Quantum Data 780C User Manual

780C Multi-Interface Interoperability Tester – User Guide Page 165
September 29, 2014
Revision A1
8.4 Auxiliary Channel Analyzer – Passive Monitoring
The Aux Channel Analyzer test monitors the CEC and DDC channel transactions and hot plug events. You can
monitor the events while emulating either an HDMI source or sink device or you can passively monitor the
transactions. This subsection provides procedures on passive monitoring. The features and functions
described in this section are included only if you have purchased the Auxiliary Channel Analyzer –
Passive Monitoring option.
You can view the details of each transaction and save the traces for viewing on the external ACA application
available from the Quantum Data website.
8.4.1 Configurations for Passively Monitoring CEC and or DDC Transactions with ACA on an HDMI
System
This subsection provides configuration diagrams that depict ACA passive monitoring of an HDMI system.
1. Connect the HDMI system devices to the 780C as shown in the diagram below and described as follows:
a. The HDMI source is connected to the 780C ACA IN connector.
b. The HDMI sink device (e.g. HDTV) is connected to the 780C ACA OUT connector.
8.4.2 Procedures for Passive Monitoring DDC transactions and hot plug events with the Auxiliary
Channel Analyzer on HDMI Devices
This subsection provides procedures for ACA passive monitoring of HDMI devices.
1. Enable the HDMI interface as the active digital interface input as shown below.

Quantum Data 780C Specifications

General

Brand	Quantum Data
Model	780C
Category	Measuring Instruments
Language	English