AOC LM914 Computer Monitor User manual

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AOC LM914 Computer Monitor User manual | Manualzz

LM914

19” LCD Monitor

User’s

Manual

LM914

By Envision Peripherals, Inc. www.aocmonitor.com

LM914

Before operating the monitor, please read this manual thoroughly. This manual should be retained for future reference.

FCC Class B Radio Frequency Interference Statement

WARNING: (FOR FCC CERTIFIED MODELS)

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

4. Consult the dealer or an experienced radio/TV technician for help.

NOTICE

1. The changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

2. Shielded interface cables and AC power cord, if any, must be used in order to comply with the emission limits.

3. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modification to this equipment. It is the responsibilities of the user to correct such interference.

As an

E

NERGY

S

TAR

Partner Envision Peripherals Inc. has determined that this product meets the

E

NERGY

S

TAR

guidelines for energy efficiency.

WARNING:

To prevent fire or shock hazard, do not expose the monitor to rain or moisture.

Dangerously high voltages are present inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel only.

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PRECAUTIONS

! Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement.

! Do not place the monitor on an unstable cart, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance. Use only a cart or stand recommended by the manufacturer or sold with the monitor. If you mount the monitor on a wall or shelf, use a mounting kit approved by the manufacturer and follow the kit instructions.

! Slots and openings in the back and bottom of the cabinet are provided for ventilation. To ensure reliable operation of the monitor and to protect it from overheating, be sure these openings are not blocked or covered. Do not place the monitor on a bed, sofa, rug, or similar surface. Do not place the monitor near or over a radiator or heat register. Do not place the monitor in a bookcase or cabinet unless proper ventilation is provided.

! The monitor should be operated only from the type of power source indicated on the label. If you are not sure of the type of power supplied to your home, consult your dealer or local power company.

! The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin. This plug will fit only into a grounded power outlet as a safety feature. If your outlet does not accommodate the three-wire plug, have an electrician install the correct outlet, or use an adapter to ground the appliance safely. Do not defeat the safety purpose of the grounded plug.

! Unplug the unit during a lightening storm or when it will not be used for long period of time. This will protect the monitor from damage due to power surges.

! Do not overload power strips and extension cords. Overloading can result in fire or electric shock.

! Never push any object into the slot on the monitor cabinet. It could short circuit parts causing a fire or electric shock. Never spill liquids on the monitor.

! Do not attempt to service the monitor by yourself; opening or removing covers can expose you to dangerous voltages and other hazards. Please refer all servicing to qualified service personnel.

! To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate configured receptacles marked between 100 - 240V AC, Min. 5A.

! The wall socket shall be installed near the equipment and shall be easily accessible.

! For use only with power adaptor manufacturer by CHI SAM

ELECTRONIC , model CH-1205.

NOTES

Do not install the monitor in a location near heat sources such as radiators or air ducts, or in a place subject to direct sunlight, or excessive dust or mechanical vibration or shock.

PRECAUTIONS (cont)

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Save the original shipping carton and packing materials, as they will come in handy if you ever have to ship your monitor.

For maximum protection, repackage your monitor as it was originally packed at the factory.

To keep the monitor looking new, periodically clean it with a soft cloth.

Stubborn stains may be removed with a cloth lightly dampened with a mild detergent solution. Never use strong solvents such as thinner, benzene, or abrasive cleaners, since these will damage the cabinet. As a safety precaution, always unplug the monitor before cleaning it.

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SPECIAL NOTES ON LCD MONITORS

The following symptoms are normal with LCD monitor and do not indicate a problem.

NOTES

Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and then turn it on again to make sure the flicker disappears.

You may find slightly uneven brightness on the screen depending on the desktop pattern you use.

The LCD screen has effective pixels of 99.99% or more. It may include blemishes of 0.01% or less such as a missing pixel or a pixel lit all of the time.

Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image, when the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image or turning off the Power Switch for hours.

