9. LW3 Programmers’ Reference
MX2-HDMI20 series – User's Manual
86
Applied firmware package: v1.7.0 | LDC software: v2.5.1b5
9.6.5.
Setting the Conversion Mode
INFO: DisplayPort signals over 18Gbps will be converted down by either truncating bit depth or by
converting RGB signal to YCbCr 4:2:2 12-bit signal based on user selection. The second option will not
reduce the color depth rather, it results in loss of chroma information.
Command and Response
#colorspace
Ý
SET·/MEDIA/PORTS/VIDEO/
<in>
/SETTINGS.Conversion=
<conversion_mode>
Ü
pw·/MEDIA/PORTS/VIDEO/
<in>
/SETTINGS.Conversion=
<conversion_mode>
Parameters
Identifier
Parameter description
Parameter values
<conv_mode>
Conversion mode
OFF:
The video signal is transmitted without any changing.
422:
The video converter subsamples the 4:4:4 signal to 4:2:2.
420:
The video converter subsamples the 4:4:4 signal to 4:2:0.
Example
Ý
SET /MEDIA/PORTS/VIDEO/I1/SETTINGS.Conversion=OFF
Ü
pw /MEDIA/PORTS/VIDEO/I1/SETTINGS.Conversion=OFF
9.6.6.
Restart Link Training
This method is equal with pulling out and plug in again the DP connector.
Command and Response
#linktraining
Ý
CALL·/MEDIA/PORTS/VIDEO/
<in>
/SETTINGS:dpLinkTrain()
Ü
mO·/MEDIA/PORTS/VIDEO/
<in>
/SETTINGS:dpLinkTrain=
Example
Ý
CALL /MEDIA/PORTS/VIDEO/I1/SETTINGS:dpLinkTrain()
Ü
mO /MEDIA/PORTS/VIDEO/I1/SETTINGS:dpLinkTrain=
9.7.
Audio Input Port Settings
The current setting can be queried by using the
in all cases.
DIFFERENCE:
Audio settings are available when there is an analog audio port beside the chosen video
port.
-A
or
-Audio
suffix in the model name refers to the analog audio feature (see the
table about the analog audio availability).
9.7.1.
Audio Mode Setting
Command and Response #audio
#analogaudio #volume #balance #gain #mute #unmute
Ý
SET·/MEDIA/PORTS/VIDEO/
<in>
/ANALOGAUDIO.AudioMode=
<audio_mode>
Ü
pw·/MEDIA/PORTS/VIDEO/
<in>
/ANALOGAUDIO.AudioMode=
<audio_mode>
Parameters
Identifier
Parameter description
Parameter values
<audio_mode>
The current audio mode
OFF:
no audio in the video stream.
HDMI:
the original audio is embedded in the video stream
ANALOG:
the analog audio of the input port is embedded in the
video stream.
Example
Ý
SET /MEDIA/PORTS/VIDEO/I1/ANALOGAUDIO.AudioMode=ANALOG
Ü
pw /MEDIA/PORTS/VIDEO/I1/ANALOGAUDIO.AudioMode=ANALOG
INFO: In case of
-Audio
suffixed models, modifying the /MEDIA/PORTS/VIDEO/
<in>
/ANALOGAUDIO.
AudioMode=
<audio_mode>
property will change the
/MEDIA/PORTS/VIDEO/
<in>
/EMBEDDEDAUDIO.
AudioMode=
<audio_mode>
property.
9.7.2.
Analog Audio Input Level Settings
9.7.2.1.
Setting the Balance (the Exact Value)
Command and Response
Ý
SET·/MEDIA/PORTS/VIDEO/
<in>
/ANALOGAUDIO.Balance=
<bal_value>
Ü
pw·/MEDIA/PORTS/VIDEO/
<in>
/ANALOGAUDIO.Balance=
<bal_value>
Parameters
The
<bal_value>
can be set between -100 and 100 (0=center, +100=right, -100=left).
Example
Ý
SET /MEDIA/PORTS/VIDEO/I1/ANALOGAUDIO.Balance=50
Ü
pw /MEDIA/PORTS/VIDEO/I1/ANALOGAUDIO.Balance=50
