780C Multi-Interface Interoperability Tester – User Guide Page 223
Table 12-4 below provides the list of commands supported for testing HDMI source devices:
Table 12-4: List of Commands – For Testing HDMI Cables and Distribution Networks
Cable Test. Runs pseudo random
noise error test on the TMDS R,G,B
channels of an HDMI cable.
CBLT?
<x errors>
Where x errors is the number of
errors detected on R, G and B
channels.
To run a pseudo random noise
error test on the TMDS R,G,B
channels of an HDMI cable:
CBLT?
0 errors
Runs continuity test on +5V, Hot
Plug and DDC leads in an HDMI
cable.
CBL2?
<+5v results>
>Hot Plug results>
<DDC results>
Where +5V results, hot plug results
and DDC results indicate Pass or
Fail for each lead or lead pair.
To run a cable test on the +5V,
DDC and hot plug leads:
CBL2?
+5v: PASS
Hot Plug: PASS
DDC: PASS
Table 11-5 below provides the list of commands supported for running the Frame Compare test:
Table 12-5: List of Commands – For Testing Distribution Networks with the Frame Compare Test
Initiates the capture of a reference
frame for the Frame Compare test.
To capture a reference frame:
PDAX:CAPF
Specifies the number of frames to
capture during the Frame Compare
test.
PDAX:FRMS <frames>
Where frames are the number of
frames that you want to capture
and compare to the reference
frame. Valid values are 0-250.
Default value is 10.
You can query the current value
with:
PDAX:FRMS?
To specify that 100 incoming
frames will be used to compare
with the reference frame:
PDAX:FRMS 100
Enables or disables auto reference
capturing for the Frame Compare
test. If this parameter is disabled
you have to manually capture a
reference frame.
PDAX: REFG <enable>
Where enable is either 0 to disable
or 1 to enable auto reference
capturing.
Default value is o to disable.
You can query the current value
with:
PDAX: REFG?
To enable auto reference
capturing:
PDAX: REFG 1
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