BEFORE YOU OPERATE THE MONITOR

FEATURES

FEATURES

48cm(19”) TFT Color LCD Monitor

Crisp, Clear Display for Windows

Recommened Resolutions: 1280 X 1024 @ 60Hz

EPA

NERGY

S

TAR

®

Dual Input (DVI + Analog)

2W+2W

Space Saving, Compact Case Design

CHECKING THE CONTENTS OF THE PACKAGE

The product package should include the following items:

2. 15-pin D-Sub Cable

5. PC Stereo Cable

6. External Power Adapter

8. Quick Start Guide (QSG)

9. Warranty, Notices, Warnings & Precautions Booklet

9. Input Not Supported Solution Sheet

4

INSTALLATION INSTRUCTIONS

INSTALLATION INSTRUCTIONS

SWIVEL BASE

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Figure 1 Installing and Removing the Swivel Base

POWERCORD

Power Source:

1. Make sure that the power cord is the correct type required in your area.

2. This LCD monitor has an External universal power supply that allows operation in either 100/120V AC or 220/240V AC voltage area (No user adjustment is required.)

3. Connect the AC-power cord into your LCD monitor’s External Adapter input socket, and then plug the other end of External adapter to LCD monitor’s DC-power-input. The AC-power cord may be connected to either a wall power outlet or the power outlet socket on your PC, depending on the type of power cord supplied with your LCD monitor.

NOTES

A certified power supply cord has to be used with this equipment. The relevant national installation and/or equipment regulations shall be considered. A certified power supply cord not lighter than ordinary polyvinyl chloride flexible cord according to IEC 60227 (designation H05VV-F 3G

0.75mm! or H05VVH2-F2 3G 0.75mm! ) shall be used. Alternative a flexible cord be of synthetic rubber according to IEC 60245 (designation H05RR-F 3G

0.75mm! ) shall be used.

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INSTALLATIONS INSTRUCTIONS (cont)

PREPARING TO INSTALL THE CABLES

1. Remove the wall mounting hole cover.

2. Remove the cable cover.

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CABLE

CONNECTIONS

1 – Connect the DC-jack power cable into DC-IN connector on the back of the monitor.

2. Connect one end of the 15-pin D-Sub cable to the back of the monitor and connect the other end to the computer’s D-Sub port.

3. (Optional – Requires a video card with DVI port) Connect one end of the

24-pin DVI cable to the back of the monitor and connect the other end to the computer’s DVI port. be tightened.

4. (Optional) - Connect the audio cable between the monitor’s audio input & the computer sound card’s audio output (green port).

5. Connect the female end of the power cord to the monitor’s power adapter and connect the male end of the power cord to the AC outlet.

Caution: If the AC outlet is not grounded (with three holes), install the proper grounding adapter (not supplied).

6. (Optional – Headphone not included) – Connect a headphone to the monitor’s headphone jack.

1. External Adapter

Figure 2 - Connecting Cables

5. Power Cord

2. 15-pin D-Sub Cable 6. Headphone (Not Included)

INSTALLATION INSTRUCTIONS (cont)

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Preparing To Install The Optional Wall Mount Arm (Not Included)

CONNECTIONS

This monitor can be attached to a wall mounting arm or bracket you can purchase separately from Ergotron (www.ergotron.com). Turn the power OFF then dis-connect the cables from the monitor before performing the procedure below. Lay the monitor face down on a soft surface.

1. Remove wall mounting hole cover.

2. Remove the cable cover.

3. Remove the 4 screws holding the base to the back of the monitor.

4. Remove the base.

INSTALLATION INSTRUCTIONS (cont)

8

Attaching The Optional Wall Mount Arm (not supplied)

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Follow these steps to finish installing the wall mounting arm:

1. Place the wall mounting arm onto the back of the monitor. Line up the holes of the arm with the holes in the back of the monitor.

2. Insert the 4 screws into the holes and tighten.

3. Reconnect the cables. Refer to the user’s manual that came with the optional wall mounting arm for instrucstions on attaching it to the wall.

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For optimal viewing it is recommended to look at the full face of the monitor, then adjust the monitor’s angle to your own preference.

Hold the stand so you do not topple the monitor when you change the monitor’s angle.

You are able to adjust the monitor’s angle from -5

°

to 20

°

.

Figure 3

NOTES

Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.

Careful attention is required not to catch your fingers or hands when you change the angle.

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OPERATING INSTRUCTIONS

GENERAL INSTRUCTIONS

Press the power button to turn the monitor on or off. The other control buttons are located on the side of the monitor (See Figure 4). By changing these settings, the picture can be adjusted to your personal preferences.

The power cord should be connected.

Connect the video cable from the monitor to the video card.

