NEC MultiSync LCD1701 User Manual

LCD1701  
User’s Manual  
For the Customer to use in U.S.A. or Canada  
Canadian Department of Communications Compliance Statement  
DOC: This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouiller du Canada.  
C-UL: Bears the C-UL Mark and is in compliance with Canadian Safety Regulations according to CSA C22.2 No. 60950.  
Ce produit porte la marque C-ULet se conforme aux règlements de sûrele Canadiens selon CAN/CSA C22.2 No. 60950.  
FCC Information  
1.  
Use the attached specified cables with the LCD1701 colour monitor so as not to interfere with radio and television  
reception.  
(1)  
The power supply cord you use must have been approved by and comply with the safety standards of U.S.A.,  
and meet the following condition.  
Power supply cord  
Length  
Non shield type, 3-conductor  
2.0 m  
Plug shape  
U.S.A  
(2)  
Shielded video signal cable. Use of other cables and adapters may cause interference with radio and television  
reception.  
2.  
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:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult your dealer or an experienced radio/TV technician for help.  
If necessary, the user should contact the dealer or an experienced radio/television technician for additional  
suggestions. The user may find the following booklet, prepared by the Federal Communications Commission, helpful:  
How to Identify and Resolve Radio-TV Interference Problems.This booklet is available from the U.S. Government  
Printing Office, Washington, D.C., 20402, Stock No. 004-000-00345-4.  
Declaration of Conformity  
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions. (1) This device may not  
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause  
undesired operation.  
U.S. Responsible Party: NEC-Mitsubishi Electronics Display of America, Inc.  
Address:  
1250 N. Arlington Heights Road  
Itasca, Illinois 60143-1248  
(630) 467-3000  
Tel. No.:  
Type of Product:  
Display Monitor  
Equipment Classification: Class B Peripheral  
Model:  
LCD1701  
We hereby declare that the equipment specified above conforms  
to the technical standards as specified in the FCC Rules.  
English-2  
Contents  
Your new NEC LCD monitor box* should contain the following:  
LCD1701 monitor with tilt base  
Power Cord  
Video Signal Cable  
Users Manual  
CD ROM (includes complete Users Manual in PDF format).  
To see the Users Manual, Acrobat Reader 4.0 must be installed on your PC.  
*
Remember to save your original box and packing material to transport or ship the monitor.  
Quick Start  
To attach the LCD monitor to your system, follow these instructions:  
1. Turn off the power to your computer.  
2. Remove cable cover.  
3. For PC: Connect the 15-pin mini D-SUB of the appropriate signal cable to the connector for the display card in your  
system (Figure A.1). Tighten all screws.  
For Mac: Connect the LCD1701 Macintosh cable adapter to the computer (Figure B.1). Attach the 15-pin mini D-SUB end  
of the appropriate signal cable to the LCD1701 Macintosh cable adapter (Figure B.1). Tighten all screws.  
Macintosh  
Cable Adapter  
(not included)  
Macintosh G3 and G4  
do not need a Macintosh  
cable adapter  
Figure A.1  
Figure B.1  
4. Connect the 15-pin mini D-SUB of the video signal cable to the appropriate connector on the back of the monitor  
(Figure C.1).  
5. Connect one end of the power cord to the LCD1701 monitor and the other end to the power outlet. Place the video signal  
cable and AC power cord under the cable cover (Figure C.1). Replace cable cover.  
NOTE:  
NOTE:  
Adjust the position of the cable under the cable cover to avoid damage for cable or monitor.  
As indicated (Figure C.1) please adjust the cables to place the ferrite core and stopper above the cubic cover.  
Please refer to Caution section of this manual for proper selection of AC power cord.  
English-3  
Ferrite core  
Cable Cover  
Stopper  
Figure C.1  
6. The Vacation Switch on the right side of the monitor must be turned on (Figure D.1). Turn on the monitor with the Power  
Button and the computer.  
NOTE:  
The Vacation Switch is a true on/off switch. If this switch is on the OFF position, the monitor cannot be turned on  
using the front button DO NOT switch on/off repeatedly.  
