LG M2900S, M3800S User Manual

User’s Guide

M2900S
M3800S

Make sure to read the

Keep the User's Guide(CD) in an accessible place for future reference.

Safety Precautions

before using the product.

See the label attached on the product and give the information to your dealer when you ask

for service.

Using the Remote Control

Name of the Remote Control Buttons

•

Power On/Off Button
Source

Button

•

Select input source
(RGB, DVI)

•

Menu Button

OSD On/ Off
Sub OSD Menu out

•

button

Zoom Hot key
(Normal Zoom Full)
* Only OSD menu off

SOURCE

MENU

ZOOM

•

Auto Button

Automatic adjustment function
(Operational for the analog signal only)

•

buttons

OSD Menu Navigation

buttons

•

Select OSD Menu Item.

: Decrement Value
: Increment Value

Inserting batteries into remote control.

CR2025

1. Slide off the battery cover.

2. Insert the batteries with correct polarity (+/-).

3. Close the battery cover.

• Dispose of used batteries in the recycle bin to prevent environmental pollution.

1

Name and Function of the Parts

* The product image in the user’s guide could be different from the actual image.

Rear View

DVI IN

DVI, RGB Ports

RS-232C Serial Port

Wired Remote Control Port

Power Connector : Connect the power cord

RGB IN

RS-32C IN

REMOTE

CONTROL IN

AC-IN

2

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

Rear side of the product.

When connecting with the DVI signal input cable.

B

DVI IN

Rear side of the product.

Connect the power cord.

Rear side of the product.

PC

PC

3

Connecting to External Devices

Turn on power by pressing the power button on the product.

1

SOURCE

Zoom

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

ON/OFF

Power button

Note

•

How to connect to two computers.

Connect the signal cables (
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.)

DVI and D-Sub) to each computer.

4

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.

5

User Menus

Screen Adjustment options

Power Button

Power Indicator

MENU Button

OSD Select /

Adjust Button

Zoom

• Press this button to turn on the power. Press this button again to

turn it off.

• 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.

• Use this button to show/hide the OSD (On Screen Display) menu
screen.

• Use

this

button to select an icon or adjust the setting in the OSD screen.

OSD Menu Navigation up and down

: Zoom Hot key (Normal Zoom Full)

Zoom

: Select Menu Item, Decrement Value
: Select Menu Item, Increment Value

SOURCE

ON/OFF

6

User Menus

Screen Adjustment options

SOURCE Button

IR Receiver

To change input source depending on connected signal.

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

Digital signal

• This is where the unit receives signals from the remote control.

15-pin D-Sub analog signal

7

User Menus

OSD Menu

Icon Function Description

Adjusts screen brightness, contrast and color that you prefer.

PICTURE

Adjusts the screen size.

ZOOM

TIMER

OSD

Adjusts the timer options.

Adjusts the OSD image.

Note

OSD(On Screen Display)

The OSD function enables you to adjust the screen status conveniently since it provides
graphical presentation.

8

MENU

MENUMENU

User Menus

How to adjust the OSD (On Screen Display) screen

Pops up

the menu

screen

1

2

3

4

5

6

Move where

you want to

adjust

Press the MENU Button, then the main menu of the OSD appears.

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.

Select a

menu icon

Move where

you want to

adjust

Select a

menu icon

•

Use the remote control to adjust the OSD screen.

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.

Adjust the status

Save

adjustment

Auto-Adjust

Exit from the

menu screen.

9

User Menus

Adjusting Screen Color

PICTURE

Contrast

Brightness

Color Temp.

H- Position

V-Position

Clock

Phase

Auto Adjust

Cool

Move Select Exit

MENU

Contrast Adjust the difference between the light and dark levels in the picture.
Brightness To adjust the brightness of the screen.

Color Temp

Color Settings

PICTURE

Contrast

Brightness

Color Temp.

H- Position

V-Position

Clock

Phase

Auto Adjust

Move Select Exit

Cool

MENU

• Cool : Slightly purplish white.

• Normal : Slightly bluish white.

• Warm : Slightly reddish white.

• User : Select this option to use the user-defined settings.

10

User Menus

Adjusting Screen Color

PICTURE

Color Temp.

User - R

User - G

User - B

Cool

Move Select Exit

Red / Green / Blue

Set your own color levels.

H-Position :
V-Position :
Clock :

horizontal screen size will also change. This function is available for analog signals only.

Phase :

noise and clear or sharpen the image of characters. This function is available for analog
signals only.

Auto Adjust

screen position, clock and phase. This function is available for analog signals only.

Moving the screen position horizontally.

Moving the screen position vertically.

To minimize any vertical bars or stripes visible on the screen background. The

To adjust the focus of the display. This item allows you to remove any horizontal

(RGB PC input only) :

This button is for the automatic adjustment of the

MENU

11

User Menus

Adjusting Screen size

Resolution

1.