Press the power button to turn on the monitor. The power indicator will light up.

Figure 4 - External Control Button

EXTERNAL CONTROLS

5. Power Indicator 1. Auto Config / Exit

2.

/ Brightness

3.

/ Contrast

4. MENU / ENTER 8. Volume Control

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FRONT PANEL CONTROL

Power Button

:

Press this button to switch the monitor’s power ON or OFF.

MENU / ENTER :

Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in Brightness/Contrast

OSD status.

Brightness

/

:

Adjust brightness or function adjust.

Contrast

/

:

Adjust contrast or function adjust.

••••

Auto Adjust button / Exit:

1. When OSD menu is in active status, this button will act as EXIT-KEY

(EXIT OSD menu)

2. When OSD menu is in OFF, press this button for 2 seconds to activate the Auto Adjustment function.

The Auto Adjustment function is used to set the HPos, VPos, Clock and Focus.

Power Indicator:

Green — Power On mode.

Orange — Off

Headphone Jack:

A headphone can be connected to this jack for private audio listening.

Volume Control:

Adjusts the monitor’s built-in speakers volume.

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HOW TO ADJUST A SETTING

1. Press the MENU-button to activate the OSD window. See figure 5.

2. Press or to select the desired function. See figure 5.

3. Press the MENU-button again to activate the highlighted function.

4. Press or to adjust the selected function.

Note: is used to adjust the function down & is used to adjust the function up. This is due to the orientation of the adjustment level bar.

5. When the OSD window is active, it shows the input signal timing. The "H" stands for the horizontal frequency and "V" for the vertical frequency.

6. To exit and save, select the exit function, or leave the monitor alone for 10 seconds. If you want to adjust another function press MENU again and repeat steps 2-4.

Figure 5 The OSD Message

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ADJUSTING THE PICTURE

Below describes the function of each OSD icon.

1.

Contrast Adjust the picture contrast.

2.

Brightness Adjust the picture brightness.

3.

4.

5.

Input Selected

Clock

Input Signal source selected ( select Analog or Digital input source )

Adjust picture Focus (available in Analog mode only).

Adjust picture Clock (available in Analog mode only).

Focus

6. H- Position

Adjust the horizontal position of the picture

(availab in Analog mode only).

7. V- Position

Adjust the vertical position of the picture

(available in Analog mode only).

8.

9.

Scaling Mode

Stretch the picture to fit full screen, screen size ratio or native size (this function only works when the resolution setting is lower than the native resolution of 1280x1024).

10.

Red

Adjusts Red intensity.

11.

12.

13.

Blue

C1

(6500K)Color

14.

C2

(7800K)Color

15.

Reset

16. Exit

Adjusts Blue intensity.

The color temperature for 6500°K is x=0.313, y=0.329.

The color temperature for 7800°K is x=0.296, y=0.311.

Clear old settings of Auto-configuration, reactivates auto-configuration and set the color temperature to 7800°K.

Save user adjustment and exit OSD menu.

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PLUG AND PLAY

Plug & Play DDC1/2B Feature

This monitor is equipped with VESA DDC1/2B capabilities according to the

VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities. The communication channel is defined in two levels, DDC1 and DDC2B.

The DDC1 is a unidirectional data channel from the display to the host that continuously transmits EDID information. The DDC2B is a bidirectional data channel based on the I²C protocol. The host can request EDID information over the DDC2B channel.

THIS MONITOR WILL APPEAR TO BE NON-FUNCTIONAL IF THERE IS

NO VIDEO INPUT SIGNAL. IN ORDER FOR THIS MONITOR TO OPERATE

PROPERLY, THERE MUST BE A VIDEO INPUT SIGNAL.

This monitor meets the Green monitor standards as set by the Video

Electronics Standards Association (VESA) and/or the United States

Environmental Protection Agency (EPA) and The Swedish Confederation

Employees (NUTEK). This feature is designed to conserve electrical energy by reducing power consumption when there is no video-input signal present.

When there is no video input signal this monitor, following a time-out period, will automatically switch to an OFF mode. This reduces the monitor's internal power supply consumption. After the video input signal is restored, full power is restored and the display is automatically redrawn. The appearance is similar to a "Screen Saver" feature except the display is completely off. The display is restored by pressing a key on the keyboard, or clicking the mouse.