Vacation Switch  
Power Button  
Figure D.1  
7. No-touch Auto Adjust automatically adjusts the monitor to optimal settings upon initial setup for most timings. For further  
adjustments, use the following OSM controls:  
Auto Adjust Contrast  
Auto Adjust  
Refer to the Controls section of this Users Manual for a full description of these OSM controls.  
NOTE:  
If you have any problems, please refer to the Troubleshooting section of this Users Manual.  
English-4  
Tilt and Swivel  
Grasp both sides of the monitor screen with your hands and adjust the tilt and swivel as desired (Figure TS.1).  
Remove Monitor Stand for Mounting  
To prepare the monitor for alternate mounting purposes:  
1. Disconnect all cables.  
2. Place monitor face down on a non-abrasive surface (Figure R.1).  
3. Remove the hinge cover (Figure R.1).  
4. Remove the 4 screws connecting the monitor to the stand and lift off the stand assembly (Figure R.2) the monitor is now  
ready for mounting in an alternate manner.  
5. Connect the AC cord and signal cable to the back of the monitor (Figure R.3).  
6. Reverse this process to reattach stand.  
NOTE:  
Use only VESA-compatible alternative mounting method.  
Handle with care when removing monitor stand.  
Figure TS.1  
Hinge cover  
Non-abrasive surface  
Figure R.1  
English-5  
Figure R.2  
Figure R.3  
7. This LCD monitor is designed for use with a flexible arm. Please use the attached screws (4pcs) when mounting. To meet  
the safety requirements the monitor must be mounted to an arm which guaranties the necessary stability under  
consideration of the weight of the monitor. The LCD monitor shall only be used with an approved arm (e.g. GS mark).  
Replace screws  
Thickness of bracket (arm)  
2.0 ~ 3.2 mm  
Tighten all screws  
100 mm  
100 mm  
Specifications  
4 SCREWS (M4)  
(MAX depth: 8.5 mm)  
If use other  
screw, check  
depth of hole.  
Weight of LCD assembly: 4.6kg (MAX)  
English-6  
Controls  
OSM (On-Screen-Manager) Controls  
The OSM controls on the front of the monitor function as follows:  
To access OSM press any of the control buttons (<, >, -, +, EXIT).  
Control  
EXIT  
Menu  
Exits the OSM controls.  
Exits to the OSM main menu.  
< / >  
Moves the highlighted area left/right to select control menus.  
Moves the highlighted area up/down to select one of the controls.  
- / +  
Moves the bar left/right to increase or decrease the adjustment.  
SELECT  
Active Auto Adjust function. Enter the OSM controls.  
Enter the OSM sub menu.  
RESET  
NOTE:  
Resets the highlighted control menu to the factory setting.  
When RESET is pressed in the main and sub-menu, a warning window will appear allowing you to cancel the  
RESET function by pressing the EXIT button.  
Brightness/Contrast Controls  
BRIGHTNESS  
Adjusts the overall image and background screen brightness.  
CONTRAST  
Adjusts the image brightness in relation to the background.  
AUTO ADJUST  
Adjusts the image displayed for non-standard video inputs.  
Auto Adjust  
Automatically adjusts the Image Position, the H. Size and Fine setting.  
Position Controls  
LEFT/RIGHT  
Controls Horizontal Image Position within the display area of the LCD.  
DOWN/UP  
Controls Vertical Image Position within the display area of the LCD.  
H. SIZE  
Adjusts the horizontal size by increasing or decreasing this setting.  
Should the AUTO Adjust functiondo not give you a satisfactory picture setting, a further tuning can be  
performed using the H.Sizefunction (dot clock). For this a Moiré test pattern could be used. This function  
may alter the width of the picture. Use Left/Right Menu to center the image on the screen. If the H.Size is  
wrongly calibrated, the result would look like on the left drawing. The image should be homogeneous.  
When H.SIZE value is  
wrong.  
When H.SIZE value is  
improved.  
When H.SIZE value is  
correct.  
English-7  
FINE  
Improves focus, clarity and image stability by increasing or decreasing this setting.  
