Querying the cec message log – Quantum Data 881 User Manual
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Configuring generator to not respond to CEC messages
The 882 can be configured to not respond to CEC messages from a device. When the 882
is configured to not respond to CEC messages, it acknowledges (ACKs) messages, but
does not send responses to commands/queries.
To disable responses to CEC messages:
1. Enter the following command to disable responses on the HDMI connector:
CEC1:RSPG 0
//disables responses on the HDMI Tx output 1 port
CEC3:RSPG 0
//disables responses on the HDMI Rx ports
To enable responses to CEC messages:
1. Enter the following command to enable responses on the HDMI connector:
CEC1:RSPG 1
//enables responses on the HDMI Tx output 1 port
CEC3:RSPG 1
//enables responses on the HDMI Rx ports
Querying the CEC message log
You can either view the CEC message log from a file or you can query the contents of the
log through the command line. The message log is a circular queue with twelve messages
(frames). You can view any message in the queue through a command line query using an
indexing parameter. You can also clear the log through the command line. Each CEC
message in the queue contains the following information:
•
Source logical address
•
Destination logical address
•
Opcode
•
Parameters (if any)
•
Parameter list length
The procedures below show how to view the CEC log either as a file or through the
command line with queries.
To view CEC messages through a file:
1. Connect the source generator to the PC using an Ethernet patch cable or cross over
cable between the Ethernet ports on the PC and the generator “