Setting The Swing / Pre-Emphasis; Restart Link Training; Audio Output Port Settings; Audio Mode Setting - Lightware MX2-4x4-HDMI20-CA User Manual

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9. LW3 Programmers' Reference
9.10.5. Setting the Swing / pre-emphasis
Command and Response
Ý SET·/MEDIA/PORTS/VIDEO/<out>/SETTINGS.DpForcedLaneLevel=<voltage_level>;<preemph_level>;
Ü pw·/MEDIA/PORTS/VIDEO/<out>/SETTINGS.DpForcedLaneLevel=<voltage_level>;<preemph_level>;
Parameters
Identifier Parameter description
<voltage_level> Forced voltage level on main link
lanes. Valid for all lanes.
<preemph_level> Forced preemphasis level on main
link lanes. Valid for all lanes.
Example
Ý SET /MEDIA/PORTS/VIDEO/O8/SETTINGS.DpForcedLaneLevel=0;2;
Ü pw /MEDIA/PORTS/VIDEO/O8/SETTINGS.DpForcedLaneLevel=0;2;
For more details about the Forced link training see
9.10.6. Restart Link Training
This method is equal with pulling out and plug in again the DP connector.
Command and Response
Ý CALL·/MEDIA/PORTS/VIDEO/<out>/SETTINGS:dpLinkTrain()
Ü mO·/MEDIA/PORTS/VIDEO/<out>/SETTINGS:dpLinkTrain=
Example
Ý CALL /MEDIA/PORTS/VIDEO/O1/SETTINGS:dpLinkTrain()
Ü mO /MEDIA/PORTS/VIDEO/O1/SETTINGS:dpLinkTrain=
Parameter values
0: 400mV
1: 600mV
2: 800mV
0: 0 dB
1: 3.5 dB
2: 6 dB
General Tab - Displayport Link section.
Applied firmware package: v1.7.0 | LDC software: v2.5.1b5
MX2-HDMI20 series – User's Manual
9.11. Audio Output Port Settings
INFO: The current setting can be queried by using the
9.11.1. Audio Mode Setting
DIFFERENCE: Analog audio properties appears only in -A or -Audio suffixed models, where there is an analog
audio port beside the HDMI port.
Command and Response
SET·/MEDIA/PORTS/VIDEO/<out>/ANALOGAUDIO.AudioMode=<audio_mode>
Ý
pw·/MEDIA/PORTS/VIDEO/<out>/ANALOGAUDIO.AudioMode=<audio_mode>
Ü
Parameters
Identifier Parameter description
<audio_mode> The audio working
mode
Example
Ý SET /MEDIA/PORTS/VIDEO/O1/ANALOGAUDIO.AudioMode=HDMI
Ü pw /MEDIA/PORTS/VIDEO/O1/ANALOGAUDIO.AudioMode=HDMI
GET command in all cases.
#audio #analogaudio #volume #balance #mute #unmute
Parameter values
OFF: Audio is present neither in the HDMI stream nor on the
Analog Audio output port.
HDMI: Audio is present only in the HDMI stream.
ANALOG: Audio is present only on the Analog Audio output port.
HDMI+ANALOG: Audio is present in the HDMI stream and on the
Analog Audio output port.
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