Quantum Data 780C - Using the 780 C Test Instrument to Test HDMI and HDBaseT Protocols on Sink Devices; Testing HDCP on an HDMI, HDBaseT HDTV, Projector or Repeater Device; Configurations for Testing HDCP on an HDMI Sink Device; Configurations for Testing HDCP on an HDBaseT Sink Device

780C Multi-Interface Interoperability Tester – User Guide Page 67
September 29, 2014
Revision A1
2. Select ARC.
3. Select the desired audio Signal Type.
Table 4-9 below describes the audio format available for testing the HDMI Audio Return Channel.
Table 4-9: HDMI Audio Return Channel (ARC) Testing
Audio Interface
Audio Formats
HDMI ARC
 Dolby 5.1
 DTS-ES 6.1
 PCM Sine Wave