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...

61
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...

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...

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)...

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...

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...

66
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...

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...

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