Should the Auto Adjust functionand the H.Sizefunction do not give you a satisfactory picture setting, a  
fine tuning can be performed using the Finefunction. It improves focus, clearity and image stability by  
increasing or decreasing this setting.  
For this a Moiré test pattern could be used. If the Fine value is wrongly calibrated, the result would look like  
on the left drawing. The image should be homogeneous.  
When FINE value is  
wrong.  
When FINE value is  
correct.  
Colour Control Systems  
Six colour presets select the desired colour setting (sRGB and NATIVE colour presets are standard and  
cannot be changed).  
R, G, B  
Increases or decreases Red, Green or Blue colour depending upon which is selected. The change in colour  
will appear on screen and the direction (increase or decrease) will be shown by the bars.  
sRGB  
sRGB mode dramatically improves the colour fidelity in the desktop environment by a single standard RGB  
colour space. With this colour supported environment, the operator could easily and confidently  
communicate colours without further colour management overhead in the most common situations.  
NATIVE  
Original colour presented by the LCD panel that is unadjustable.  
Tools  
LANGUAGE  
OSM control menus are available in seven languages.  
OSM POSITION  
You can choose where you would like the OSM control image to appear on your screen. Selecting OSM  
Location allows you to manually adjust the position of the OSM control menu left, right, down or up.  
OSM TURN OFF  
The OSM control menu will stay on as long as it is use. In the OSM Turn Off submenu, you can select how  
long the monitor waits after the last touch of a button to shut off the OSM control menu. The preset choices  
are 10, 20, 30, 45, 60 and 120 seconds.  
OSM LOCK OUT  
This control completely locks out access to all OSM control functions without Brightness and Contrast.  
When attempting to activate OSM controls while in the Lock Out mode, a screen will appear indicating the  
OSM controls are locked out. To activate the OSM Lock Out function, press SELECT, then +key and hold  
down simultaneously. To de-activate the OSM Lock Out, press SELECT, then +key and hold down  
simultaneously.  
RESOLUTION NOTIFIER  
This optimal resolution is 1280 x 1024. If ON is selected, a message will appear on the screen after  
30 seconds, notifying you that the resolution is not at 1280 x 1024.  
HOT KEY  
You can adjust the brightness and contrast directly. When this function is set to ON, you can adjust the  
contrast with + or -, brightness with < or > key, while the OSM menu is off. The standard OSM menu can  
be accessed with the EXIT button.  
OFF TIMER  
Monitor will automatically power-down when the end user has selected a pre-determined amount of time.  
English-8  
FACTORY PRESET  
Selecting Factory Preset allows you to reset all OSM control settings back to the factory settings. The  
RESET button will need to be held down for several seconds to take effect. Individual settings can be reset  
by highlighting the control to be reset and pressing the RESET button.  
Information  
DISPLAY MODE  
Indicates the current display resolution and frequency setting of the monitor.  
MONITOR INFO.  
Indicates the model and serial numbers of your monitor.  
OSM Warning  
OSM Warning menus disappear with Exit button.  
NO SIGNAL: This function gives a warning when there is no signal present. After power is turned on or  
when there is a change of input signal or video is inactive, the No Signal window will appear.  
RESOLUTION NOTIFIER: This function gives a warning of use with optimized resolution. After power is  
turned on or when there is a change of input signal or the video signal doesnt have proper resolution, the  
Resolution Notifier window will open. This function can be disabled in the TOOL menu.  
OUT OF RANGE: This function gives a recommendation of the optimized resolution and refresh rate. After  
the power is turned on or there is a change of input signal or the video signal doesnt have proper timing,  
the Out Of Range menu will appear.  
English-9  
Recommended use  
Safety Precautions and Maintenance  
FOR OPTIMUM PERFORMANCE, PLEASE NOTE  
THE FOLLOWING WHEN SETTING UP AND  
USING THE LCD COLOUR MONITOR:  
DO NOT OPEN THE MONITOR. There are no user serviceable parts inside and opening or removing covers may expose  
you to dangerous shock hazards or other risks. Refer all servicing to qualified service personnel.  