ZOOM

Resolution

Mode

Zoom Fine

Move Select Exit

ZOOM

Resolution

Setup Mode

1366X768

Zoom

0

MENU

1366X768

For more improved or better
picture quality, select the same
mode corresponding to computer
resolution.

Press the button.

Move Select Exit

2.

3.

ZOOM

Resolution

Setup Mode

Move Select Exit

Accept the changes by pressing the Button.

MENU

1366X768

MENU

12

Press the button.

User Menus

Adjusting Screen size

Mode

Zoom Fine To adjust the enlarged or reduced areas on the screen when the product is in Zoom mode.

To select the image size of the screen.

Normal

Full

Zoom

The aspect ratio is not adjusted from the original. It is set by the
program being watched.

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.

13

User Menus

Adjusting the timer function

TIMER

Clock

On/ Off
Time

Clock

On Time

Off Time

Function

Move Select Exit

If the current time is incorrect, reset the clock manually.

1) Press the MENU button and then use

2) Press the button and then use

3) Press the button and then use

4) Press the button and then use

5) Press the MENU button.

The off time automatically switches the set to standby at the pre-set time.

1) Press the MENU button and then use

2) Press the button and then use

3) Press the button and then use

4) Press the button and then use

5) Press the MENU button.

02:02

06:30

22:00

OFF

MENU

button to select the TIMER menu.

button to select the Clock menu.

button to set the hour(00~23).
button to set the minutes(00~59).

button to select the TIMER menu.

button to select Off Time or On Time.

button to set the hour(00~23).
button to set the minutes(00~59).

Function

Note

To set automatic On/Off.
On : Automatically turn the product On/Off at preset times.
Off : Disable the On/Off Time function.

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.

14

User Menus

Adjusting OSD image

OSD

OSD

Set ID

H-Position

V-Position

On-Screen Time

Halftone

Factory Reset

Set ID

H-Position

V-Position

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
number (1~99) using the
ID to individually control each product using the Product Control
Program.

Moving the OSD screen position horizontally.

Moving the OSD screen position vertically.

MENU

1

3

10

10

63

button and exit. Use the assigned Set

On-Screen Time To set the period of time that the OSD is displayed on the screen.

(Available times : 3 to 24 second.)

Halftone

Factory Reset

To adjust the transparency of the OSD menu screen.

Select this option to return to the default factory settings.

15

Troubleshooting

No image is displayed

●

Is the product power cord connected?

●

Is the power indicator light on?

●

Power is on, power
but the screen appears extremely dark.

●

the power indicator amber?

●

Does the 'Out of range' message
appear?

●

Does the 'no signal' message appear?

indicator

is green

• See if the power cord is properly connected to the
outlet.

• See if the power switch is turned on.

• May need service.

• Adjust brightness and contrast again.

• Backlight may need repair.

• If the product is in power saving mode, move the

mouse or press any key.

• Turn both devices off and then back on.

• 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

• 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.

●

Did you install the driver?

Note

* 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.

* 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.

• Install the product driver, which is provided with
the product, or download it from the web site.
(http://www.lge.com)

• See if the plug&play function is supported by

referring to the video card user manual.

16

Troubleshooting

The screen image looks abnormal.

●

Is the screen position wrong?

●

Do thin lines appear on the

background screen?

●

Horizontal noise appears or the

characters look blurred.

●

The screen is displayed abnormally.

• 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.

• 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.

• 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 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.

17

Troubleshooting

Screen color is abnormal.

●

Screen has poor color resolution

(16 colors).

●

Screen color is unstable or mono­colored.

●

Do black spots appear on the screen?

• Set the number of colors to more than 24 bits (true
color)
Select Control Panel – Display – Settings – Color
Table menu in Windows.

• Check the connection status of the signal cable.
Or, re-insert the PC video card.

• 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.

18

Specifications

The product specifications can change without prior notice for product improvement.

M2900S

LCD Panel

Power

Dimensions

&Weight

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)

Rated Voltage AC 100-240V~ 50/60Hz 1.1A
Power Consumption On Mode : 65W Typ.

Sleep Mode : ≤ 2W
Off Mode : ≤ 1W

H

W

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)

D

NOTE

Information in this document is subject to change without notice.

19

Specifications

The product specifications can change without prior notice for product improvement.

M3800S

LCD Panel

Power

Dimensions

&Weight

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)

Rated Voltage AC 100-240V~ 50/60Hz 1.3A
Power Consumption On Mode : 88W Typ.

Sleep Mode : ≤ 2W
Off Mode : ≤ 1W

H

W

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)

D

NOTE

Information in this document is subject to change without notice.

20

Specifications

The product specifications can change without prior notice for product improvement.

Video Signal

Input Connector

Environmental
Conditions

Max. Resolution RGB : 1366 X 768 @60Hz (1280 X 1024@60Hz)

DVI : 1366 X 768 @60Hz

be supported depending on the OS or video card type.

