980 DP Video Generator - User Guide Rev. A4
Page 72 July 14, 2014
5 Auxiliary Channel Analyzer (ACA) Utilities
The Auxiliary Channel Analyzer (ACA) utilities enable you to view the DDC and aux channel traffic for DisplayPort
1.2 streams in real time or from stored real time files. For DisplayPort, you can view the HDCP authentication
transactions, EDID exchanges and Link Training transactions in real time with the ACA either through the
embedded 980 GUI (or the external 980 GUI with release 4.9.35 or later). There are three (3) Auxiliary Channel
Analyzer utilities:
Auxiliary Channel Analyzer – Used for real time viewing auxiliary channel DisplayPort Aux Chan data
through the embedded 980 GUI Manager.
ACA Remote Control - Used for viewing auxiliary channel DisplayPort data through the external 980 GUI
Manager. This application operates in sync with the Aux Channel Analyzer on the embedded display.
ACA Data Viewer - Used for viewing previously captured auxiliary channel data. You can view saved
these ACA traces and disseminate them to colleagues at other locations. These colleagues can then use
the ACA Data Viewer utility off-line without a 980 test instrument to view these transactions.
The look and feel of each utility is somewhat different.
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