Chapter 4. RS-232 Commands

CEC Commands

Consumer Electronics Control (CEC) allows interconnected HDMI devices to communicate and respond to one remote control. The formula for CEC mode selection commands is as follows:

CEC Command + Output Command + Port Number + Control [Enter]

For example, to enable CEC function on output port 1, type the following:

cec o01 on [enter]

The following tables show the possible values and formats for the Control command:

CommandDescription

cec

CEC control

 

 

 

 

Output Command

Description

 

 

o

Output command

 

 

 

 

Port number

Description

 

 

yy

01-08 port

 

 

l1

Local HDMI output port

*All output ports (default)

Control

Description

 

 

off

Disable CEC (default)

 

 

on

Enable CEC

 

 

The following table shows the available command list:

Command

Output Port

Control

Enter

Description

 

 

 

 

 

cec

yy

off

[Enter]

CEC off for output port yy

 

l1

 

 

(default), local HDMI output

 

*

 

 

port, or all ports (yy: 01~08, *).

 

 

 

 

 

cec

yy

on

[Enter]

CEC on for output port yy, local

 

l1

 

 

HDMI output port or all ports

 

*

 

 

(yy: 01~08, *).

 

 

 

 

 

Note: 1. Each command string can be separated with a space.

2.The Port Number command string can be skipped, and the default value will be used.

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