UPDATE: As of November 6, 2019, the DAC-70's firmware has been revised to enable 3G SDI Level A and Level B. Please make sure your DAC-70 is updated to firmware version: Version: V 0.1.4.0
Further Reading on Level A and Level B Standards:
https://en.wikipedia.org/wiki/SMPTE_424M
https://www.aja.com/pdf/qa/Dual_Link_and_3G_Overview.pdf
http://www.flandersscientific.com/index/3gbps_sdi.php
