780C Multi-Interface Interoperability Tester – User Guide Page 81September 29, 2014 Revision A15.3.2 Procedures for Testing CEC on an HDMI/HDBaseT Sink DeviceUse the following procedures to test CEC on an HDMI/HDBaseT sink device.1. Connect the 780C HDMI/HDBaseT OUT port to an HDMI/HDBaseT sink device (e.g. HDTV or A/Vreceiver) using the configuration guidelines provided above.2. Follow the procedures above for Selecting a Signal Type and Resolution to enable the HDMI/HDBaseToutput.3. Touch select CEC Test from the Home menu shown below.The CEC devices on the HDMI network are presented on the display as shown below: