Mitsubishi Electronics 230SB User Manual

User’s Manual  
Declaration  
Declaration of the Manufacturer  
We hereby certify that the colour monitor  
Diamond Plus 230SB is in compliance with  
Council Directive 73/23/EEC:  
EN 60950  
Council Directive 89/336/EEC:  
EN 55022  
EN 61000-3-2  
EN 61000-3-3  
EN 55024  
and marked with  
NEC-Mitsubishi Electric Visual  
Systems Corporation  
4-13-23, Shibaura,  
Minato-Ku  
Tokyo 108-0023, JAPAN  
VCCI Statement  
English-1  
Safety Instruction  
WARNING  
TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. ALSO, DO NOT  
USE THIS UNITS POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLETS UNLESS  
THE PRONGS CAN BE FULLY INSERTED.  
REFRAIN FROM OPENING THE CABINET AS THERE ARE HIGH VOLTAGE COMPONENTS INSIDE. REFER  
SERVICING TO QUALIFIED SERVICE PERSONNEL.  
CAUTION  
RISK OF ELECTRIC SHOCK DO NOT OPEN  
CAUTION:  
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER  
SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
This symbol warns user that uninsulated voltage within the unit may have sufficient magnitude to cause  
electric shock. Therefore, it is dangerous to make any kind of contact with any part inside this unit.  
This symbol alerts the user that important literature concerning the operation and maintenance of this unit  
has been included. Therefore, it should be read carefully in order to avoid any problems.  
Canadian Department of Communications Compliance Statement  
DOC: This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
C-UL: Bears the C-UL Mark and is in compliance with Canadian Safety Regulations according to CSA C22.2 #950.  
FCC Information  
1. Use the attached specified cables with the Diamond Plus 230SB colour monitor so as not to interfere with radio and television  
reception.  
(1) Please use the supplied power cable or equivalent to ensure FCC compliance.  
(2) Shielded video type signal cable.  
Use of other cables and adapters may cause interference with radio and television reception.  
2. ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice, pursuanttopart15oftheFCCRules.  
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.  
No user serviceable parts inside. Do not attempt to modify this equipment. If modified, your authority to operate this equipment might  
be voided by FCC.  
®
ENERGY STAR is a U.S. registered trademark. All other brands and product names are trademarks or registered trademarks of  
their respective owners.  
As an ENERGY STAR Partner, NEC-Mitsubishi Electric Visual Systems Corporation has determined that this product meets the  
ENERGY STAR guidelines for energy efficiency.  
The ENERGY STAR emblem does not represent EPA endorsement of any product or service.  
All other trademarks mentioned in this manual are the property of their respective owners.  
English-2  
Contents  
Your new Diamond Plus 230SB monitor box* should contain the following:  
Diamond Plus 230SB Monitor with tilt/swivel base  
Power cord  
Video Signal Cable (VGA - VGA)  
Users Manual  
Sales Office List  
CD-ROM:  
Includes complete Users Manual in PDF format and Windows related files (INF file and colour profile). To see the complete  
Users Manual, Acrobat Reader 4.0 must be installed at your PC.  
Users Manual  
CD-ROM  
Sales Office List  
Video Signal Cable  
(VGA VGA)  
Power Cord  
*
Remember to save your original box and packing material to transport or ship the monitor.  
English-3  
Quick Start  
To attach the Diamond Plus 230SB monitor to your system, follow these instructions:  
1. Turn off the power to your computer.  
2. If necessary, install the display card into your system. For more information, refer to the display card manual.  
3. For the PC: Connect one end of the signal cable to the connector of the display card in your system (Figure A.1).  
Tighten all screws.  
For the Mac: Connect the Macintosh cable adapter (not included) to the computer (Figure B.1).  
Attach one end of the signal cable to the Macintosh cable adapter (Figure B.1).  
NOTE: Some Macintosh systems do not require a Macintosh cable adapter.  
4. Connect the other end of signal cable connector on the back of the monitor.  
NOTE: Incorrect cable connections may result in irregular operation, damage display quality/components of CRT monitor.  
