User’s Guide
M2900S
M3800S
Make sure to read the Safety Precautions before using the product.
Keep the User's Guide(CD) in an accessible place for future reference.
See the label attached on the product and give the information to your dealer when you ask
for service.
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Name and Function of the Parts
* The product image in the user’s guide could be different from the actual image.
Rear View
AC-IN
DVI IN
RGB IN
RS-32C IN
REMOTE
CONTROL IN
DVI, RGB Ports
RS-232C Serial Port
Wired Remote Control Port
Power Connector : Connect the power cord
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Connecting to External Devices
When Connecting to your PC
First of all, see if the computer, product and the peripherals are turned off.
Then, connect the signal input cable.
When connecting with the D-Sub signal input cable. (RGB)
A
RGB IN
PC
Rear side of the product.
When connecting with the DVI signal input cable.
DVI IN
B
PC
Rear side of the product.
Connect the power cord.
Rear side of the product.
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Connecting to External Devices
1
Turn on power by pressing the power button on the product.
SOURCE
ON/OFF
Zoom
Power button
Turn on the PC.
2
To change input source
Press the SOURCE button on the remote control to select the input signal.
Or, press the SOURCE button on the bottom of the product.
DVI signal
D-Sub signal
•
•
How to connect to two computers.
Note
Connect the signal cables (DVI and D-Sub) to each computer.
Press the SOURCE button on the remote control to select the computer to use.
Directly connect to a grounded power outlet or power strip (three prong connector.)
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Connecting to External Devices
VESA FDMI wall Mounting
This product supports a VESA FDMI compliant mounting interface. These mounts are purchaed
separately and not available from LG. Refer to the instructions included with hte mount for more info.
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User Menus
Screen Adjustment options
SOURCE
ON/OFF
Zoom
• Press this button to turn on the power. Press this button again to
turn it off.
Power Button
• This Indicator lights up green when the display operates normally(on
mode). If the display is in sleep (Energy Saving) mode, this indicator
color changes to amber.
Power Indicator
• Use this button to show/hide the OSD (On Screen Display) menu
screen.
MENU Button
• Use this button to select an icon or adjust the setting in the OSD screen.
OSD Select /
Adjust Button
OSD Menu Navigation up and down
: Zoom Hot key (Normal Zoom Full)
Zoom
: Select Menu Item, Decrement Value
: Select Menu Item, Increment Value
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User Menus
Screen Adjustment options
To change input source depending on connected signal.
SOURCE Button
Press the SOURCE button on the remote control to select the
input signal.
Or, press the SOURCE button on the bottom of the product.
DVI signal
Digital signal
D-Sub signal
15-pin D-Sub analog signal
IR Receiver
• This is where the unit receives signals from the remote control.
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User Menus
OSD Menu
Icon
Function Description
Adjusts screen brightness, contrast and color that you prefer.
Adjusts the screen size.
PICTURE
ZOOM
Adjusts the timer options.
Adjusts the OSD image.
TIMER
OSD
Note
OSD(On Screen Display)
The OSD function enables you to adjust the screen status conveniently since it provides
graphical presentation.
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User Menus
How to adjust the OSD (On Screen Display) screen
MENU
MENU
MENU
Pops up
the menu
screen
Move where
you want to
adjust
Move where
you want to
adjust
Save
Exit from the
adjustment menu screen.
Select a
menu icon
Select a
menu icon
Adjust the status
•
Use the remote control to adjust the OSD screen.
Press the MENU Button, then the main menu of the OSD appears.
1
2
3
4
5
6
To access a control, use the
Buttons.
When the icon you want becomes highlighted, press the
Button.
Use the
Buttons to adjust the item to the desired level.
Accept the changes by pressing the MENU Button.
Exit the OSD by pressing the MENU Button.
How to adjust the screen automatically
Press the AUTO button on a remote Control in the PC analog signal.
Then optimal screen settings will be selected that fit into the current
mode. If adjustment is not satisfactory, you can adjust the screen
manually.
Auto-Adjust
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User Menus
Adjusting Screen Color
PICTURE
C o n t r a s t
B r i g h t n e s s
C o l o r T e m p .
H - P o s i t i o n
V - P o s i t i o n
C l o c k
C o o l
P h a s e
A u t o A d j u s t
MENU
Move
Select
Exit
Contrast
Brightness
Adjust the difference between the light and dark levels in the picture.
To adjust the brightness of the screen.
