text: This course provides training for technicians on the ICSS Denro Model 400 RDVS. The course is 24 hours Academy Lecture and 24 hours Academy Laboratory. Lecture subjects include RDVS system description, theory of operation of LRU'S, system reconfiguration, audio levels/alignments, and troubleshooting. Laboratory subjects include operation of positions, audio level checks, alignment of positions, central rack boards and power supplies, system reconfiguration, and troubleshooting. For information on exams for this course, see the Special Instructions in FIST.