Quantum Data 780B User Manual page 206

780B Video Generator/Analyzer – User Guide
Table 11-3: List of Commands – For Testing HDMI Source Devices
Command Description
AUDA:RPTP? Queries the audio infoframe and
channel status bits and issues a text
report.
CECx:PING? Runs a CEC ping test from:
the HDMI Tx (x = 1)
or
the HDMI Rx (x = 2) port.
CPAG Enables or disables HDCP on the
HDMI Rx port.
DIDL Loads an EDID file into memory in
preparation to apply it to the Rx port
with the DIDU command.
December 1, 2014
Syntax
AUDA:RPTP?
CECx:PING <LA>
<results>
Where x = 0 for the HDMI Rx port
and x = 1 for the HDMI Tx port.
Where LA = the logical address of
the device you want to ping.
CPAG <enable>
CPAG?
Where enable is:
0 = disable
1 = enable
DIDL <file.xml>
Where file.xml is an EDID file
stored in the 780B memory.
Page 205
Command Example
To view the audio infoframe and
channel status bits:
AUDA:RPTP?
Audio InfoFrame data:
Channel count: 2 channels
Coding type: 0 (Refer to stream
header)
Word length: Refer to stream
header
Sampling freq.: Refer to stream
header
Channel allocation:
--- --- --- --- --- --- FR FL
Channel status bits:
Application: Consumer
Sample words: LPCM
Copyright asserted: Yes
Format info: Default
Mode: 0
Category code: 00
Source number: 0
Channel number: 0
Sampling freq.: 48 KHz
Word length: 24 bits
To ping an HDTV from the 780B
HDMI Tx port:
CEC1:PING 00
TV (LA=0) found
To disable HDCP on the HDMI Rx
port:
CPAG 0
ALLU
To load an EDID file and apply it to
the Rx port:
DIDL my720p.xml
DIDU
Revision A7