5. The Windows® 95/98/2000/Me/XP INF file for your monitor can be found on the CD-ROM, delivered with the monitor.  
6. Connect one end of the power cord to the AC inlet on the back of the monitor and the other end to the power outlet  
(Figure C.1).  
7. Turn on the monitor (Figure D.1).  
8. Turn on the Computer.  
NOTE: If you have any problems, please refer to the Troubleshooting section of this Users Manual.  
Mac Adapter  
(not included)  
Figure A.1  
Figure B.1  
Power Outlet  
Power Button  
Power Cord  
Power Indicator  
Figure D.1  
Figure C.1  
English-4  
Controls  
OSM (On-Screen Manager) control buttons on the front of the monitor function as follows:  
Main Menu  
Sub-Menu  
EXIT  
Exits the OSM menu.  
Exits to the OSM controls main menu.  
NOTE:  
Deactivates the OSM menu and activates the OSM menu when the OSM is  
turned off.  
Moves the highlighted area left/right to  
select one of the sub-menu.  
Moves the highlighted area left/right to  
select one of the controls.  
CONTROL  
/
NOTE:  
When the OSM menu is off, it acts as a Hot key for Brightness.  
CONTROL -/+  
Has no function.  
Moves the bar in the or + direction to  
decrease or increase the adjustment.  
NOTE:  
Deactivates the OSM menu and to adjust Contrast with Hot key set ON”  
Has no function.  
SELECT/  
SB MODE  
Enters sub-menu.  
When the OSM is off, it will act as the SuperBright (SB) function key. User can select between SB  
MODE OFF, SB MODE1, and SB MODE2. The first time this key is pressed, the current SB Mode is  
indicated. Within a 3 second window, if this key is selected again, the SB MODE will change to the  
next SB MODE. For example, the current mode is SB MODE OFF, the key is pressed twice within a  
3 second time frame, the SB MODE will change to SB MODE1 and so on. The colour temperature  
at each SB Mode is adjusted by appropriate colour control except for the sRGB mode whose colour  
setting cannot be adjusted. When the unit is turned off, it will reset to SB off mode.  
Super Bright Mode OFF: for text based images (normal use)  
Super Bright Mode-1 ON: for images  
Super bright Mode-2 ON: for moving image such as DVD movies  
RESET  
Resets all the controls within the  
highlighted menu to the factory  
setting.  
Resets the highlighted control to the  
factory setting.  
NOTE:  
When RESET is pressed in the main and sub-menu, a warning window will appear  
allowing you to select the reset function.  
Brightness/Contrast Controls  
Brightness: Adjusts the overall image and background screen brightness.  
Contrast: Adjusts the image brightness in relation to the background.  
Degauss: Eliminates the build-up of stray magnetic fields which alter the correct scan of the electron beams and affect the  
purity of the screen colours, focus, and convergence. When activated, your screen image will jump and waver a bit as the  
screen is demagnetised.  
NOTE:  
Please allow a minimum of 20 minutes to elapse between uses of the Degauss function.  
Constant Brightness: Sustains the brightness and screen colour levels consistently over the normal life of the monitor.  
The Constant Brightness function requires a 30 minute warm-up of the monitor before the feature is fully functional.  
Size and Position Controls  
AutoAdjust: Automatically adjust the horizontal and vertical size and position settings for applicable timings.  
NOTE:  
AutoAdjust is unavailable with no image signal or narrow size of image signal input.  
Left/Right: Moves the image horizontally (left or right).  
Down/Up: Moves the image vertically (up or down).  
Narrow/Wide: Decreases or increases the horizontal size of the image.  
Short/Tall: Decreases or increases the vertical size of the image.  
English-5  
Colour Control/Colour Control System  
Colour presets 1 through 5 selects the desired colour setting. The bar is replaced by the colour setting choice from 1, 2, 3,  
sRGB, 5. Each colour setting is adjusted at the factory to the stated Kelvin. If a setting is adjusted, the name of the setting will  
change from Kelvin to Custom.  
NOTE:  
sRGB does not allow you to adjust each colour.  
Red, Green, Blue: Colour Control System decreases or increases the monitors red, green or blue colour guns depending  
upon which is selected. The change in colour will appear on screen and the direction (decrease or increase) will be shown by  
the bars.  
sRGB Mode: sRGB mode provides the suitable colour managed picture image.You can not change Red, Green and Blue  
colours individually.  
NOTE:  
In this mode Colour Control, Brightness and Contrast are not adjustable.  
Geometry Controls  
Geometry Controls Menu  
The Geometry controls allow you to adjust the curvature or angle of the sides of your display.  
In/Out (pincushion): Decreases or increases the curvature of the sides either inward or outward.  
Left/Right (pincushion balance): Decreases or increases the curvature of the sides either to the left or right.  
Tilt (parallelogram): Decreases or increases the tilt of the sides either to the left or right.  
Align (trapezoidal): Decreases or increases the bottom of the screen to be the same as the top.  
Rotate (raster rotation): Rotates the entire display clockwise or counterclockwise.  
Corner Correction: Allows you to adjust the geometry of the corners of your display Top, Top Balance, Bottom or Bottom  
Balance.  
Tools 1  
Moiré Canceler: Moiré is a wavy pattern which can sometimes appear on the screen. The pattern is repetitive and  
superimposed as rippled images. When running certain applications, the wavy pattern is more evident than in others. To  
reduce moiré, adjust the level by using -/+control buttons.  
Basic Convergence: Aligns all three colours (R,G,B) to form a single colour (white). The purpose of this control is to ensure  
that a white line drawn on the screen is as crisp and clear as possible.  
Use the CONVERGENCE (HOR.) to adjust the alignment of the white lines in the left/right direction.  
Use the CONVERGENCE (VER.) to adjust the alignment of the white lines in the up/down direction.  
Linearity: This selection allows you to adjust the spacing of the area on the screen. The purpose of this control is to ensure  
that a one-inch circle is a true one-inch circle wherever it is on the screen. The best way to determine the vertical linearity is as  
follows:  
Draw equally spaced horizontal lines using a drawing application that has a ruler.  
Use the Vertical Balance control to adjust the lines near the top and bottom of your screen.  
Use the LINEARITY (VER.) to adjust the spacing between the lines near the centre and top of your screen.  
GlobalSync Control: Eliminates picture impurities that may result from the earths magnetic field. While in the sub-menus  
(GLOBALSYNC, TOP LEFT, TOP RIGHT, BOTTOM LEFT or BOTTOM RIGHT), use the /+ control buttons to fine tune the  
GlobalSync corrections.  
NOTE:  
Mitsubishi recommends that you perform GlobalSync correction while running a typical application such as a  
spreadsheet or text document.  
English-6  
Tools 2  
Language: OSM controls menus are available in six languages.  
OSM Position: You can choose where you would like the OSM controls menu to appear on your screen. Selecting OSM  
Position allows you to manually adjust the OSM controls menu left, right, up or down.  
OSM Turn Off: The OSM controls menu will stay on as long as it is in use. In the OSM Turn Off sub-menu, you can select how  
long the monitor waits after the last touch of a button for the OSM controls menu to disappear. The preset choice is in 5  
seconds step between 5120 seconds.  
OSM Lock Out: This control completely locks out access to all OSM controls functions except Brightness and Contrast. When  
attempting to activate OSM controls while in the lock out mode, a screen will appear indicating that OSM controls are locked  
out. To activate the OSM Lock Out function, press SELECT, then press + and hold down simultaneously. To deactivate the  
OSM Lock Out, press SELECT, then press + and hold down simultaneously.  
IPM System Off Mode:  
Enable: The IPM System works normally and all stages of energy savings are utilised.  
Disable: The Off Mode of the IPM System is not used.  
NOTE:  
NOTE:  
For standard systems and graphics boards, keep the factory setting at ENABLE.  
Dont keep the monitor on when No Signalis applied. This could cause image burn in on the screen due to the No  
Signalmessage being displayed.  
EdgeLock Control: Operating your monitor at a non-standard timing may cause images to appear darker than normal or have  
colour distortion. Use of the EdgeLock control will adjust images to their normal state.  
