4K HDMI Switcher 4x1
PTN Electronics Limited 8 www.PTN-electronics.com
4.3.3 RS232 Communication Commands
Baud rate: 9600; Data bit: 8; Stop bit: 1; Parity bit: none.
Command
Function
Feedback Example
[x]B1.
Switch audio and video signal of input
x synchronously, x=1~4
AV: x -> 1
0B0.
Switch off output
Mute On
0B2.
Switch on output
Mute Off
600%
Inquire operation status, including I/O
connection, switch mode, and ACR
mode
AV: x -> 1
Manual/ Auto Switch
Switch Device System/
Switch Device System
601%
Activate auto switch mode to detect all
input signals with priority from INPUT
1 to INPUT 4 and transfer the first
available signal to the output device.
Auto Switch
602%
Activate manual switch
Manual Switch
EDIDUpgrade
[x].
Upgrade EDID data via serial port, x
stands for the serial number of the
DIP switcher status
x=1~5, correspond to embedded
EDID 1~5 separately
x=6~15, correspond to the 10 custom
EDID
EDID Upgrade OK!
ARC [x]&
Switch on/off ARC audio output
x=1, switch on ARC audio output
x=2, switch off ARC audio output
Audio Return System (x=1)
Switch Device System (x=2)
Note:
1. In above commands, “[”and “]” are symbols for easy reading and do not need to be
typed in actual operation.
2. Type in the complete commands including ending symbol “.”.
3. Load the desired EDID file to the RS232 control software after sending command
EDIDUpgrade[x].
, it will show “EDIDUpgrade OK!” after the upgrade is completed.
