LG 42PJ550 User Manual

118
APPENDIX
APPENDIX
01. Power k a 00 to 01
02. Aspect Ratio k c Refer to p. 119
03. Screen Mute k d 00 to 01
04. Volume Mute k e 00 to 01
05. Volume Control k f 00 to 64
06. Contrast k g 00 to 64
07. Brightness k h 00 to 64
08. Colour k i 00 to 64
09. Tint k j 00 to 64
10. Sharpness k k 00 to 64
11. OSD Select k l 00 to 01
12.
Remote control lock mode k m 00 to 01
13. Treble k r 00 to 64
14.
Bass k s 00 to 64
15. Balance k t 00 to 64
16.
Colour Temperature x u 00 to 64
17. ISM Method j p Refer to p. 121
18. Energy Saving j q 00 to 10
19. Auto Configuration j u 01
20. Tune Command m a Refer to p. 121
21. Programme Add/Skip m b 00 to 01
22. Key m c Key C ode
23. Input select (Main) x b Refer to p. 122
Communication Parameters
A
Baud rate : 9600 bps
(
UART
)
A
Data length : 8 bits
A
Parity : None
A
Stop bit : 1 bit
A
Communication code : ASCII code
A
Use a crossed (reverse) cable.
Transmission
*
[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 connect-
ed set is controlled.
Set ID is indicated as decimal (1 to 99)
on menu and as Hexa decimal (0x0 to
0x63) on transmission/receiving proto-
col.
*
[DATA] : To transmit command data.
Transmit ‘FF’ data to read status of com-
mand.
*
[Cr] : Carriage Return
ASCII code ‘0x0D’
*
[ ] : ASCII code ‘space (0x20)’
[Command1][Command2][ ][Set ID][ ][Data][Cr]
OK Acknowledgement
* The set 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.
[Command2][ ][Set ID][ ][OK][Data][x]
Error Acknowledgement
* The set transmits ACK (acknowledgement) based on
this format when receiving abnormal data from
non-viable functions or communication errors.
[Command2][ ][Set ID][ ][NG][Data][x]
Transmission / Receiving Protocol
Command Reference List
Data 00: Illegal Code
COMMAND
1
COMMAND
2
DATA
(Hexadecimal)
*
When setting the 17 to 23, a menu does not appear on
screen.
* Note : During USB operations such as Dvix or EMF, all com-
mands except Power(ka) and Key(mc) are not executed and
treated as NG.

LG 42PJ550 Specifications

General

Integrated clock	Yes
Number of AV connections	2
Mean time between failures (MTBF)	100000 h
RS-232 ports	1
HDMI ports quantity	3
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Product color	Black
LED indicators	Stand-by
Display diagonal	42 \
Display brightness	1500 cd/m²
Display resolution	1366 x 768 pixels
Display technology	LCD
Native aspect ratio	16:9
Contrast ratio (dynamic)	3000000:1
RMS rated power	20 W

Weight and Dimensions

Depth (with stand)	309.7 mm
Width (with stand)	1171.4 mm
Height (with stand)	786.2 mm
Weight (with stand)	31000 g
Depth (without stand)	55.3 mm
Height (without stand)	724.4 mm
Weight (without stand)	28600 g