Cec Tool - Lightware MMX4x2-HDMI User Manual

   
5. Software Control - Lightware Device Controller
5.6. CEC Tool
The device is able to send and receive Consumer Electronic Control (CEC) commands. This feature is for
remote control the source or sink device. CEC is a bi-directional communication via the HDMI cable.
#cec
6
MMX4x2 series – User's Manual
1
2
3
1
4
2
3
4
5
6
5
It can occur that the third-party device can receive, but not execute the command because it is not supported
by the product. Check the accepted commands in the documentation of the device.

INFO:
address. In this case that is always 40.

ATTENTION!
Applied firmware package: v1.5.0b8 | LDC software: v2.3.0b1
Drop-down Containing the basic CEC commands, most of them are displayed on the
command list graphical interface, too (on the left side). Click on the Send button to execute
sending the command.
Custom command The text field is for sending hexadecimal commands to the source. The
textbox maximum allowed length is 30 characters (15 bytes). Click on the Send button
to execute sending the command.
OSD string textbox Unique text can be shown on the sink device up to 14 characters. The send
OSD (On-screen display) command textbox is the input field of the string.
Alphanumeric characters, glyphs and space are accepted. Click on the Send
button to execute the command.
Received Command Displays all the sent (in red) CEC commands and the received answers (in
box blue) with a timestamp.
Legend of the received message:
< [10:33:17] ACK
Answer for the acknowledged command.
< [10:35:01] NACK
Answer for the not acknowledged command.
< [10:33:17] IN PROGRESS
The command is being processed.
< [10:33:17] FAILED
Answer for other failure.
< [10:35:40] feature_abort_<*>
This is the most common answer from the third-party devices when the
command is delivered, but the execution is refused. The cause of the refuse
stands after 'feature_abort' expression.
Clear button Click on the Clear button to erase the content of the terminal window.
CEC command This panel provides the quick and easy management of CEC commands.
button panel These buttons are pre-programmed with basic functions and sends
commands towards the sink. The communication is displayed in the
Received Command box. For the list of the commands see the
CEC Commands section. Both the layout and functionality are similar to the
design of a remote control.
The first 2x2 bit of the CEC commands contains identification data of the source and destination
Make sure that the controlled unit is CEC-capable and this function is enabled.
42
Sending