LG Flatron M2794a Owners Manual

							60
APPENDIX
IR CODES
AConfiguration of frame 
1st frame
Repeat frame
ALead code
ARepeat code
AB Bi
it
t 
 d
de
es
sc
cr
ri
ip
pt
ti
io
on
n
AF
Fr
ra
am
me
e 
 i
in
nt
te
er
rv
va
al
l:
: 
 T
Tf
f 
 
The waveform is transmitted as long as a key is depressed.
C0C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
 Lead code Low custom code High custom code Data code  Data code 
Repeat  code
Tf
4.5 ms 9 ms 
2.25 ms  9 ms 0.55 ms 
0.56 ms
1.12 ms0.56 ms
2.24 ms
TfTf
Tf=108ms @455KHz
Bit ”0”  Bit ”1”
1. How to Connect
AConnect your wired remote control to the Remote Control port on the set. 
2. Remote Control IR Codes
AOutput waveform 
Single pulse, modulated with 37.917KHz signal at 455KHz   
T1
TcCarrier frequency
FCAR = 1/TC = fOSC/12
Duty ratio = T1/TC = 1/3
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APPENDIX
Code
Function Note(Hexa)Code
Function Note(Hexa)
79ARCR/C Button
0B INPUT R/C Button
08 POWER R/C Button (Power On/Off)
43 MENU R/C Button
28 RETURN R/C Button
03
VOL FR/C Button
02
VOL GR/C Button
00
PR DR/C Button
01
PR ER/C Button
44 OK
(   )R/C Button
72 RED R/C Button
71 GREEN R/C Button
63 YELLOW R/C Button
61 BLUE R/C Button
0F
TV/PCR/C Button
60 PIP R/C Button09 MUTE R/C Button
53 LIST R/C Button
10  ~ 19Number Key 0 ~9 R/C Button
1A Q.VIEW R/C Button
20 TEXT R/C Button
26 TIME R/C Button
64 SIZE R/C Button
62 UPDATE R/C Button
70 INDEX R/C Button
65 HOLD R/C Button
2A REVEAL R/C  Button
24 MIXR/C Button
22 MODER/C Button
0A I/II R/C Button
0E SLEEPR/C Button
1E FAV R/C Button
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							62
APPENDIX
EXTERNAL CONTROL THROUGH RS-232C
RS-232C Setup
Connect the RS-232C input jack to an external control device (such as a computer or an A/V control
system) and control the set’s functions externally.
Connect the serial port of the control device to the RS-232C jack on the set back panel.RS-232C
connection cables are not supplied with the set.
RS-232C IN
(CONTROL)
HDMI IN HDMI DVI IN 
Type of Connector; D-Sub 9-Pin Male
HDMI IN HDMI DVI IN 
No.  Pin Name
1  No connection
2 RXD (
Receive data)
3 TXD (
Transmit data)
4 DTR (
DTE side ready)
5 GND
6 DSR (
DCE side ready)
7 RTS (
Ready to send)
8 CTS (
Clear to send)
9 No Connection
9 9
15
6
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							63
APPENDIX
RS-232C Configurations
7-Wire Configurations (
Standard RS-232C cable)
PC SET
RXD  2 3 TXD
TXD 3 2 RXD
GND 5 5 GND
DTR 4 6 DSR
DSR 6 4 DTR
RTS 7 8 CTS
CTS 8 7 RTS
D-Sub 9 D-Sub 93-Wire Configurations(
Not standard)
PC SET
RXD  2 3 TXD
TXD 3 2 RXD
GND 5 5 GND
DTR 4 6 DTR
DSR 6 4 DSR
RT S 7 7 RT S
CTS 8 8 CTS
D-Sub 9 D-Sub 9
Communication Parameters
ABaud rate : 9600 bps (
UART)
AData length : 8 bits
AParity : None
AStop bit : 1 bit
ACommunication code : ASCII code
AUse a crossed (reverse) cable.
Set ID
Press the M ME
EN
NU
U
button and then useD D 
 /
/ 
 E
Ebutton to select the
O Op
pt
ti
io
on
n
menu.
Press the 
Gbutton and then useD D 
 /
/ 
 E
Ebutton to select S Se
et
t 
 I
ID
D
.
Press the 
Gbutton and then useF / /G button to adjust S Se
et
t 
 I
ID
D
to choose the desired Set ID number. 
• The adjustment range of SET ID is 1~99.
- Use this function to specify a set ID number.
- Refer to ‘Real Data Mapping 1’. See page 67.
1
2
3
Option
G
DE F GO OK
KR
RE
ET
TU
UR
RN
N
Language
PIP
Key Lock
Set ID
DDC-CI
Power Indicator
Factory Reset1
Option
G
DE F GO OK
KR
RE
ET
TU
UR
RN
N
Language
PIP
Key Lock
Set ID
DDC-CI
RT C
Power Indicator
Factory Reset1