Do not spill any liquids into the cabinet or use your monitor near water.  
Do not insert objects of any kind into the cabinet slots, as they may touch dangerous voltage points, which can be harmful  
or fatal or may cause electric shock, fire or equipment failure.  
Do not place any heavy objects on the power cord. Damage to the cord may cause shock or fire.  
Do not place this product on a sloping or unstable cart, stand or table, as the monitor may fall, causing serious damage to  
the monitor.  
Do not place any objects onto the monitor and do not use the monitor outdoors.  
The inside of the flourescent tube located within the LCD monitor contains mercury. Please follow the bylaws or rules of  
your municipality to dispose of the tube properly.  
Immediately unplug your monitor from the wall outlet and refer servicing to qualified service personnel under the following  
conditions:  
When the power supply cord or plug is damaged.  
If liquid has been spilled, or objects have fallen into the monitor.  
If the monitor has been exposed to rain or water.  
If the monitor has been dropped or the cabinet damaged.  
If the monitor does not operate normally by following operating instructions.  
Do not bend power cord.  
Do not use monitor in high temperatured, humid, dusty, or oily areas.  
Do not cover vent on monitor.  
If monitor is broken, do not come in contact with the liquid crystal.  
If glass is broken. Handle with care.  
Allow adequate ventilation around the monitor so that heat can properly dissipate. Do not block  
ventilated openings or place the monitor near a radiator or other heat sources. Do not put anything on  
top of monitor.  
CAUTION  
The power cable connector is the primary means of detaching the system from the power supply. The  
monitor should be installed close to a power outlet which is easily accessible.  
Handle with care when transporting. Save packaging for transporting.  
Image Persistence: Image persistence is when a residual or ghostimage of a previous image remains visible on the  
screen. Unlike CRT monitors, LCD monitorsimage persistence is not permanent, but constant images being displayed for  
a long period of time should be avoided.  
To alleviate image persistence, turn off the monitor for as long as the previous image was displayed. For example, if an  
image was on the monitor for one hour and a residual image remains, the monitor should be turned off for one hour to  
erase the image.  
NOTE: As with all personal display devices, NEC-Mitsubishi Electronics Display-Europe recommends using a moving  
screen saver at regular intervals whenever the screen is idle or turning off the monitor when not in use.  
CORRECT PLACEMENT AND ADJUSTMENT OF THE MONITOR CAN  
REDUCE EYE, SHOULDER AND NECK FATIGUE. CHECK THE  
FOLLOWING WHEN YOU POSITION THE MONITOR:  
For optimum performance, allow 20 minutes for warm-up.  
Adjust the monitor height so that the top of the screen is at or slightly below eye level.  
Your eyes should look slightly downward when viewing the middle of the screen.  
Position your monitor no closer than 40 cm and no further away than 70 cm from your  
eyes. The optimal distance is 50 cm.  
Rest your eyes periodically by focusing on an object at least 6 m away. Blink often.  
Position the monitor at a 90° angle to windows and other light sources to minimize glare  
and reflections. Adjust the monitor tilt so that ceiling lights do not reflect on your screen.  
If reflected light makes it hard for you to see your screen, use an antiglare filter.  
Clean the LCD monitor surface with a lint-free, non-abrasive cloth. Avoid using any  
cleaning solution or glass cleaner!  
Adjust the monitors brightness and contrast controls to enhance readability.  
Use a document holder placed close to the screen.  
English-10  
Position whatever you are looking at most of the time (the screen or reference material) directly in front of you to minimize  
turning your head while you are typing.  
Get regular eye checkups.  
Ergonomics  
To realize the maximum ergonomics benefits, we recommend the following:  
Use the preset Size and Position controls with standard signals.  
Use the preset Colour Setting.  
Use non-interlaced signals with a vertical refresh rate between 60-75 Hz.  
Do not use primary colour blue on a dark background, as it is difficult to see and may produce eye fatigue to insufficient  
contrast.  
