Panasonic TH-55LFV5W - SERIAL Terminals Connection; RS-232 C Interface for Computer Control

17
SERIAL Terminals Connection
The SERIAL terminal is used when this Display is controlled by
a computer.
Display No.1
[RS-232C]
NOTES:
 Use the RS-232C cross cable to connect the computer to
this Display.
 The computer shown is for example purposes only.
 Additional equipment and cables shown are not supplied
with this set.
Signal names for SERIAL IN terminal:
6 7 8 9
1 3 4 5 2
Pin No. Signal Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7RTS
8 CTS
9RI

The SERIAL terminal conforms to the RS-232C interface

computer which is connected to this terminal.
The computer will require software which allows the sending

given below. Use a computer application such as programming
language software. Refer to the documentation for the computer
application for details.
Communication parameters:
Signal level RS-232C compliant
Synchronization method Asynchronous
Baud rate 9600 bps
Parity None
Character length 8 bits
Stop bit 1 bit
Flow control -
Basic format for control data:
The transmission of control data from the computer starts with Header byte, followed by the command, the parameters, and
lastly byte of checksum in that order. If there are no parameters, then the parameter signal does not need to be sent.
Header MonitorID Category Code0 Code1 Length Control Data[0] Data[1] ~ Data[N] Checksum
0xA6 0~26 0x00 0x00 0x00 N+3 0x01
Command Parameter The total from Header to Data[N] calculated by XOR
NOTES:
 
sending the next command.
 If an incorrect command is sent by mistake, this unit will send an “ERROR” command back to the computer.
Command:
Command Parameter Control Details
0x19 None Get Power State
0x18 0x01 POWER OFF
0x18 0x02 POWER ON
0x45 None Get Volume
0x44 0~100 Set Volume
0xAC 0x01, 0x00, 0x00, 0x00 Change source to VIDEO
0xAC 0x03, 0x00, 0x00, 0x00 Change source to DVD/HD
0xAC 0x09, 0x01, 0x00, 0x00 Change source to DVI
0xAC 0x09, 0x00, 0x00, 0x00 Change source to HDMI
0xAC 0x05, 0x00, 0x00, 0x00 Change source to PC
0x3B None Get picture format
0x3A 0x00 Change picture format to Normal
0x3A 0x01 Change picture format to Custom
0x3A 0x02 Change picture format to Real
0x3A 0x03 Change picture format to Full