• Press the MENUbutton to close the menu window.
• Press the RETURN button to move to the previous menu screen.
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							64
APPENDIX
Command Reference List
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
2
14. Colour Temperature  k  u Refer to p.66
15. Red Adjustment  k  v 00 ~3C
16. Green Adjustment k  w 00 ~3C
17. Blue Adjustment k  $ 00 ~3C
18 .
Abnormal Statusk  z FF
19. Auto Configure j  u 01
20. Equalize j v Refer to p.67
21 .
Tune Commandm  a Refer to p.67
22. Channel Skip m b 00 ~ 01
23. Key m  c Key Code
24. Input select (Main) x b Refer to p.67
DATA
(Hexadecimal)
01. Power   k  a 00 ~01
02. Aspect Ratio  k  c Refer to p.65
03. Screen Mute  k  d 00 ~01
04. Volume Mute k  e 00 ~01
05. Volume Control k  f 00 ~64
06. Contrast k  g 00 ~64
07. Brightness  k  h 00 ~64
08. Colour  k  i 00 ~64
09. Tint  k  j 00 ~64
10. Sharpness  k  k 00 ~64
11. OSD Select  k  l 00 ~01
12 . Remote Control Lock  0 0  ~01
/Key Lock Mode
13. Balance k  t 00 ~64 k  m
Transmission / Receiving  Protocol
T Tr
ra
an
ns
sm
mi
is
ss
si
io
on
n
[Command 1] : First command to control the set.
(j,k,m or x)
[Command 2] : Second command to control the set.
[Set ID] : You can adjust the set ID to choose desired Set ID
number in Setup menu. Adjustment range is 1
~99.
When selecting Set ID ‘0’, every connected set is
controlled. Set ID is indicated as decimal (
1
~ 99)
on menu and as Hexa decimal (
0x0
~ 0x63)
on
transmission/receiving protocol.
[DATA] : To transmit command data.
Transmit ‘FF’ data to read status of comand.
[Cr] : Carriage Return
ASCII code ‘0x0D’
[   ] : ASCII code ‘space (0x20)’O OK
K 
 A
Ac
ck
kn
no
ow
wl
le
ed
dg
ge
em
me
en
nt
t
The set transmits ACK (acknowledgement) based on this for-
mat 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.
E Er
rr
ro
or
r 
 A
Ac
ck
kn
no
ow
wl
le
ed
dg
ge
em
me
en
nt
t
Set transmits ACK(acknowledgement) based on this format
when receiving abnormal data form non-viable functions or
communication errors.
[Command 2] : use as command.
[Set ID]: use the small character, if set ID is 10, set will send the ‘0’, ‘a’
[Data]: use the small character, if data is 0xab, set will send the ‘a’, ‘b’.
[NG]: use the large character.
[ [C
Co
om
mm
ma
an
nd
d1
1]
][
[C
Co
om
mm
ma
an
nd
d2
2]
][
[ 
  
