To establish which is the type of audio is going to use in a Safire recorder that has the possibility of using physical audio inputs by RCA and audio over Coaxial HDTVI, via the monitor use the mouse to select the section:
For more information about audio in Safire recorders, access the following article Activate or deactivate audio in SAFIRE recording
IMPORTANT: The Safire recorders that support HDTVI coaxial audio are the ones with reference SF-XVRxxxx(A)S
IMPORTANT: The cameras that can be use for the transmission of audio by coaxial are the Safire cameras that in the web we can find making the filter of Audio by Coaxial HDTVI: