V20 PRESENTATION REHEARSAL BOUNDARY CHECK TRIALS: T1 660s / T2 630s / T3 570s; MEDIAN 630s PLAN P600: INTRO 90s / DEMO 330s / CLOSE 180s = 600s CUES: 00:00 / 01:30 / 07:00 / 10:00 REHEARSAL R30: 5s / 16s / 9s = 30s; NOT LIVE UNKNOWN IS NOT ZERO-FILLED; DUPLICATE IDS ARE NOT ACCEPTED SYNTHETIC ONLY: NO PERFORMANCE OR GRADE GUARANTEE