 ]
][
[S
Se
et
t 
 I
ID
D]
][
[ 
  
 ]
][
[D
Da
at
ta
a]
][
[C
Cr
r]
][
[C
Co
om
mm
ma
an
nd
d2
2]
][
[ 
  
 ]
][
[S
Se
et
t 
 I
ID
D]
][
[ 
  
 ]
][
[O
OK
K]
][
[D
Da
at
ta
a]
][
[x
x]
]
[
[C
Co
om
mm
ma
an
nd
d2
2]
][
[ 
  
 ]
][
[S
Se
et
t 
 I
ID
D]
][
[ 
  
 ]
][
[N
NG
G]
][
[D
Da
at
ta
a]
][
[x
x]
]
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							65
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 TV.
Data 00 : Power Off Data 01 : Power On
Transmission [k][a][ ][Set ID][ ][Data][Cr]
Acknowledgement [a][ ][Set ID][ ][OK/NG][Data][x]
To show Power On/Off.
Transmission [k][a][ ][Set ID][ ][FF][Cr]
* If there is the time delay between command and
ack message during power on sequence, It should
be described like “Note: In this model, set will send
the Acknowledge after power on processing com-
pletion. There might be a time delay between com-
mand and acknowledge.”
Acknowledgement [a][ ][Set ID][ ][OK/NG][Data][x]
0
02
2.
. 
 A
As
sp
pe
ec
ct
t 
 R
Ra
at
ti
io
o 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 c
c)
) 
 (
(M
Ma
ai
in
n 
 p
pi
ic
ct
tu
ur
re
e 
 s
si
iz
ze
e)
)
To adjust the screen format. (Main picture format)
You can adjust the screen format using the Aspect
Ratio in the Picture menu.
Data 01: Normal screen (4:3)
Data 02: Wide screen (16:9)
Data 04: Zoom1
Data 05: Zoom2Data 06: Original
Data 07: 14:9
Data 09: Just Scan
Transmission [k][c][ ][Set ID][ ][Data][Cr]
Acknowledgement [c][ ][Set ID][ ][OK/NG][Data][x]
* Using the RGB-PC, Component or HDMI input, you
select either 16:9 or 4:3 screen aspect ratio.
* Just Scan works in the following mode: 
Component (720p/1080i/1080p), 
HDMI (720p/1080i/1080p) 
0 03
3.
.S
Sc
cr
re
ee
en
n 
 M
Mu
ut
te
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 d
d)
)
To select screen mute on/off.
Data 00 :  Screen mute off (Picture on)
Data 01 :  Screen mute on (Picture off)
Transmission [k][d][ ][Set ID][ ][Data][Cr]
Acknowledgement [d][ ][Set ID][ ][OK/NG][Data][x]
0
04
4.
. 
 V
Vo
ol
lu
um
me
e 
 M
Mu
ut
te
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 e
e)
)
To control volume mute on/off.
You can also adjust mute using the MUTE button on 
remote control.
Data 00 :  Volume mute on (Volume off)
Data 01 :  Volume mute off (Volume on)
Transmission [k][e][ ][Set ID][ ][Data][Cr]
Acknowledgement[e][ ][Set ID][ ][OK/NG][Data][x]
0
05
5.
.V
Vo
ol
lu
um
me
e 
 C
Co
on
nt
tr
ro
ol
l 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 f
f)
)
To adjust volume.
You can also adjust volume with the volume buttons
on remote control.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][f][ ][Set ID][ ][Data][Cr]
Acknowledgement [f][  ][Set ID][  ][OK/NG][Data][x]
0
06
6.
. 
 C
Co
on
nt
tr
ra
as
st
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 g
g)
)
To adjust screen contrast. 
You can also adjust contrast in the Picture menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][g][ ][Set ID][ ][Data][Cr]
Acknowledgement [g][ ][Set ID][ ][OK][Data][x]
0
07
7.
.B
Br
ri
ig
gh
ht
tn
ne
es
ss
s 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 h
h)
)
To adjust screen brightness.
You can also adjust brightness in the Picture menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][h][ ][Set ID][ ][Data][Cr]