Hot Key: This selection allows you to use  
/
as brightness control and /+ as contrast control.  
Factory Preset: Selecting Factory Preset allows you a reset most OSM control settings back to the factory settings. A warning  
statement will appear to confirm that you do want to reset ALL settings. Individual settings can be reset by highlighting the  
control to be reset and pressing the RESET button.  
Information  
Display Mode: Indicates the current mode and frequency setting of the monitor.  
Monitor Info: Indicates the model and serial numbers of your monitor.  
Refresh Notifier: A message will advise you if the refresh rate of the signal being applied to the monitor by the computer is  
too low. For further information, please refer to your display card or system manual.  
English-7  
Recommended use  
Safety Precautions and Maintenance  
FOR OPTIMUM PERFORMANCE, PLEASE NOTE THE  
FOLLOWING WHEN SETTING UP AND USING THE  
DIAMOND PLUS 230SB 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.  
Keep the monitor away from high capacity transformers, electric motors and other devices such as external speakers or  
fans, which may create strong magnetic fields.  
If possible, position the monitor so that it is facing the east to minimise the effects of the earths magnetic field.  
Changing the direction of the monitor while it is powered on may cause image discolouration. To correct this, turn the  
monitor off for 20 minutes before powering it back on.  
When operating the Diamond Plus 230SB with its AC 100-120/220-240V worldwide power supply, use a power supply cord  
that matches the power supply voltage of the AC power outlet being used. The power supply cord you use must have  
been approved by and comply with the safety standards of your country. (Type H05VV-F 3G 0.7 mm2 should be used in  
Europe)  
In UK, use a BS-approved power cord with molded plug having a black (5A) fuse installed for use with this monitor. If a  
power cord is not supplied with this monitor, please contact your supplier.  
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.  
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.  
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.  
CAUTION  
Handle with care when transporting. Save packaging for transporting.  
CORRECT PLACEMENT AND ADJUSTMENT OF THE MONITOR  
CAN REDUCE EYE, SHOULDER AND NECK FATIGUE. CHECK  
THE FOLLOWING WHEN YOU POSITION THE MONITOR:  
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 60 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 minimise  
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 anti-glare filter.  
English-8  
Clean your monitor  
A special coating is provided on the glass (CRT) surface of this monitor to reduce a reflection and static electricity on the  
glass surface.  
Due to the delicate coating on the glass surface, use a lint-free, nonabrasive cloth (cotton or equivalent) and a non-alcohol,  
neutral, nonabrasive cleaning solution to minimise dust. If the screen requires more than a light cleaning, apply water or  
soften neutral detergent with much water directly to a soft cloth and use it upon wringing water, to clean the glass surface.  
CAUTION: The following agents will cause damage to the CRT when cleaning the glass surface: Benzene, thinner, acid/  
alkaline detergent, alcohol deter-gent, detergent with abrasive powder, detergent with antistatic agent, detergent for  
cleaning.  
Adjust the monitors brightness and contrast controls to enhance readability.  
Use a document holder placed close to the screen.  
Position whatever you are looking at most of the time (the screen or reference material) directly in front of you to minimise  
turning your head while you are typing.  
Get regular eye checkups.  
Ergonomics  
To realise the maximum ergonomics benefits,we recommend the following:  
Adjust the Brightness until the background raster disappears  
Do not position the Contrast control to its maximum setting  
Use the preset Size and Position controls with standard signals  
Use the preset Colour Setting and Sides Left/Right controls  
Use non-interlaced signals with a vertical refresh rate between 75-160Hz  
Do not use primary colour blue on a dark background, as it is difficult to see and may produce eye fatigue due to  
insufficient contrast  
English-9  
Specifications  
Monitor Specifications  
Diamond Plus 230SB Monitor  
Diagonal: 22 inch/550 mm  
Viewable Image Size: 20 inch/508 mm  
Notes  
Picture Tube  
90° deflection, 0.24 mm grille pitch,  
medium short persistence phosphor,  
aperture grille CRT, G-WARAS coating  
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. (Negative) (TTL Level)  
Display Colours  
Analog input: Unlimited number of Colours  
Depends on display card used.  