USING THE RIGHT POWER CORD :

The accessory power cord for the Northern American region is the wallet plug with NEMA 5-15 style and is UL listed and CSA labeled. The voltage rating for the power cord shall be 125 volts AC.

Supplied with units intended for connection to power outlet of personal computer: Please use a cord set consisting of a minimum No. 18 AWG, type

SJT or SVT three conductors flexible cord. One end terminates with a grounding type attachment plug, rated 10A, 250V, CEE-22 male configuration.

The other end terminates with a molded-on type connector body, rated 10A,

250V, having standard CEE-22

female configuration.

Please note that power supply cord needs to use VDE 0602, 0625, 0821 approval power cord in European counties.

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TECHNICAL SUPPORT (FAQ)

Problem & Question Possible Solution

Power LED is not on

No Plug & Play

Picture is fuzzy

Picture bounces or a wave pattern is present in the picture

The power LED is ON (orange) but there’s no video or no picture.

Missing one of the primary colors (RED, GREEN, or

BLUE)

*Check if the Power Switch is in the ON position

*Power Cord should be connected

*Check if the PC system is Plug & Play compatible

*Check if the Video Card is Plug & Play compatible

*Check if the D-15 plug pin of Video

Cable is bent

*Make sure the AOC Monitor Drivers are installed

(AOC Monitor Drivers are available at: www.aocmonitor.com)

*Adjust the Contrast and Brightness

Controls.

*Move electrical devices that may cause electrical interference.

*Computer Power Switch should be in the ON position.

*Computer Video Card should be snugly seated in its slot

*Make sure monitor’s video cable is properly connected to the computer.

*Inspect monitor’s video cable and make sure none of the pins are bent.

*Make sure computer is operational by hitting the CAPS LOCK key on the keyboard while observing the CAPS

LOCK LED. The LED should either turn ON or OFF after hitting the CAPS

LOCK key.

*Inspect the monitor’s video cable and make sure that none of the pins are bent.

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Screen image is not centered or sized properly.

Picture has color defects

*Adjust pixel frequency (CLOCK) and

FOCUS or press hot-key (AUTO)

*Adjust RGB color or select a pre-set

(white does not look white) color temperature from OSD.

Horizontal or vertical disturbances on *Use win 95/98 shut-down mode the screen Adjust CLOCK and FOCUS or perform hot- key (AUTO-key).

CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture has not correct width.

FOCUS adjusts the phase of the pixel clock signal. With a wrong phase adjustment the picture has horizontal disturbances in light picture.

For FOCUS and CLOCK adjustment use “dot-pattern” or Win 95/98 shutdown mode pattern .

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ERROR MESSAGE & POSSIBLE SOLUTION

NO SIGNAL

1. Check that the signal-cable is properly connected , If the connector is loose, tighten the connector’s screws.

2. Check the signal-cable’s connection pins for damage.

INPUT NOT SUPPORT

Your computer has been set to unsuitable display mode ,set the computer to display mode given in the following table.

UNSUPPORTED MODE TRY DIFFERENT VIDEO CARD SETTING

Your computer resolution is out of VESA-SPEC

RESOLUTION

RESOLUTION

VERTICAL

FREQUENCY

640 × 400 70Hz

640 × 350

720 × 400

720 × 400

640 × 480

640 × 480

640 × 480

640 × 480

800 × 600

800 × 600

800 × 600

800 × 600

800 × 600

1024 × 768

70Hz

70Hz

85Hz

60Hz

72Hz

75Hz

85Hz

56Hz

60Hz

72Hz

75Hz

85Hz

60Hz

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1024 × 768

1024 × 768

1024 × 768

1280 × 1024

1280 × 1024

1280 × 1024

1152 × 864

1280 × 960

1280 × 960

640 × 480

832 × 624

70Hz

75Hz

85Hz

60Hz

75Hz

85Hz

75Hz

60Hz

85Hz

67Hz

75Hz

640 × 400 56Hz

NOTE: For digital input, the resolution 1280 x 1024 @ 85Hz and 1280 x 960 @ 85Hz are not supported

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HOW TO INSTALL THE DRIVER-DISK (INF & ICM FILE)

FOR FIRST TIME INSTALL :

This is a Plug & Play LCD monitor. Turn off the PC then connect the cables. Power on the PC and it will automatically detect your new monitor.

