Transmission / Receiving Protocol - LG LX54 SERIES Installation Manual

16. Auto
Configura- j
tion
17. Equal-
j
ize
18. Tune
m
Command
19. Pro-
gramme m
Add/Skip
20. Key
m
21. Control
m
Back Light
22. Input
select x
(Main)
NOTE
• During USB operations such as DivX or EMF, all commands
except Power(ka) and Key(mc) are not executed and treated
as NG.
Transmission / Receiving
Protocol
Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
[Command 1] : First command to control the TV.(j, k, m or x)
[Command 2] : Second command to control the TV.
[Set ID] : You can adjust the set ID to choose desired monitor
ID number in option menu. Adjustment range is 1 to 99. When
selecting Set ID '0' , every connected set is controlled. Set ID is
indicated as decimal (1 to 99) on menu and as Hexa decimal (0x0
to 0x63) 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)'
OK Acknowledgement
u 01
[Command2][ ][Set ID][ ][OK][Data][x]
(See p.
* The set transmits ACK (acknowledgement) based on this format
v
52)
when receiving normal data. At this time, if the data is data
(See p.
read mode, it indicates present status data. If the data is data
a
52)
write mode, it returns the data of the PC computer.
b 00 to 01
Error Acknowledgement
(See p.
c
52)
[Command2][ ][Set ID][ ][NG][Data][x]
g 00 to 64
* The set transmits ACK (acknowledgement) based on this format
when receiving abnormal data from non-viable functions or
(See p.
b
communication errors.
53)
Data 00 : Illegal Code
01. Power (Command: k a)
► To control Power On/Off of the set.
Data 00 : Power Off
► To Show TV is Power On/Off.
* Similarly, if other functions transmit '0xFF' data
* OK Ack., Error Ack. and other message may
EXTERNAL CONTROL DEVICE SETUP
Transmission[k][a][ ][Set ID][ ][Data][Cr]
Ack [a][ ][Set ID][ ][OK/NG][Data][x]
Transmission [k][a][ ][Set ID][ ][FF][Cr]
Ack [a][ ][Set ID][ ][OK/NG][Data][x]
based on this format, Acknowledgement data
feed back presents status about each function.
display on the screen when TV is power On.
49
01 : Power On