Synchronization Range  
Horizontal: 30 kHz to 115 kHz  
Vertical: 50 Hz to 160 Hz  
Automatically  
Automatically  
Resolutions Supported  
Resolution based on horizontal and  
vertical frequencies only  
640 x 480 @ 50 to 160 Hz  
Some systems may not support all  
modes listed.  
800 x 600 @ 50 to 160 Hz  
1024 x 768 @ 50 to 138 Hz  
1280 x 1024 @ 50 to 105 Hz  
1600 x 1200 @ 50 to 91 Hz ...................... NEC-Mitsubishi Electronics Display cites  
1800 x 1350 @ 50 to 81 Hz  
1800 x 1440 @ 50 to 76 Hz  
1856 x 1392 @ 50 to 79 Hz  
1920 x 1440 @ 50 to 76 Hz  
recommended resolution a 85 Hz for  
optimal display performance.  
Active Display Area  
(Factory Setting)  
Horizontal: 396 mm/15.6 inches  
Vertical: 297 mm/11.7 inches  
Dependent upon signal timing used, and  
does not include border area.  
Active Display Area (Full Scan)  
406 mm/16.0 inches  
304.6 mm/12.0 inches  
Dependent upon signal timing used, and  
does not include border area.  
Power Supply  
Current Rating  
Dimensions  
AC 100-120 V/220-240 V, 50/60 Hz  
1.25A @ 100-120 V / 0.6A @ 220-240 V  
495 mm (W) x 484.5 mm (H) x 471 mm (D)  
19.5 inches (W) x 19.1 inches (H) x 18.5 inches (D)  
Weight  
29.0 kg  
64.0 lbs  
Environmental Considerations  
Operating Temperature: +5°C to +35°C/+41°F to +90°F  
Humidity: 10% to 90%  
Altitude: 0 m (0 ft) ~ 3,000 m (10,000 ft)  
Storage Temperature: -20°C to +60°C/-4°F to +140°F  
Humidity: 10% to 90%  
Altitude: 0 m (0 ft) ~ 15,000 m (50,000 ft)  
NOTE:  
Technical specifications are subject to change without notice.  
English-10  
Features  
Flat Aperture Grille CRT: Delivers an unparalleled viewing experience with a virtually flat image, eliminating distortion and  
reducing glare so that what you see on-screen is what you get on your printed output. The striped phosphor alignment of the  
CRT delivers superior vertical definition with improved bright-ness for more uniform image contrast.  
OptiClear Screen Surface: Reduces reflection and glare and increases contrast without sacrificing focus level, clarity or  
brightness. Along with the flat square technology CRT, a high contrast screen with 0.24 mm grille pitch delivers crisp, clean  
text and graphics.  
Dual Dynamic Beam Focus: Provides precise, continuous focus adjustments of the electron beams and optimum image  
quality, even to the far edges of the screen.  
Colour Control System: Allows you to change between five colour settings on your display to match your personal  
preference.  
OSM (On-Screen Manager) Controls: Allows you to quickly and easily adjust all elements of your screen image via simple to  
use on-screen menus.  
ErgoDesign Features: Enhances 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/swivel base for pre-ferred angle of  
vision and compliance with MPRII guidelines for lower emissions.  
Plug and Play: The Microsoft® solution with the Windows® 95/98/2000/Me/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.  
Reduced Magnetic Field Technology: Reduces magnetic and alternating electric field emissions and static electricity,  
addressing ergonomic concerns regarding potential risks from extended computer monitor use.  
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.  
GlobalSync /Corner Purity Control: Mitsubishis unique design automatically eliminates picture impurities that may result  
from stray magnetic fields (including the earths permanent magnets,etc.) and now allows you to easily adjust impurities in the  
four corners of your monitor.  
Convergence Control: Allows you to adjust the horizontal and vertical convergence ensure that a white line drawn on the  
screen is as crisp and clear as possible.  
Auto Adjust: Allows you to easily and quickly adjust and position for Non-preset timming.  
