4. Device Concept MMX4x2 series – User's Manual 28
Consumer Electronics Control (CEC) Interface
DIFFERENCE:
MMX4x2 model is able to send and receive CEC commands, from the input ports towards the source, and
from outputs port towards the sink. For more information about sending CEC messages, see CEC Command
Sending section.
CEC Application Example
wake up.
Create an event in the event manager:
▪ Set a condition: signal is present on the input port (I1),
▪ Set an action: send a CEC command 'Image view' on the output port (O1).
See the details about the Event Manager settings in the The Event Manager Feature section.
Audio Interface
Audio Input Modes
The device can receive embedded audio signal on the HDMI inputs and analog audio signal over the analog
audio input port.
In case of the MMX4x2-HT200 model, embedded audio signal can be received on the TPS input port as well.
Audio Embedding
The matrix has a built-in audio embedder function, which means the audio signal that is received on the
analog audio input port is able to be embedded into the HDMI outputs.
Audio Output Modes
The MMX4x2 series matrix can transmit two types of audio:
▪ Embedded (HDMI) and
▪ Analog balanced stereo audio.
Audio De-embedding
The matrix has a built-in audio de-embedder, which means the device is able to de-embed audio from its
HDMI outputs to its analog audio output port.
ATTENTION! De-embedding function supports 2 channel PCM audio signals only. Other audio formats
are not supported, and de-embedding will not be successful.
Audio Options - Example
The Concept
analog and digital audio signals.
The following ways are available for the audio devices:
▪ HDTV, the audio source can be the Laptop, the PC, and the Media Player.
▪ Monitor with speakers, the audio source can be the Laptop, the PC, and the
Media player.
▪ Audio amplier, the audio source can be the Laptop, the PC or the Media
player.
INFO: Crosspoint Menu section.
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