The Windows Operating system will automatically install a plug & play driver for it. If you would still like to install the driver included in the diskette that came with the monitor, log-on to our website at www.aocmonitor.com/support/faq.asp. Then look for “Installing the Driver” section.

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APPENDIX

SPECIFICATIONS

LCD Panel

Driving system TFT Color LCD

Size

Pixel pitch

48cm(19.0")

0.294mm( H )x 0.294mm( V )

Response time 25 ms ( Typical )

Video R,G,B Analog Interface

H-Frequency 93KHz

Display Colors

Dot Clock

Max. Resolution

Plug & Play

EPA E

NERGY

S

TAR

®

ON Mode

16.7M Colors

135MHz

1280 x 1024 @85Hz

VESA DDC1/2B

TM

<60W

Input Connector

Input Video Signal

D-Sub 15pin

Analog:0.7Vp-p(standard),

75 OHM, Positive

DVI 24pin Input Connector

Input Video Signal

Maximum Screen Size

Digital sigal

Horizontal : 376.32mm

Vertical : 301.056mm

12VDC/5.0A 60W Max Power Source

Environmental

Considerations

20% to 90%

Weight (N. W.) 5.9Kgs Unit (net)

432.00

378.32

Operating Temp: 0° to 40°C

Storage Temp.: -10° to 50°C

Operating Humidity :

140.00

250.00

L901-a

21

198.15

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External Controls: Functions

Power Consumption ( Maximum )

Audio

Regulatory

Compliance

Auto Adjust Key

/ Brightness

/ Contrast

Power Button

MENU/ Exit

Volume

Contrast

Brightness

Input Selected

Focus

Clock

H-Position

V-Position

Auto-center

Language

Scaling

C1 ( 6500°K )

C2 ( 7800°K )

RGB Color temperature

Recall

Exit

60 Watts

2W + 2W rms (Stereo)

UL, CSA, FCC, TÜV/GS, CE,

ISO13406-2, Windows XP Logo

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FACTORY PRESET TIMING TABLE

STANDARD

Dos-mode

Dos-mode

Dos-mode

VGA

SVGA

XGA

SXGA

RESOLUTION

640 × 400

720 x 400

720 x 400

640 × 480

640 × 480

640 × 480

640 × 480

800 × 600

800 × 600

800 × 600

800 × 600

832 × 624

1024 × 768

1024 × 768

1024 × 768

1280 × 1024

1280 × 1024

1280 × 1024

1152 × 864

1280 × 960

1280 × 960

HORIZONTAL

FREQUENCY

31.47kHz

31.47kHz

31.47kHz

31.47kHz

35.00kHz

37.50kHz

37.86kHz

37.879kHz

46.875kHz

35.16kHz

48.01kHz

49.725kHz

48.363kHz

56.476kHz

60.021kHz

64.000kHz

80.000kHz

91.146kHz

79.976kHz

60.000kHz

80.000kHz

VERTICAL

FREQUENCY

70.0Hz

70.0Hz

70.0Hz

60.0Hz

66.6Hz

75.0Hz

72.0Hz

60.0Hz

75.0Hz

56.0Hz

72.0Hz

75.0Hz

60.0Hz

70.0Hz

75.0Hz

60.0Hz

75.0Hz

85.0Hz

75.0Hz

60.0Hz

85.0Hz

Note: The factory preset mode for DOS is 720x400 @70Hz.

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CONNECTOR PIN ASSIGNMENT

1

6

11

5

10

15

15 - Pin Color Display Signal Cable

PIN NO. DESCRIPTION

1. Red

2. Green

3. Blue

4. Ground

5. Ground

6. R-Ground

7. G-Ground

8. B-Ground

PI N NO.

9.

DESCRIPTION

+5V

11. NC

13. H-Sync

14. V-Sync

PIN NO.

24 - Pin Color Display Signal Cable

DESCRIPTION PI N NO. DESCRIPTION

TMDS Data 3+

Shield

6. DDC 18.

7. DDC 19.

24

Hot Plug Detect

TMDS Data 0-

TMDS Data 0+

TMDS Data 0/5

Shield

8. N.C.

9. TMDS Data 1-

20.

21.

1/3 23.

Shield

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TMDS Data 5-

TMDS Data 5+

TMDS Clock Shield

TMDS Clock +

TMDS Clock -

25

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