stereo 1 :records sound (l1, r1) when dv recording is taking place.

    stereo 2 :records added sound such as narration (l2, r2) subsequent to original recording.

    mix :records both stereo 1 and stereo 2.

    l1+l2 are recorded in l and r1+r2 are recorded in r, except for sap. in the case of sap, stereo 1 is recorded when recording to dvd-r or if recording in lpcm. details of recording are given in “select mts” on page 45.