Quantum Data 780B User Manual page 199

780B Video Generator/Analyzer – User Guide
Table 11-1: List of Commands (alphabetical) – For Testing HDMI Sink Devices
Command Description
FRAT? Queries the frame rate
of the outgoing HDMI
format.
HDCP? Runs an HDCP
authentication test on
an HDMI sink device
HPAG? Query the incoming
sink for hot plug pin
status.
HRAT Sets the horizontal
rate of the video
timing.
HRES Sets the horizontal
resolution of the video
timing.
HTOT Sets the horizontal
total number of pixels
of the video timing.
HSPP Sets of the polarity of
the horizontal sync
pulse.
HSPW Sets the horizontal
sync pulse width of the
video timing in pixels.
December 1, 2014
Syntax Parameters
FRAT? Not Applicable
HDCP? <frames> Number of frames:
Where frames is number of
frames rounded to the
nearest 128 frames.
Results:
where results are:
0 = pass
1 = fail
HPAG? <hotplug> Where hotplug can be 0 (no
hot plug detected) or 1 (hot
plug deteted)
HRAT <rate> Where rate can be within the
range of:
HRAT?
1000Hz to 130000Hz
<rate>
HRES <pixels> Where pixels can be within
the range of:
HRES?
100 to 4000 pixels
< pixels >
HTOT <pixels> Where pixels can be within
the range of:
HTOT?
100 to 4000 pixels
< pixels >
HSPP <polarity> Where polarity can be within
the range of:
HSPP?
0 = high to low transition
<polarity>
1 = low to high transition
HSPW <pixels> Where pixels can be within
the range of:
HSPW?
1 to HTOT-HRES-HSPD
< pixels >
Page 198
Command Example
To read the frame rate of the
outgoing HDMI signal:
FRAT?
+60.000E+00
To run an HDCP authentication
test on an HDMI sink device or
repeater device:
To run an HDCP test for 128
frames: (pass reported)
HDCP? 255
To run an HDCP test for 256
frames:
HDCP? 257
0
To run an HDCP test for 512
frames (with a failure reported):
HDCP?
1
To check for hot plug on the
HDMI Out port:
HPAG?
To set the horizontal rate to
15000Hz:
HRAT 15000
ALLU or FMTU
To set the horizontal resolution
to 1282 pixels:
HRES 1282
ALLU
To set the horizontal total to
1376 pixels:
HTOT 1376
ALLU or FMTU
To set the horizontal sync
pulse polarity to low to high
transition:
HSPP 1
ALLU or FMTU
To set the horizontal sync
pulse width to 32 pixels:
HSPW 32
ALLU or FMTU
Revision A7