Color Temp
Color Settings
PICTURE
C o n t r a s t
B r i g h t n e s s
C o l o r T e m p .
H - P o s i t i o n
V - P o s i t i o n
C l o c k
C o o l
P h a s e
A u t o A d j u s t
MENU
Move
Select
Exit
• Cool : Slightly purplish white.
• Normal : Slightly bluish white.
• Warm : Slightly reddish white.
• User : Select this option to use the user-defined settings.
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User Menus
Adjusting Screen Color
PICTURE
C o o l
C o l o r T e m p .
U s e r
U s e r
U s e r
-
-
-
R
G
B
MENU
Exit
Move
Select
Red / Green / Blue
Set your own color levels.
H-Position : Moving the screen position horizontally.
V-Position : Moving the screen position vertically.
Clock : To minimize any vertical bars or stripes visible on the screen background. The
horizontal screen size will also change. This function is available for analog signals only.
Phase : To adjust the focus of the display. This item allows you to remove any horizontal
noise and clear or sharpen the image of characters. This function is available for analog
signals only.
Auto Adjust (RGB PC input only) : This button is for the automatic adjustment of the
screen position, clock and phase. This function is available for analog signals only.
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User Menus
Adjusting Screen size
Resolution
ZOOM
For more improved or better
picture quality, select the same
mode corresponding to computer
resolution.
R e s o l u t i o n
M o d e
1 3 6 6 X 7 6 8
Z o o m
Z o o m F i n e
0
MENU
Move
Select
Exit
ZOOM
Press the
button.
1.
2.
R e s o l u t i o n
1 3 6 6 X 7 6 8
S e t u p M o d e
MENU
Move
Select
Exit
ZOOM
Press the
button.
R e s o l u t i o n
S e t u p M o d e
1 3 6 6 X 7 6 8
MENU
Move
Select
Exit
3. Accept the changes by pressing the
Button.
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User Menus
Adjusting Screen size
Mode
To select the image size of the screen.
The aspect ratio is not adjusted from the original. It is set by the
program being watched.
Normal
Full
When your AV receives the wide screen signal, it will lead you to
adjust the picture horizontally or vertically, in a linear proportion,
to fill the entire screen fully.
When an image created based on M2900S model resolution (1366 X 480)
and an image based on M3800S model resolution (1366 X 398) are used in
different models, this function adjusts an image to fit to the screen size
without cutting it or leaving any empty space on screen.
Zoom
Zoom Fine To adjust the enlarged or reduced areas on the screen when the product is in Zoom mode.
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User Menus
Adjusting the timer function
TIMER
C l o c k
0 2 : 0 2
0 6 : 3 0
2 2 : 0 0
O F F
O n T i m e
O f f T i m e
F u n c t i o n
MENU
Move
Select
Exit
Clock
If the current time is incorrect, reset the clock manually.
1) Press the MENU button and then use button to select the TIMER menu.
2) Press the
3) Press the
4) Press the
button and then use
button and then use
button and then use
button to select the Clock menu.
button to set the hour(00~23).
button to set the minutes(00~59).
5) Press the MENU button.
On/ Off
Time
The off time automatically switches the set to standby at the pre-set time.
1) Press the MENU button and then use
button to select the TIMER menu.
button to select Off Time or On Time.
button to set the hour(00~23).
2) Press the
3) Press the
4) Press the
button and then use
button and then use
button and then use
button to set the minutes(00~59).
5) Press the MENU button.
Function
To set automatic On/Off.
On : Automatically turn the product On/Off at preset times.
Off : Disable the On/Off Time function.
Note
In the event of power interruption (disconnection or power failure), the clock must be reset.
Once the on or off time is set, these functions operate daily at the preset time.
Off time function overrides On time function if they are set to the same time.
When On time is operated, input screen is turned on as it was turned off.
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User Menus
Adjusting OSD image
OSD
OSD
S e t I D
1
3
H - P o s i t i o n
V - P o s i t i o n
O n - S c r e e n T i m e
H a l f t o n e
1 0
1 0
6 3
F a c t o r y R e s e t
MENU
Move
Select
Exit
You can assign a unique Set ID NO (name assignment) to each
product when several products are connected for display. Specify the
Set ID
number (1~99) using the
button and exit. Use the assigned Set
ID to individually control each product using the Product Control
Program.
Moving the OSD screen position horizontally.
Moving the OSD screen position vertically.
H-Position
V-Position
On-Screen Time To set the period of time that the OSD is displayed on the screen.