Acknowledgement [h][ ][Set ID][ ][OK/NG][Data][x]
0
08
8.
. 
 C
Co
ol
lo
ou
ur
r 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 i
i)
)
To adjust the screen colour.
You can also adjust colour in the Picture menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][i][ ][Set ID][ ][Data][Cr]
Acknowledgement [i][ ][Set ID][ ][OK/NG][Data][x]
0
09
9.
. 
 T
Ti
in
nt
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 j
j)
)
To adjust the screen tint.
You can also adjust tint in the Picture menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][j][ ][Set ID][ ][Data][Cr]
Acknowledgement [j][ ][Set ID][ ][OK/NG][Data][x]
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1 18
8.
. 
 A
Ab
bn
no
or
rm
ma
al
l 
 S
St
ta
at
te
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 z
z)
)
To recognize an abnormal state.
Data FF: Read
Data 00: Normal (Power on and signal exist)
Data 01: No signal (Power on)
Data 02: Turn the set off by remote control
Data 03: Turn the set off by sleep time function
Data 04: Turn the set off by RS-232C function
* This function is “read only”
Transmission[k][z][ ][Set ID][ ][FF][ ][Cr]
Acknowledgement[z][ ][Set ID][ ][OK/NG][Data][x]
APPENDIX
1
11
1.
. 
 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 when 
controlling remotely.
Data 00: OSD off
Data 01: OSD on
Transmission[k][l][ ][Set ID][ ][Data][Cr]
Acknowledgement[l][ ][Set ID][ ][OK][Data][x]
1
12
2.
. 
 R
Re
em
mo
ot
te
e 
 C
Co
on
nt
tr
ro
ol
l 
 L
Lo
oc
ck
k/
/K
Ke
ey
y 
 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 side key
controls on the set.
Data 00: Lock off Data 01: Lock on
Transmission[k][m][ ][Set ID][ ][Data][Cr]
Acknowledgement[m][ ][Set ID][ ][OK/NG][Data][x]
1
13
3.
. 
 B
Ba
al
la
an
nc
ce
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 t
t)
)
To adjust balance.
You can also adjust balance in the Audio menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][t][ ][Set ID][ ][Data][Cr]
Acknowledgement[t][ ][Set ID][ ][OK/NG][Data][x]
1
10
0.
. 
 S
Sh
ha
ar
rp
pn
ne
es
ss
s 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 k
k)
)
To adjust the screen sharpness.
You can also adjust sharpness in the Picture menu.
Data Min : 00 ~Max : 64
Refer to ‘Real data mapping 1 ’. See page 67.
Transmission[k][k][ ][Set ID][ ][Data][Cr]
Acknowledgement[k][ ][Set ID][ ][OK/NG][Data][x]
1
14
4.
. 
 C
Co
ol
lo
ou
ur
r 
 T
Te
em
mp
pe
er
ra
at
tu
ur
re
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 u
u)
)
To adjust colour temperature.
You can also adjust Colour Temperature in the Picture
menu.
Data 00: Medium  01: Cool  02: Warm(Don’t operate in RGB, DVI mode)
Data 05: 9300K  06: 6500K  07: sRGB(Operate in RGB, DVI mode)
Transmission[k][u][ ][Set ID][ ][Data][Cr]
Acknowledgement[u][ ][Set ID][ ][OK/NG][Data][x]
1
15
5.
. 
 R
Re
ed
d 
 A
Ad
dj
ju
us
st
tm
me
en
nt
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 v
v)
)
To adjust red in colour temperature.
Data Min: 00 ~Max: 3C 
Refer to ‘Real data mapping 2’. See page 67.
Transmission[k][v][ ][Set ID][ ][Data][Cr]
Acknowledgement[v][ ][Set ID][ ][OK/NG][Data][x]
1
16
6.
.G
Gr
re
ee
en
n 
 A
Ad
dj
ju
us
st
tm
me
en
nt
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 w
