780C Multi-Interface Interoperability Tester – User Guide Page 117
Table 6-2: Audio Analyzer
Audio IEC Header decoded data (left side)
Audio word length. One of:
16 bit
20 bit
24 bit
6.4.4 Procedures for Testing Audio from an HDMI/HDBaseT Source Device
Use the following procedures to test the audio from an HDMI source device.
6. Make the physical connection between the 780C HDMI or HDBaseT IN port and the source device under
test using the configuration instructions above.
7. Enable the HDMI or HDBaseT as the active digital interface input.
8. Select Audio Analyzer from the Home menu shown below.