For optimum performance and safety, please read these instructions carefully. Manual are of SC-BTT770 for the U.S.A. and Canada. Manual for Panasonic SC-BTT770 Home Theater System. View and download the pdf, find answers to frequently asked questions and read feedback from users. Owner's Manual. Blu-ray Disc. TM. Home Theater Sound System. Model No. SC-BTT770. SC-BTT370 SC-BTT270 SC-BTT273. Dear customer.