scaling of the wind density by a factor of 1/R is employed.