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公信会议系统用户手册
User Manual for Conference Systems
Page 24
Audio control character
{
Device query command
character
?
Video control character
[
Device ID wildcard
character
*
注:
VGA
、
RGB
、
VIDEO
、
DVI
、
SDI
等图像信号控制符都为
“[”
。
Note: The control character of image signals such as VGA, RGB, VIDEO, DVI, and SDI is “[”.
②控制命令格式:
Format of control commands:
[
通道切换命令
]
[Channel switch command]
功能:对指定的矩阵进行通道切换。
Function: To perform channel switch for a specified matrix.
命令格式:
“
设备号
”+“
输出端口号
”+“
控制符
”+“
输入端口号
”+“
!
”
Command format: “Device ID” + “Output port number” + “Control character” + “Input port number” + “!”
参数说明:
“
设备号
”
是一个字符位,指要被控制切换的矩阵设备编号;
“
输出端口号
”
由二位数字组成,
端口
>99
路时用三位数字
组成,表示要切换的矩阵输出端口号;
“
控制符
”
一个字
符位,即同异控制符;
“
输入端口号
”
由二位数字组成,
端口
>99
路时用三位数字组成,表示要切换的矩阵输入端口号;
“
!
”
为命令结束符;
Parameter description: “Device ID” occupies one character and it indicates the number of the matrix device
to be controlled. “Output port number” consists of 2 digits (or 3 digits if the port number is larger than 99), and it
indicates the number of the output port to be switched from. “Control character” occupies one character
(synchronous or asynchronous control character). “Input port number” consists of 2 digits (or 3 digits if the port
number is larger than 99), and it indicates the number of the input port to be switched to. “!” indicates the
command end character.
返回信息:无。
Returned information: none
例子:设备号为
A
的
AV
矩阵
,
以音视频联动控制方式
,
将第
3
路输入
信号切换到第
1
路输出命令:
A01<03!
Example: For an AV matrix whose device ID is “A”, audio and video are controlled simultaneously. To
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