GTF Auto Adjust: Automatically adjust horizontal and vertical size and position settings according to GTF standard with the  
signal timing which Auto Adjust is not available.  
Constant Brightness: Sustains the brightness and screen colour levels consistently over the normal life of the monitor.  
SB (Super Brightness) Mode: Provides the screen brightness suitable for the screen images displayed.  
Super Bright Mode OFF: for text based images (normal use)  
Super Bright Mode-1 ON: for images  
Super bright Mode-2 ON: for moving image such as DVD movies  
English-11  
Monitor Troubleshooting  
No picture  
Display card should be completely seated in its slot.  
Power Button and computer power switch should be in the ON position.  
Signal cable should be completely connected to display card/computer.  
Check connector for bent or pushed-in pins.  
Image is scrolling or unstable  
Signal cable should be completely attached to the computer.  
Check pin assignments and signal timings of the monitor and your display card with respect to recommended timings  
and pin assignments.  
If the Macintosh cable adapter is used, check for proper connection or make sure the display card is Macintosh  
compatible and that the card is properly seated in the computer.  
LED on monitor is not lit (no green or orange colour can be seen)  
Power Switch should be in the ON position and power cord should be connected.  
Picture is fuzzy or colour looks blotchy  
If the picture is fuzzy, adjust the Moiré Canceler control. If the colour looks blotchy, adjust the Brightness, Contrast or  
GlobalSync controls, or use the EdgeLock control to change modes.  
Access the Degauss Control through OSM controls. Activate the Degauss Control.  
CAUTION: A minimum interval of 20 minutes should elapse before the Degauss Control is used a second  
time when not switching between modes.  
Picture bounces or a wavy pattern is present in the picture  
Move electrical devices that may be causing electrical interference away from the monitor.  
Edges of the display image are not square  
Use the OSM Geometry Controls to straighten the edges.  
If possible, position the front of the monitor facing east.  
Display image is not centered, too small, or too large  
Use the OSM Size and Position Controls to adjust the image.  
Thin horizontal lines appear on your screen  
Thin horizontal lines are normal for an aperture grille CRT and are not a malfunction. These are shadows from the  
damper wires used to stabilize the aperture grille and are most noticeable when the screens background is light  
(usually white).  
Black vertical lines are visible on the screen  
Thin vertical black lines on one or both sides of the screen. This minor condition is caused by grille element overlap  
which can occur during shipping.  
Position an open white window over the affected area of the screen and maximize the brightness and contrast controls.  
This will cause localized heating of the overlap which will clear in a few minutes. Be sure to readjust the brightness and  
contrast controls back to the normal viewing level after this procedure.  
Attention message displayed  
Check the inputted signal.  
NOTE:  
The attention message may display when power on the Diamond monitor. In case that  
the attention message disappear after in a little while, there is no problem at the  
inputted signal.  
Self check function  
Press any control button on the front of monitor when you see a problem on the screen.  
-
In case that all R, G and B colours are seen in the diagnosis message, the Diamond monitor has  
no problem. In case that some colour is lack in the message, the Diamond monitor has a  
problem. Contact Mitsubishi Customer Service.  
-
-
-
In case that no diagnosis message displayed with LED lit in green, power off the computer.  
Check the signal cable and computer in case that the diagnosis message displayed.  
Contact Mitsubishi Customer Service in case that the diagnosis message still does not display.  
In case that no diagnosis message displayed with LED lit in orange.  
Check the signal cable and computer.  
Move the mouse or press any key on the keyboard.  
In case that no diagnosis message displayed with LED lit in green and orange.  
Contact Mitsubishi Customer Service.  
English-12  
TCO99  
Diamond Plus 230SB  
Lead**  
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  
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.  
contributed to reducing the burden on the  
environment and also to the further development of  
environmentally adapted electronics products.  
Cadmium**  
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.  
Why do we have environmentally labelled computers?  
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).  
What does labelling involve?  
The relevant TCO99 requirement; Neither CFCs nor HCFCs  
may be used during the manufacturing and assembly of the  
product or its packaging.  
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-13  

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