JBL SYNTHESIS SDP-45 Setup- 33 -S/PDIF DIGITAL AUDIO SOURCES Digital Sources refers to the connected COAX or OPTICAL digital audio connections. If you are using connections other then the defaults then use thisscreen to change to the correct connections. Once you have selected the source you want to change by using the UP and DOWN buttons you can changeto a different Digital Source to select from any valid input.MISCELLANEOUS OPTIONS Parameter Possible SettingsBLU-RAY SPDIF 1 to 4, OPTO 1 to 3SAT/CBL SPDIF 1 to 4, OPTO 1 to 3GAME SPDIF 1 to 4, OPTO 1 to 3CD SPDIF 1 to 4, OPTO 1 to 3DVR SPDIF 1 to 4, OPTO 1 to 3TV SPDIF 1 to 4, OPTO 1 to 3