AUDIO PANEL system (ISO C50c, C35d; RICA DO-160b, CO-170, 00-143). using InstI/Operation Man. PIN 200-070-0012, Rev. 12 Sept 2000, 8 EA DWG AV6850. The PMA7000 Audio Panel was installed at F. S. 40 in the instrument panelwhere the PMA8000 Audio Panel was originally installed reference EA DWG, AV6718. Installed 2 ea BO