Energy spectra (left) and power spectra (right) for three representative source states: hard (MJD 54801; 2008 December 1), SPL (MJD 54826; 2008 December 26), and thermal (MJD 54846; 2009 January 15). In the energy spectra, black points are PCA, red points are HEXTE, and green points are XRT. The component models are power-law (blue), black body (red), and iron line (black).