We report on the performance of a 1 m 3 TPC filled with CF4 at 3 bar, immersed in liquid scintillator and viewed by photomultipliers. Particle detection, event identification and localization achieved by measuring both the electric current and the scintillation light are presented. Particular features of α particle detection are also discussed. Finally, the 54 Mn photopeak, reconstructed from the Compton scattering and recoil angle is shown.PACS numbers: 29.40. +G+M, 13.15, 26.65, 96.60.J
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