But for this type of jack is a stereo audio cable must be replaced. Tape one end of the cable to the headphone jack, an end to your sound card line-in or mic. jack. Then, by pressing the REC button to start recording.
More than a point that you do not need to pay attention to the sound of tape. Another point to File> Preferences> Audio 1 / 0 enable the option in Stereo enter the Record