(Available times : 3 to 24 second.)
To adjust the transparency of the OSD menu screen.
Select this option to return to the default factory settings.
Halftone
Factory Reset
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Troubleshooting
No image is displayed
ꢀ
Is the product power cord connected?
• See if the power cord is properly connected to the
outlet.
ꢀ
ꢀ
Is the power indicator light on?
• See if the power switch is turned on.
• May need service.
Power is on, power indicator is green
but the screen appears extremely dark.
• Adjust brightness and contrast again.
• Backlight may need repair.
ꢀ
ꢀ
the power indicator amber?
• If the product is in power saving mode, move the
mouse or press any key.
• Turn both devices off and then back on.
Does the 'Out of range' message
appear?
• The signal from the PC (video card) is out of the
vertical or horizontal frequency range of the
product. Adjust the frequency range by referring
to the Specifications in this manual.
* Maximum resolution
RGB : 1280 x 1024 @60Hz
DVI : 1280 x 1024 @60Hz
ꢀ
Does the 'no signal' message appear?
• The signal cable between PC and product is not
connected. Check the signal cable.
• Press the 'SOURCE' menu in the remote Control
to check the input signal.
'Unknown Product' message appears when the product is connected.
• Install the product driver, which is provided with
the product, or download it from the web site.
(http://www.lge.com)
ꢀ
Did you install the driver?
• See if the plug&play function is supported by
referring to the video card user manual.
* Vertical frequency: To enable the user to watch the product display, screen image should be changed tens of times
every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second.
The unit is Hz.
Note
* Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is divided by the
horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal
frequency. The unit is kHz.
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Troubleshooting
The screen image looks abnormal.
ꢀ
Is the screen position wrong?
• D-Sub analog signal – Press the “AUTO” button in
the remote control to automatically select the
optimal screen status that fits into the current
mode. If adjustment is not satisfactory, use the
Position OSD menu.
• See if the video card resolution and frequency are
supported by the product. If the frequency is out of
range, set to the recommended resolution in the
Control Panel – Display – Setting menu.
ꢀ
ꢀ
ꢀ
Do thin lines appear on the
background screen?
• D-Sub analog signal – Press the “AUTO” button
in the remote control to automatically select an
optimal screen status that fits into the current
mode. If adjustment is not satisfactory, use the
Clock OSD menu.
Horizontal noise appears or the
characters look blurred.
• D-Sub analog signal – Press the “AUTO” button
in the remote control to automatically select an
optimal screen status that fits into the current
mode. If adjustment is not satisfactory, use the
Phase OSD menu.
The screen is displayed abnormally.
• The proper input signal is not connected to the
signal port. Connect the signal cable that matches
with the source input signal.
After-image appears on the product.
ꢀ
After-image appears when the
product is turned off.
• If you use a fixed image for a long time, the pixels
may be damaged quickly. Use the screen-saver
function.
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Troubleshooting
Screen color is abnormal.
ꢀ
Screen has poor color resolution
(16 colors).
• Set the number of colors to more than 24 bits (true
color)
Select Control Panel – Display – Settings – Color
Table menu in Windows.
ꢀ
ꢀ
Screen color is unstable or mono- • Check the connection status of the signal cable.
colored.
Or, re-insert the PC video card.
Do black spots appear on the screen?
• Several pixels (red, green, white or black color)
may appear on the screen, which can be
attributable to the unique characteristics of the
LCD panel. It is not a malfunction of the LCD.
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Specifications
The product specifications can change without prior notice for product improvement.
M2900S
LCD Panel
29.1 inches (73.95 cm) TFT (Thin Film Transistor)
LCD (Liquid Crystal Display) Panel
Visible diagonal size: 73.95 cm
0.17025 mm X RGB X 0.51075 mm (Pixel Pitch)
Power
Rated Voltage
AC 100-240V~ 50/60Hz 1.1A
Power Consumption On Mode
Sleep Mode
: 65W Typ.
: ≤ 2W
Off Mode
: ≤ 1W
Dimensions
&Weight
H
W
D
Width x Height x Depth
76.58 cm (30.15 inches) x 30.82 cm (12.13 inches) x 9.8 cm (3.86 inches)
Net
13 kg (28.66 lbs)
NOTE
Information in this document is subject to change without notice.
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Specifications
The product specifications can change without prior notice for product improvement.
