Quantum Data 881 User Manual
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881/882 Video Test Generator User Guide (Rev A.22)
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1. (Optional) Click the
Save button on the toolbar to save the trace to a file. The Save
Trace dialog box appears. Navigate to the folder where you want to save the file. In the
File Name box, type a name for the file, and then click Save.
2. (Optional) The ACA includes a command utility available from the
Options pull down
menu. This utility enables you to enter CEC commands and monitor the results.
To monitor the HDCP transactions on the DDC (I2C) bus (channel):
1. Set up the generator/analyzer for HDMI in accordance with the instructions above “
set up the generator for monitoring the DDC on HDMI:
Message Source: The type of device (product
type) and the logical address of the device that
sent the message
Message Destination: The destination device of
the message. If a targeted device then its logical
addres is provided. If the message is a broadcast
“All” is shown and the logical address is F (hex)
Message Opcode: The CEC operational code
for the function of the message
Device Vendor ID: The identification code for the
vendor equipment
Bit Timings: These are the timings for each bit in
the block. They are numbered on the left. The
timings for the bit high times are listed and the
timings for the low bit times
Details
Data