Recommended Resolution

Horizontal Frequency RGB : 28 - 70 kHz

Vertical Frequency 57 - 63 Hz

Synchronization Type Separate/Digital

Operational Condition Temperature: 5˚C ~ 35˚C , Humidity: 10% ~ 80%
Storage Condition Temperature: -20˚C ~ 60˚C , Humidity: 5% ~ 90%

RGB : 1360 X 768 @60Hz
DVI : 1360 X 768 @60Hz – It may not be

supported depending on the OS or video card type.

DVI : 28 - 70 kHz

D-Sub type, DVI (digital), RS-232C

15-pin

(1280 X 1024@60Hz)

–

It may not

NOTE

Information in this document is subject to change without notice.

21

Specifications

PC Mode – Preset Mode

Preset mode

1
2
3
4
5
6

1024 x 768

7

1024 x 768

8

1360 x 768

Power

Mode

On Mode
Sleep Mode
Off Mode

640 x 480
720 x 400
720 x 400
800 x 600
800 x 600

Indicator

Horizontal

Frequency

(kHz)

31.469

31.468

31.5

37.354

37.879

47.816

48.363

47.72

Product

Green
Amber

Red

Vertical

Frequency

(Hz)

59.94

70.08

70.156

59.861

60.317

59.92

60.004

59.799

Horizontal

Preset mode

9
10
11
12
13
14

* 8~14 Select Resolution In OSD Zoom Menu

1360 x 768
1360 x 768
1366 x 768

1366 x 768
1280 x 1024
1280 x 1024

Frequency

(kHz)

47.72

47.712

47.713

49.02

63.668

63.981

Vertical

Frequency

59.799

60.015

59.65

60.0

59.895

60.02

(Hz)

22

RS-232C

RS-232C IN RS-232C IN RS-232C IN RS-232C IN

Controlling the Multiple Product

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

* 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.

< RS-232C Distributor-

(Not included) >

RS-232C Cable

as shown in the picture.

PC

RS-232C Cable

RS-232C Configurations

7-Wire Configurations (Standard RS-232C cable)

PC Monitor

RXD

2

TXD

3

GND

5

DTR

4

DSR

6

RTS

7

CTS

8

D-Sub 9 D-Sub 9

(Female) (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

2
3
5
4
6
7
8

monitor 1

TXD
RXD
GND
DSR
DTR
CTS
RTS

monitor 2

A1

monitor 3

3-Wire Configurations (Not Standard)

RXD
TXD
GND
DTR
DSR
RTS
CTS

monitor 4

PC Monitor

2
3
5
4
6
7
8

D-Sub 9 D-Sub 9

(Female) (Male)

2
3
5
4
6
7
8

TXD
RXD
GND
DSR
DTR
CTS
RTS

RS-232C

Controlling the Multiple Product

Command Reference List

COMMAND1 COMMAND2 DATA(ASCII)

01. Power j k 000 - 001

02. Source j l 000 - 001

03. Brightness j m 000 - 100

04. Contrast j n 000 - 100

05. Color Temperature j p 000 - 003

06. Resolution j q 000 - 002

07. Zoom j r 000 - 002

08. Auto Adjust j s 000

A2

RS-232C

Controlling the Multiple Product

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

RS-232C

Controlling the Multiple Product

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 001 : Power On

Acknowledgement

[OK]

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

RS-232C

Controlling the Multiple Product

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) Min : 000 ~ Max : 100

Acknowledgement

[OK]

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

RS-232C

Controlling the Multiple Product

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

RS-232C

Controlling the Multiple Product

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

Remote Control

IR Codes

▲▲▲

Connect your wired remote control to Remote Control port on the Product.

Remote Control IR Code

Output waveform

How to connect

single pulse, modulated with 37.917KHz signal at 455KHz

Tc

Carrier frequency

FCAR = 1/Tc = fosc/12

T1

Duty ratio = T1/Tc = 1/3

Configuration of frame

1st frame

•

Lead
code

▲

Lead code

▲

Bit description

•

Low
custom 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

9ms

Bit "0"

0.56ms

High
custom code

•

Bit "1"

Data code

4.5ms

0.56ms

Data code

1.12ms

▲

Frame interval : Tf

•

The waveform is transmitted as long as a key is depressed.

Tf

Tf=108ms@455KHz

Tf

A8

2.24ms

Remote Control

Code(Hexa) Function Note

0FH
16H
17H
12H
03H
07H
11H
0CH

▲

▼

▲

▲

POWER ON/OFF

SOURCE
MENU
AUTO ADJUST

IR Codes

R/C Button

R/C Button

R/C Button

R/C Button

PR/C Button (Power On/Off)

R/C Button (D-Sub, DVI)

R/C Button (Menu On/Off)

Discrete IR Code (D-Sub Only)

(Menu Navigation,
(Menu Navigation)
(Increment Value, Select menu item)
(Decrement Value, Select menu item)

Zoom Hot key

)

A9