M3800S
LCD Panel
38.1 inches (96.89 cm) TFT (Thin Film Transistor)
LCD (Liquid Crystal Display) Panel
Visible diagonal size: 96.89 cm
0.227 mm X RGB X 0.681 mm (Pixel Pitch)
Power
Rated Voltage
AC 100-240V~ 50/60Hz 1.3A
Power Consumption On Mode
Sleep Mode
: 88W Typ.
: ≤ 2W
Off Mode
: ≤ 1W
Dimensions
&Weight
H
W
D
Width x Height x Depth
98.88 cm (38.93 inches) x 32.92 cm (12.96 inches) x 9.2 cm (3.62 inches)
Net
16 kg (35.27 lbs)
NOTE
Information in this document is subject to change without notice.
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Specifications
The product specifications can change without prior notice for product improvement.
Max. Resolution
RGB : 1366 X 768 @60Hz (1280 X 1024@60Hz)
Video Signal
DVI : 1366 X 768 @60Hz (1280 X 1024@60Hz)
be supported depending on the OS or video card type.
–
It may not
Recommended Resolution RGB : 1360 X 768 @60Hz
DVI : 1360 X 768 @60Hz – It may not be
supported depending on the OS or video card type.
Horizontal Frequency RGB : 28 - 70 kHz
DVI : 28 - 70 kHz
Vertical Frequency
57 - 63 Hz
Synchronization Type Separate/Digital
15-pin D-Sub type, DVI (digital), RS-232C
Input Connector
Operational Condition Temperature: 5˚C ~ 35˚C , Humidity: 10% ~ 80%
Storage Condition Temperature: -20˚C ~ 60˚C , Humidity: 5% ~ 90%
Environmental
Conditions
NOTE
Information in this document is subject to change without notice.
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Specifications
PC Mode – Preset Mode
Vertical
Frequency
(Hz)
Vertical
Frequency
(Hz)
Horizontal
Frequency
(kHz)
Horizontal
Frequency
(kHz)
Preset mode
Preset mode
59.799
60.015
59.65
60.0
59.895
60.02
1
2
3
4
5
6
7
8
31.469
31.468
31.5
37.354
37.879
47.816
48.363
47.72
59.94
70.08
640 x 480
720 x 400
720 x 400
800 x 600
800 x 600
1024 x 768
1024 x 768
1360 x 768
9
10
11
12
13
14
1360 x 768
1360 x 768
1366 x 768
1366 x 768
1280 x 1024
1280 x 1024
47.72
47.712
47.713
49.02
63.668
63.981
70.156
59.861
60.317
59.92
60.004
59.799
* 8~14 Select Resolution In OSD Zoom Menu
Power Indicator
Mode
Product
On Mode
Sleep Mode
Off Mode
Green
Amber
Red
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Controlling the Multiple Product
RS-232C
Use this method to connect several products to a single PC.
You can control several products at a time by connecting them to a single PC.
Connecting the cable
Connect the RS-232C cable as shown in the picture.
* The RS-232C protocol is used for communication between the PC and product. You can
turn the product on/off, select an input source or adjust the OSD menu from your PC.
PC
RS-232C Cable
< RS-232C Distributor-
(Not included) >
RS-232C Cable
RS-232C IN
RS-232C IN
RS-232C IN
RS-232C IN
monitor 2
monitor 4
monitor 1
monitor 3
RS-232C Configurations
3-Wire Configurations (Not Standard)
7-Wire Configurations (Standard RS-232C cable)
PC
Monitor
PC
Monitor
RXD
TXD
GND
DTR
DSR
RTS
CTS
2
3
5
4
6
7
8
TXD
RXD
GND
DSR
DTR
CTS
RTS
RXD
TXD
GND
DTR
DSR
RTS
CTS
2
3
5
4
6
7
8
TXD
RXD
GND
DSR
DTR
CTS
RTS
2
3
5
4
6
7
8
2
3
5
4
6
7
8
D-Sub 9
(Female)
D-Sub 9
(Male)
D-Sub 9
(Female)
D-Sub 9
(Male)
Communication Parameter
Baud Rate : 9600buadRate (UART)
Data Length : 8bits
Parity Bit : None
Stop Bit : 1bit
Flow Control : None
Communication Code : ASCII code
Use a straight cable
A1
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Controlling the Multiple Product
RS-232C
Command Reference List
COMMAND1
COMMAND2
DATA(ASCII)
01. Power
02. Source
03. Brightness
04. Contrast
05. Color Temperature
06. Resolution
j
j
j
j
j
j
k
l
m
n
p
q
000 - 001
000 - 001
000 - 100
000 - 100
000 - 003
000 - 002
07. Zoom
08. Auto Adjust
j
j
r
s
000 - 002
000
A2
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Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
Transmission
[Command1][Set ID][Command2][Data][Cr]
* [Command 1]: First command. (j)
* [Command 2]: Second command.
