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LM540
LM540
15 inch TFT LCD Monitor
User’s
Manual
by Envision Peripherals, Inc.
www.AOCdisplay.com
Before operating your monitor, please read this
manual thoroughly.
LM540
1
17NOV04
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For Your Safety LM540 FCC Statement Notice This equipment has been tested and found to 1. The changes or modifications not expressly comply with the limits for a Class B digital device, approved by the party responsible for pursuant to Part 15 of the FCC Rules. These limits compliance could void the user's authority to are designed to provide reasonable protection operate the equipment. against harmful interference in a residential 2. Shielded interface cables and AC power cord, if installa
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For Your Safety LM540 • The monitor is equipped with a three-pronged Precautions grounded plug, a plug with a third (grounding) • Do not use the monitor near water, e.g. near a pin. As a safety feature, this plug will only fit into bathtub, washbowl, kitchen sink, laundry tub, a grounded power outlet. If your outlet does not swimming pool or in a wet basement. accommodate the three-wire plug, have an electrician install the correct outlet, or use an • Do not place the monitor on an unsta
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For Your Safety LM540 Special Notes on LCD Monitors General Notes The following symptoms are normal with an LCD • Do not install the monitor near heat sources monitor and do not indicate a problem: such as radiators or air ducts. • Due to the nature of the fluorescent light, the • Do not place monitor in direct sunlight or in screen may flicker during initial use. Turn off the areas with excessive dust, mechanical vibration Power Switch and then turn it on again to make or shock. sure the
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Before You Operate the Monitor LM540 Installing & Removing the Base General Features: Package Contents • 38.1cm(15") TFT Color LCD Monitor The box that your monitor was shipped in should have included the following items: • Crisp, Clear Display for Windows 1. LM540 LCD Monitor • Supports Resolutions up to 1024 X 768 pixels 2. Power Cord @75Hz, (1024 x 768 @ 60Hz Recommended) 3. Windows 95/98/2000/ME/XP INF Driver Disk ® • EPA ENERGY STAR 4. Quick Start Guide • Ergonomic Design 5. Booklet (Cont
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Before You Operate the Monitor LM540 Connecting the Wires Using the Power Cord Supplied 1. Connect the built-in video cable into the 15-pin Caution: Make sure the power cord is the correct connector on the back of your computer and type that is required in your area. This LCD tighten the two screws. monitor has a universal power supply that allows operation in either 100/120V AC or 220/240V AC 2. Connect the power cord into your LCD monitor's voltage areas (no user adjustment is required).
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Before You Operate the Monitor LM540 Adjusting the Viewing Angle For optimal viewing, adjust the monitor's angle to • Do not touch the LCD screen when you your own preference. change the angle. It may cause damage or breakage. • Hold the stand firmly when you change the monitor's angle. • Be careful to avoid pinching your hand in the swivel base. • You can adjust the monitor's angle from -5° to 25°. LM540 17NOV04 7
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Before You Operate the Monitor LM540 Preparing To Install An Optional Wall Mounting Arm (Not Supplied) This monitor can be attached to a wall mounting arm you can purchase separately. Disconnect power before performing this procedure. Follow these step. 1. Pull the screw covers off the back of the monitor. 2. Support the base and remove the screws. 3. Remove the base. 4. Follow the manufacturer’s instructions to assemble the wall mounting arm. See next page for further installation instr
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Before You Operate the Monitor LM540 nstall An Optional Wall Mounting Arm (Not Supplied) 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. Insert the power cable into the slot on the back of the monitor. NOTE: The Envision LM540 is compatible with the Ergotron line of mounting and arm solution
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Operating Instructions LM540 Front Panel Buttons Auto: Press this button to automatically set Power Indicator: A green light indicates the H-Position, V-Position, Clock and Focus that the monitor is on. An orange light settings. indicates that the monitor is in Off mode. Brightness: Press this button to adjust the Power: Press this button to turn the picture’s brightness. If the OSD window is monitor on or off. The power indicator will open, this button allows you to move within light up. th