Specifications  
Monitor Specifications  
LCD1701 (L172EN) Monitor  
Diagonal: 43.2 cm/17 inches  
Viewable Image Size: 43.2 cm/17 inches  
Native Resolution (Pixel Count): 1280 x 1024  
Notes  
LCD Module  
Active matrix; thin film transistor (TFT)  
liquid crystal display (LCD); 0.264 mm  
dot pitch; 250cd/m2 white luminence,  
typical; 450:1 contrast ratio, typical.  
Input Signal  
Video: ANALOG 0.7 Vp-p/75 Ohms  
Sync: Separate sync.TTL Level  
Horizontal sync. Positive/Negative  
Vertical sync. Positive/Negative  
Composite sync. Positive/Negative*3  
Sync on Green (Video 0.7 Vp-p and Sync. 0.3 Vp-p)*3  
Display Colours  
Analog input: 16,194,277  
Depends on display card used.  
Synchronization Range  
Horizontal: 31.5 kHz to 81.1 kHz  
Vertical: 56.0 Hz to 75.0 Hz  
Automatically  
Automatically  
Viewing Angle  
Left/Right: 70°/70° (Contrast Ratio 10:1), 80°/80° (Contrast Ratio 5:1)  
Up/Down: 60°/60° (Contrast Ratio 10:1), 65°/75° (Contrast Ratio 5:1)  
Resolutions Supported  
720 x 400*1 : VGA text  
Some systems may not  
support all modes listed.  
640 x 480*1 at 60 Hz to 75 Hz  
800 x 600*1 at 56 Hz to 75 Hz  
832 x 624*1 at 75 Hz  
1024 x 768*1 at 60 Hz to 75 Hz  
1152 x 870*1 at 75 Hz  
1280 x 1024*2 at 60 Hz to 75 Hz  
Active Display Area  
Horizontal: 338 mm/13.3 inches  
Dependent upon signal timing.  
Vertical: 270 mm/10.6 inches  
100 - 240 V ~ 50/60 Hz  
0.7 - 0.36 A  
Power Supply  
Current Rating  
Dimensions  
374.0 mm (W) x 383.6 mm (H) x 196.0 mm (D)  
14.7 inches (W) x 15.1 inches (H) x 7.7 inches (D)  
Weight  
5.8 kg (12.8 lbs)  
Environmental Considerations  
Operating Temperature: 5 °C to 35 °C  
Humidity: 30% to 80%  
Altitude: 0 to 3,000 m  
Storage Temperature: -10 °C to +60 °C  
Humidity: 10% to 85%  
Altitude: 0 to 9,000 m  
*1 Interpolated Resolutions: When resolutions are shown that are lower than the pixel count of the LCD module, text may appear different. This is  
normal and necessary for all current flat panel technologies when displaying non-native resolutions full screen. In flat panel technologies, each dot on  
the screen is actually one pixel, so to expand resolutions to full screen, an interpolation of the resolution must be done.  
*2 NEC-Mitsubishi Electronics Display cites recommended resolutions at 60 Hz for optimal display performance.  
*3 If your display is not showing a picture for the SOG and Composite Sync. Signal, please contact our hotline for further assistance.  
NOTE:  
Technical specifications are subject to change without notice.  
English-11  
Features  
Reduced Footprint: Provides the ideal solution for environments requiring superior image quality but with size and weight  
limitations. The monitors small footprint and low weight allow it to be moved or transported easily from one location to another.  
sRGB Colour Control: A new optimized colour management standard which allows for colour matching on computer displays  
and other peripherals. The sRGB, which is based on the calibrated colour space, allows for optimal colour representation and  
backward compatibility with other common colour standards.  
OSM (On-Screen Manager) Controls: Allow you to quickly and easily adjust all elements of your screen image via simple to  
use on-screen menus.  
No-touch Auto Adjust: No-touch auto adjust automatically adjusts the monitor to optimal settings upon initial setup.  
ErgoDesign® Features: Enhance human ergonomics to improve the working environment, protect the health of the user and  
save money. Examples include OSM controls for quick and easy image adjustments, tilt base for preferred angle of vision,  
small footprint and compliance with MPRII and TCO guidelines for lower emissions.  