* [Set ID]: Set up the Set ID number of product.
range : 00~99. by setting '0', server can control all products.
* In case of operating with more than 2 sets using set ID as '0' at the same
time, it should not be checked the ack message.
Because all sets will send the ack message, so it's impossible the check the
whole ack messages.
* [DATA]: To transmit command data.
* [Cr]: Carriage Return
ASCII code ‘0x0D’
OK Acknowledgement
[OK]
* The Product 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.
Error Acknowledgement
[NG]
* If there is error, it returns NG.
A3
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Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
01. Power(Command : k)
To control Power On/Off of the Set.
Transmission
[j][Set ID][k][Data][Cr]
Data(ASCII) 000 : Power Off
Acknowledgement
[OK]
001 : Power On
02. Source (Command : l)
To select input source for the Set.
You can also select an input source using the SOURCE
button on the remote control.
Transmission
[j][Set ID][l][Data][Cr]
Data(ASCII) 000 : RGB
001 : DVI
Acknowledgement
[OK]
A4
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Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
03. Brightness(Command : m)
To adjust screen brightness.
You can also adjust the brightness in the Picture menu.
Transmission
[j][Set ID][m][Data][Cr]
Data(ASCII)
Acknowledgement
[OK]
Min : 000 ~ Max : 100
04. Contrast(Command : n)
To adjust screen contrast.
You can also adjust the contrast in the Picture menu.
Transmission
[j][Set ID][n][Data][Cr]
Data(ASCII)
Min : 000 ~ Max : 100
Acknowledgement
[OK]
A5
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Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
05. Color Temperature (Command : p)
To adjust the screen color temperature.
Transmission
[j][Set ID][p][Data][Cr]
Data (ASCII)
000 : Normal
001 : Cool
002 : Warm
003 : User
Acknowledgement
[OK]
06. Resolution (Command : q)
To adjust the screen format.
Transmission
[j][Set ID][q][Data][Cr]
Data (ASCII)
000 : 1366 X 768
001 : 1360 X 768
002 : 1024 X 768
Acknowledgement
[OK]
A6
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Controlling the Multiple Product
RS-232C
Transmission / Receiving Protocol
07. Zoom (Command : r)
To adjust the enlarged or reduced areas on the screen when the product is in Zoom mode.
Transmission
[j][Set ID][r][Data][Cr]
Data (ASCII)
000 : Normal
001 : Zoom
002 : Full
Acknowledgement
[OK]
08. Auto adjust (Command: s)
To adjust picture position and minimize image shaking
automatically. it works only in RGB mode.
Transmission
[j][Set ID][s][Data][Cr]
Data (ASCII)
000 : To set
Acknowledgement
[OK]
A11
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IR Codes
Remote Control
How to connect
Connect your wired remote control to Remote Control port on the Product.
Remote Control IR Code
Output waveform
single pulse, modulated with 37.917KHz signal at 455KHz
Tc
Carrier frequency
FCAR = 1/Tc = fosc/12
Duty ratio = T1/Tc = 1/3
T1
Configuration of frame
•
1st frame
Lead
code
Low
custom code
High
custom code
Data code
Data code
C0 C1 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
9ms
4.5ms
Bit description
•
Bit "0"
•
Bit "1"
0.56ms
0.56ms
1.12ms
2.24ms
Frame interval : Tf
The waveform is transmitted as long as a key is depressed.
•
Tf
Tf
Tf=108ms@455KHz
A8
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Remote Control
IR Codes
Code(Hexa) Function
Note
R/C Button (Menu Navigation, Zoom Hot key)
0FH
16H
17H
12H
03H
07H
11H
0CH
L
M
R/C Button (Menu Navigation)
R/C Button (Increment Value, Select menu item)
R/C Button (Decrement Value, Select menu item)
PR/C Button (Power On/Off)
POWER ON/OFF
SOURCE
R/C Button (D-Sub, DVI)
MENU
R/C Button (Menu On/Off)
AUTO ADJUST
Discrete IR Code (D-Sub Only)
A9
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