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Operating Instructions LM540 Adjusting the OSD Settings 1. Press the MENU button to open the OSD 5. To save and exit, highlight the EXIT icon and window. press MENU or leave the monitor alone for 10 seconds. If you want to adjust any other 2. Press the < or > buttons until the desired function, repeat steps 2-4. function is highlighted. Note: When the OSD window is open, the input 3. Press MENU to open the function’s window. signal timing settings appear at the top. 4. Press the < or > b
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Operating Instructions LM540 Plug & Play DDC1/2B Feature How to Install INF & ICM File This monitor is equipped with VESA DDC1/2B 1. Insert the Windows 95/98/2000/ME/XP INF capabilities according to the VESA DDC Driver Disk into your floppy drive. STANDARD. It allows the monitor to inform the 2. Follow the Add New Hardware Wizard host system of its identity and, depending on the instructions on the screen. level of DDC used, communicate additional 3. If the wizard asks for the location of t
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Technical Support (FAQ) LM540 Problem Possible Solution Power LED is not ON • Make sure the power button is ON. • Make sure the power cord is properly connected to a grounded power outlet and to the monitor. No Plug & Play • Confirm that your computer is Plug & Play compatible. • Confirm that your video card is Plug & Play compatible. • Inspect the video cable and make sure that none of the pins are bent. • Make sure the Envision monitor drivers are installed. (AOC monitor drivers are availab
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Technical Support (FAQ) LM540 Problem Possible Solution 1 2 Screen image is not • Adjust the CLOCK and FOCUS settings or press the AUTO button to centered or sized automatically re-configure the monitor’s settings. properly Picture has color • Adjust the settings for Red, Green and/or Blue colors or select a different defects (white does color temperature: C1 or C2. not look white) Poor brightness or • The life time of the back-light is limited. After 20,000 hours, the luminance of contrast
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Technical Support (FAQ) LM540 Error Message Possible Solution Input not supported • Your computer has been set to an incompatible display mode. Right click on the desktop and choose Properties. Click the Settings tab then set your computer’s display mode to one of the settings listed in the resolution chart below. Unsupported mode • Your computer’s resolution is out of VESA specifications. try different video Right click on the desktop and choose Properties. Click the Settings tab then card
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Appendix LM540 Specifications Plug & Play VESA DDC1/ 2BTM LCD Driving TFT Color LCD Panel system Input Connector D-Sub 15-pin Size 15.0" (38.1 cm) Input Video Signal Analog: 0.7 Vpp Pixel pitch (0.297 mm) (H) x 75 OHM, Positive (0.297 mm) (V) Maximum Screen Size Horizontal: Viewable 120° (H) 100° (V) 12.0" (304.1 mm) angle Vertical: Input Response 25 milliseconds 9.0" (228.1 mm) time Video Red, Green, Blue Power Source 100~264 VAC, Analog Interface 47~63 Hz Separate H/V TTL Sync. Environmenta
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Appendix LM540 Optimal Viewing Mode: 1024 x 768 x 60 Hz Specifications (continued) Front Panel Buttons Auto Brightness Contrast Power Switch MENU/ Exit External Functions Contrast Controls: Brightness Focus Clock H-Position V-Position C1 C2 RGB Color temp. Reset Exit EPA ENERGY Yes STAR® Power Consumption 25 Watts (Maximum) Regulatory UL, CSA, FCC, Compliance TÜV/GS, CE, Windows® XP Logo LM540 17 17NOV04
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Appendix LM540 Factory Preset Timing Table Resolution Horizontal Vertical Standard (in pixels) Frequency Frequency VGA 720 × 400 31.47 kHz 70 Hz 640 × 480 31.47 kHz 60 Hz 640 × 480 35.00 kHz 66.6 Hz 640 × 480 37.50 kHz 75 Hz SVGA 800 × 600 37.879 kHz 60 Hz 800 × 600 46.875 kHz 75 Hz 832 × 624 49.725 kHz 75 Hz XGA 1024 × 768 48.363 kHz 60 Hz 1024 × 768 56.476 kHz 70 Hz 1024 × 768 60.02 kHz 75 Hz 1024 × 768 60.241 kHz 74.9 Hz LM540 18 17NOV04
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Appendix LM540 Connector Pin Assignment Pin Number Description Pin Number Description 1 Red 9 +5V 2 Green 10 Detect Cable 3Blue 11 NC 4 Ground 12 DDC-Serial Data 5 Ground 13 H-Sync 6 R-Ground 14 V-Sync 7 G-Ground 15 DDC-Serial Clock 8 B-Ground LM540 19 17NOV04