w)
)
To adjust green in colour temperature.
Data Min: 00 ~Max: 3C
Refer to ‘Real data mapping 2’. See page 67.
Transmission[k][w][ ][Set ID][ ][Data][Cr]
Acknowledgement[w][ ][Set ID][ ][OK/NG][Data][x]
1
17
7.
.B
Bl
lu
ue
e 
 A
Ad
dj
ju
us
st
tm
me
en
nt
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 k
k 
 $
$)
)
To adjust blue in colour temperature.
Data Min: 00 ~Max: 3C
Refer to ‘Real data mapping 2’. See page 67.
Transmission[k][$][ ][Set ID][ ][Data][Cr]
Acknowledgement[$][ ][Set ID][ ][OK/NG][Data][x]
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							67
APPENDIX
1 19
9 
 .
. 
 A
Au
ut
to
o 
 C
Co
on
nf
fi
ig
gu
ur
re
e 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 j
j 
 u
u)
)
To adjust picture position and minimize image 
shaking automatically. It works only in RGB (PC) 
mode.
Data 01: To set
Transmission[j][u][ ][Set ID][ ][Data][Cr]
Acknowledgement[u][ ][Set ID][ ][OK/NG][Data][x]
*
* 
 R Re
ea
al
l 
 d
da
at
ta
a 
 m
ma
ap
pp
pi
in
ng
g 
 1
1
00 : Step 0
32 : Step 50 
64 : Step 100 * * 
 R Re
ea
al
l 
 d
da
at
ta
a 
 m
ma
ap
pp
pi
in
ng
g 
 2
2
00 : -30
1E : 0 
3C : +30 
2 20
0.
. 
 E
Eq
qu
ua
al
li
iz
ze
e(
(C
Co
om
mm
ma
an
nd
d:
: 
 j
jv
v)
)
GTo adjust equalize.
MSB LSB
0
Transmission [j][v][  ][Set ID][  ][Data][Cr]
0000000
Data
Acknowledgement[v][  ][Set ID][ ][OK/NG][Data][x]
Frequency
1’st BandRemark
2’nd Band
3’rd Band
4’th Band
5’th Band
765
000
001
010
011
1004Hex
0
0
0
0
00
2
4
6
8
Data
Step
321
000
000
001
...
... ... ...
...
1110
0
1
0
10
1
2
F
MSB LSB
0
0000000
External InputInput Number
2 23
3.
. 
 K
Ke
ey
y 
 C
Co
od
de
e(
(C
Co
om
mm
ma
an
nd
d:
: 
 m
m 
 c
c)
)
To send IR remote key code.
Data: Key code - Refer to page 61.
Transmission[m][c][ ][Set ID][ ][Data][Cr]
Acknowledgement[c][ ][Set ID][ ][OK/NG][Data][x]
Acknowledgement[b][ ][Set ID][ ][OK/NG][Data][x]
2
24
4.
. 
 I
In
np
pu
ut
t 
 s
se
el
le
ec
ct
t 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 x
x 
 b
b)
)
( (M
Ma
ai
in
n 
 P
Pi
ic
ct
tu
ur
re
e 
 I
In
np
pu
ut
t)
)
To select input source for set
Data: Structure
Transmission[x][b][ ][Set ID][ ][Data][Cr]
2
22
2.
. 
 C
Ch
ha
an
nn
ne
el
l 
 S
Sk
ki
ip
p(
(C
Co
om
mm
ma
an
nd
d:
: 
 m
m 
 b
b)
)
GTo set skip status for the current Programme.
Data 00 : Skip            01 : Add
Transmission [m][b][  ][Set ID][  ][Data][Cr]
Acknowledgement[b][  ][Set ID][  ][OK/NG][Data][x]
2
21
1 
 .
. 
 T
Tu
un
ne
e 
 C
Co
om
mm
ma
an
nd
d 
 /
/ 
 C
Ch
ha
an
nn
ne
el
l 
 T
Tu
un
ni
in
ng
g 
 (
(C
Co
om
mm
ma
an
nd
d:
: 
 m
m 
 a
a)
)
Tune Channel to following Physical number.
Data00  Min: 00 ~Max: 63 (Max : C8 in China area)
(*transmit by Hexadecimal code)
Data01  don’t care
Data02  0 ; Main
1 : Sub  
Transmission[m][a][ ][Set ID][ ][Data0][ ][Data1]   
[ ][Data2][Cr]
Acknowledgement[a][ ][Set ID][OK][ ][Data0][Data1][x]
[a][ ][Set ID][
NG][ ][Data0][x]
Input
TV
AV
Component
RGB-PC
DV I
HDMI1
HDMI2[x][b][ ][Set ID][ ][10][Cr]
[x][b][ ][Set ID][ ][20][Cr]
[x][b][ ][Set ID][ ][40][Cr]
[x][b][ ][Set ID][ ][60][Cr]
[x][b][ ][Set ID][ ][80][Cr]
[x][b][ ][Set ID][ ][90][Cr]
[x][b][ ][Set ID][ ][91][Cr]
command
Frequency
“ownloadedlfroml:anual:onitor-coml:anuals 
						

							“ownloadedlfroml:anual:onitor-coml:anuals