4x4 HDMI 2.0 Matrix with Audio Matrix/ Downscaling/ AOC Supported
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Set the parameters (baud rate, data bit, stop bit and parity bit) correctly to ensure
reliable RS232 control.
9.3 RS232 Communication Commands
&
l
Case-sensitive.
l
“[“, “]” in the commands are for easy recognition only and not necessary in real
operations. Other symbols including “.”, “,”, “/”, “%”, “;”, “^”. are parts of the
commands.
l
Feedbacks listed in the column “Feedback Example” are only for reference,
feedbacks may vary according to different operations.
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
9.3.1 System Commands
Command
Function
Feedback Example
PowerON.
Power on
Power ON!
PowerOFF.
Power off
Power OFF!
/*Name.
Query the name of matrix
MUH44-H2
/*Type.
Query the model of matrix
HDMI Matrix
/^Version.
Query the version of firmware
V1.0.0
CPLD:V1.0.0
RST.
Factory Default!
Factory Default!
9.3.2 Control Management
Command
Function
Feedback Example
DS[xx]ON.
Able output devices down-scaling
function.
[xx]=00~02,
xx =01~02 is the corresponding number
of output 3 or 4 port, if the xx =00, it
HDMI OUT xx Down
Scale ON!
