LG M237wd Owners Manual

80
APPENDIX
EXTERNAL CONTROL DEVICE SETUP
RS-232C Setup
Connect the RS-232 C (serial port) input jack to an
external control device (such as a computer or an A/V
control system) to control the product’s functions
externally.
Connect the serial port of the control device to the
RS-232 C jack on the product back panel.
Note: RS-232 C on this unit is intended to be used
with third party RS-232 C control hardware and soft-
ware. The instructions below are provided to help with
programming software or to test...

81
APPENDIX
Use this function to specify a set ID number. 
Refer to ‘Real Data Mapping’. 
p p.
.8
84
4
Set ID
Select OPTION.
2
Select Set ID.
3adjust S Se
et
t 
 I
ID
D
to choose the desired set ID number.
The adjustment range of SET ID is 1~99.
1
ENTER
ENTER
• Press the MENUbutton to close the menu window.
• Press the RETURN button to move to the previous menu screen.
Language : English
Input Label
Key Lock : Off
Caption : Off
Set ID : 1
Power Indicator : On
DDC-CI : On
Initial Setting : Home...

82
APPENDIX
Command Reference List
C CO
OM
MM
MA
AN
ND
D1
1C
CO
OM
MM
MA
AN
ND
D2
2
19. Channel Tuning
DATA
(Hexadecimal)C CO
OM
MM
MA
AN
ND
D1
1C
CO
OM
MM
MA
AN
ND
D2
2DATA
(Hexadecimal)
C CO
OM
MM
MA
AN
ND
D1
1C
CO
OM
MM
MA
AN
ND
D2
2DATA 0 0(Hexadecimal)DATA 01(Hexadecimal)DATA 02(Hexadecimal)DATA 03(Hexadecimal)DATA 04(Hexadecimal)DATA 05(Hexadecimal)
physical   major major low minor high minor low attribute
program high program low ma
01. Power   k  a 00 ~01
02. Input Select  x  b (
G Gp.83)
03....

83
APPENDIX
0 01
1.
.P
Po
ow
we
er
r 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 a
a)
)
To control Power On/Off of the set.
Transmission [k][a][  ][Set ID][  ][Data][Cr]
Data 00: Power Off Data 01: Power On
Acknowledgement [a][  ][Set ID][  ][OK/NG][Data][x]
* In a like manner, if other functions transmit ‘FF’ data
based on this format, Acknowledgement data feedback
presents status about each function.
* Note: In this model, set will send the Acknowledge
after power on processing completion.
There might be a...

84
APPENDIX
1 12
2.
. 
 O
OS
SD
D 
 S
Se
el
le
ec
ct
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 l
l)
)
To select OSD (On Screen Display) on/off.
Transmission[k][l][  ][Set ID][  ][Data][Cr]
Data 00: OSD off Data 01: OSD on
Acknowledgement[l][  ][Set ID][  ][OK/NG][Data][x]
1
13
3.
. 
 R
Re
em
mo
ot
te
e 
 C
Co
on
nt
tr
ro
ol
l 
 L
Lo
oc
ck
k 
 M
Mo
od
de
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 m
m)
)
To  lock  the  remote  control  and  the  front  panel  controls
on the set.
Transmission[k][m][  ][Set ID][...

85
APPENDIX
Data5:
The table above lists the binary code which must be
converted to Hexadecimal before sending. For example:
The binary code to tune the sub source to an NTSC
cable channel is “1000 0001”, which translates to “81”
in Hex.
* 7th bit : For which source do you want to change the
channel.
* 6th bit: Use a two part or one part channel. Most cases
just use 0 since it’s ignored when using NTSC.
* 5th bit: Use 0 with NTSC since it can only use the phys-
ical channel number. Normally use 1 for...