Plug and Play: The Microsoft solution with the Windows 95/98/Me/2000/XP operating system facilitates setup and installation  
by allowing the monitor to send its capabilities (such as screen size and resolutions supported) directly to your computer,  
automatically optimizing display performance.  
IPM (Intelligent Power Manager) System: Provides innovative power-saving methods that allow the monitor to shift to a  
lower power consumption level when on but not in use, saving two-thirds of your monitor energy costs, reducing emissions  
and lowering the air conditioning costs of the workplace.  
Multiple Frequency Technology: Automatically adjusts monitor to the display cards scanning frequency, thus displaying the  
resolution required.  
FullScan Capability: Allows you to use the entire screen area in most resolutions, significantly expanding image size.  
VESA Standard Mounting Interface: Allows users to connect their monitor to any VESA standard (100 mm pitch) third party  
mounting arm or bracket. Allows for the monitor to be mounted on a wall or an arm using any third party compliant device.  
English-12  
Troubleshooting  
No picture  
The signal cable should be completely connected to the display card/computer.  
The display card should be completely seated in its slot.  
Check the Vacation Switch should be in the ON Position. Front power Switch and computer power switch should be in  
the ON position.  
Check to make sure that a supported mode has been selected on the display card or system being used.  
(Please consult display card or system manual to change graphics mode.)  
Check the monitor and your display card with respect to compatibility and recommended settings.  
Check the signal cable connector for bent or pushed-in pins.  
Power Button does not respond  
Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.  
Check the Vacation Switch on the right hand side of the monitor.  
Image persistence  
Image persistence is when a ghostof an image remains on the screen even after the monitor has been turned off.  
Unlike CRT monitors, LCD monitorsimage persistence is not permanent. To alleviate image persistence, turn the  
monitor off for as long as an image was displayed. If an image was on the monitor for one hour and a ghostof that  
image remains, the monitor should be turned off for one hour to erase the image.  
NOTE:  
As with all personal display devices, NEC-Mitsubishi Electronic Displays recommends using a screen saver at  
regular intervals whenever the screen is idle.  
Image is unstable, unfocused or swimming is apparent  
Signal cable should be completely attached to the computer.  
Use the OSM Image Adjust controls to focus and adjust display by increasing or decreasing the fine total. When the  
display mode is changed, the OSM Image Adjust settings may need to be readjusted.  
Check the monitor and your display card with respect to compatibility and recommended signal timings.  
If your text is garbled, change the video mode to non-interlace and use 60 Hz refresh rate.  
Message OUT OF RANGEis displayed (screen is either blank or shows rough images only)  
OSM warning OUT OF RANGEis displayed on a blank screen: Signal frequency is out of range. Choose one of the  
supported modes.  
LED on monitor is not lit (no green or amber colour can be seen)  
Power Switch should be in the ON position and power cord should be connected.  
Display image is not sized properly  
Use the OSM Image Adjust controls to increase or decrease the Coarse total.  
Check to make sure that a supported mode has been selected on the display card or system being used. (Please  
consult display card or system manual to change graphics mode.)  
No Video  
If no video is present on the screen, turn the Power button off and on again.  
Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).  
English-13  
TCO99  
Congratulations! You have just purchased a  
TCO99 approved and labeled product! Your  
choice has provided you with a product developed  
for professional use. Your purchase has also  
contributed to reducing the burden on the  
Lead**  
Lead can be found in picture tubes, display screens, solders and  
capacitors. Lead damages the nervous system and in higher  
doses, causes lead poisoning.  
TCO99 requirement permits the inclusion of lead since no  
replacement has yet been developed.  
environment and also to the further development  
of environmentally adapted electronics products.  
Cadmium**  
Why do we have environmentally labelled computers?  
Cadmium is present in rechargeable batteries and in the  
colourgenerating layers of certain computer displays. Cadmium  
damages the nervous system and is toxic in high doses.  
TCO99 requirement states that batteries, the colourgenerating  
layers of display screens and the electrical or electronics  
components must not contain any cadmium.  
