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View and Download Sony STR-DH770 operating instructions manual online. STR-DH770 receiver pdf manual download. Get Sony STR-DH770 PDF manuals and user guides, View all Sony STR-DH770 manuals. Add to My Manuals Save this manual to your list of manualsFind instruction manuals and brochures for STR-DH770. The page is about user manuals, installation instructions, specifications, pictures and questions and answers of Sony STR-DH770. the speaker levels manually according to your preference using [] - [TEST TONE] If [STR-DH770] is not displayed, repeat this process from step 1.