7. LW3 Programmers’ Reference
MMX4x2 series – User's Manual
100
Applied firmware package: v1.6.0b19 | LDC software: v2.5.13b5
7.7.19.
Analog Audio Output Level Settings by Steps
7.7.19.1.
Setting the Volume (dB)
Command and Response
#analogaudio #volume
ç
CALL·/MEDIA/AUDIO/O3:stepVolumedB(
<step>
)
æ
m0·/MEDIA/AUDIO/O3:stepVolumedB
Parameters
The volume is increased or decreased with the given
<step>
value in dB.
Example
ç
CALL /MEDIA/AUDIO/O3:stepVolumedB(-1)
æ
m0 /MEDIA/AUDIO/O3:stepVolumedB
The volume is decreased with 1 dB, the current volume is -1.95 dB, which means 77.84% in percent.
7.7.19.2.
Setting the Volume (Percentage)
Command and Response
ç
CALL·/MEDIA/AUDIO/O3:stepVolumePercent(
<step>
)
æ
m0·/MEDIA/AUDIO/O3:stepVolumePercent
Parameters
The volume is increased or decreased by the given
<step>
value in percent.
Example
ç
CALL /MEDIA/AUDIO/O3:stepVolumePercent(5)
æ
m0 /MEDIA/AUDIO/O3:stepVolumePercent
The volume is increased with 5%, the current volume is -1.52 dB, which means 82.84% in percent.
7.8.
Audio Port Settings for Firmware v1.1.0
ATTENTION!
The audio port setting commands depend on the installed firmware version of the device.
If your device is installed with firmware v1.2.0, see the
Audio Port Settings from Firmware v1.2.0
section.
The following LW3 commands are related to firmware v1.1.0. To query the firmware version of your device,
see the
section. You can find the complete list of the changes in the
Command Changes in Firmware v1.2.0
section.
INFO:
Audio port numbering can be found in the
7.8.1.
Setting the Audio Source of HDMI Output 1
The HDMI out 1 port can transmit the original embedded audio line or the analog audio from the analog
audio input line.
Command and Response
ç
SET·/SYS/MB/LEGACYAUDIOXP.EmbedAudioInputToHdmiOut1=
<embed_audio>
æ
pw·/SYS/MB/LEGACYAUDIOXP.EmbedAudioInputToHdmiOut1=
<embed_audio>
Parameters
Parameter
Parameter description
Value
Value description
<embed_audio>
Audio source of HDMI
out 1 (O1)
true
Analog audio line from input port I5 is embedded to O1
false
Original embedded HDMI audio is transmitted to O1
Example
ç
SET /SYS/MB/LEGACYAUDIOXP.EmbedAudioInputToHdmiOut1=false
æ
pw /SYS/MB/LEGACYAUDIOXP.EmbedAudioInputToHdmiOut1=false
HDMI out 1 transmits the original audio line of HDMI signal from the selected input port.