In many countries, environmental labelling has become an  
established method for encouraging the adaptation of goods and  
services to the environment. The main problem, as far as  
computers and other electronics equipment are concerned, is that  
environmentally harmful substances are used both in the products  
and during the manufacturing. Since it has not been possible for  
the majority of electronics equipment to be recycled in a  
satisfactory way, most of these potentially damaging substances  
sooner or later enter Nature.  
There are also other characteristics of a computer, such as energy  
consumption levels, that are important from the viewpoints of both  
the work (Internal) and natural (external) environments. Since all  
methods of conventional electricity generation have a negative  
effect on the environment (acidic and climate-influencing  
emissions, radioactive waste, etc.), it is vital to conserve energy.  
Electronics equipment in offices consume an enormous amount of  
energy since they are often left running continuously.  
Mercury**  
Mercury is sometimes found in batteries, relays and switches,  
Mercury damages the nervous system and is toxic in high doses.  
TCO99 requirement states that batteries may not contain any  
Mercury. It also demands that no mercury is present in any of  
the electrical or electronics components associated with the  
display unit.  
CFCs (freons)  
CFCs (freons) are sometimes used for washing printed circuit  
boards. CFCs break down ozone and thereby damage the ozone  
layer in the stratosphere, causing increased reception on Earth  
of ultraviolet light with consequent increased risks of skin cancer  
(malignant melanoma).  
The relevant TCO99 requirement; Neither CFCs nor HCFCs  
may be used during the manufacturing and assembly of the  
product or its packaging.  
What does labelling involve?  
This product meets the requirements for the TCO99 scheme  
which provides for international and environmental labelling of  
personal computers. The labelling scheme was developed as a  
joint effort by the TCO (The Swedish Confederation of Professional  
Employees), Svenska Naturskyddsforeningen (The Swedish  
Society for Nature Conservation) and Statens Energimyndighet  
(The Swedish National Energy Administration).  
The requirements cover a wide range of issues: environment,  
ergonomics, usability, emission of electrical and magnetic fields,  
energy consumption and electrical and fire safety.  
The environmental demands concern restrictions on the presence  
and use of heavy metals, brominated and chlorinated flame  
retardants, CFCs (freons) and chlorinated solvents, among other  
things. The product must be prepared for recycling and the  
manufacturer is obliged to have an environmental plan which must  
be adhered to in each country where the company implements its  
operational policy. The energy requirements include a demand that  
the computer and/or display, after a certain period of inactivity,  
shall reduce its power consumption to a lower level in one or more  
stages. The length of time to reactivate the computer shall be  
reasonable for the user.  
*Bio-accumulative is defined as substances which accumulate  
within living organisms.  
**Lead, Cadmium and Mercury are heavy metals which are  
Bio-accumulative.  
To obtain complete information on the environmental criteria  
document, order from:  
TCO Development Unit  
SE-114 94 Stockholm  
SWEDEN  
FAX Number: +46 8 782 92 07  
E-mail (Internet): [email protected]  
You may also obtain current information on TCO99 approved  
and labelled products by visiting their website at:  
Labelled products must meet strict environmental demands, for  
example, in respect of the reduction of electric and magnetic fields,  
physical and visual ergonomics and good usability.  
Environmental Requirements  
Flame retardants  
Flame retardants are present in printed circuit boards, cables,  
wires, casings and housings. In turn, they delay the spread of fire.  
Up to thirty percent of the plastic in a computer casing can consist  
of flame retardant substances. Most flame retardants contain  
bromine or chloride and these are related to another group of  
environmental toxins, PCBs, which are suspected to give rise to  
severe health effects, including reproductive damage in fisheating  
birds and mammals, due to the bioaccumulative* processes.  
Flame retardants have been found in human blood and  
researchers fear that disturbances in foetus development may  
occur.  
TCO99 demand requires that plastic components weighing more  
than 25 grams must not contain flame retardants with organically  
bound chlorine and bromine. Flame retardants are allowed in the  
printed circuit boards since no substitutes are available.  
English-14  

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