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RS-232C Control
Use this method to connect several products to a single PC.
You can control several products at a time by connecting them to a single PC.
Connecting the cable
Connect the RS-232C cable as shown in the picture.
- The RS-232C protocol is used for communication between the PC and product. You can turn the product on/off, select an input source or
adjust the OSD menu from your PC.
PC
STB
Key
Transmission / Receiving Protocol
Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
* [Command 1]: First command.
* [Command 2]: Second command.
* [Set ID]:
You can adjust the set ID to choose desired product
ID number in Special menu. Adjustment range is 0 ~99
When selecting Set ID '0', every connected
TV set is controlled. Set ID is indicated as decimal
(0~99) on menu and as Hexa decimal (0x0~0x64)
on transmission/receiving protocol.
* [DATA]:
To transmit command data.
Transmit 'FF' data to read status of command.
* [Cr]:
Carriage Return
ASCII code '0x0D'
* [ ]:
ASCII code Space (0x20)'
RS-232C Cable
(not included)
COMMAND1
COMMAND2
M
Communication Parameter
Baud Rate : 9600bps (UART)
Data Length : 8bits
Parity Bit : None
Stop Bit : 1bit
Flow Control : None
Communication Code : ASCII code
DATA(Hexa)
C
Key Code
OK Acknowledgement
[Command2][ ][Set ID][ ][OK][Data][x]
* The Product transmits ACK (acknowledgement) based on
this format when receiving normal data. At this time, if
the data is data read mode, it indicates present status
data. If the data is data write mode, it returns the data
of the PC computer.
Error Acknowledgement
[Command2][ ][Set ID][ ][NG][Data][x]
* The Product transmits ACK (acknowledgement) based on
this format when receiving abnormal data from
non-viable functions or communication errors.
Data 1 :
2
:
3
:
Illegal Code
Not supported function
Wait more time
P A G E 6 5
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Troubleshooting
