Fujitsu Siemens Computers Fujitsu Siemens Standard 172E User Manual

C779 / 172 E  
Bildschirm / Moniteur / Monitor / Skärm / Beeldscherm  
BETRIEBSANLEITUNG  
OPERATING MANUAL  
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Herausgegeben von/Published by  
Fujitsu Siemens Computers GmbH  
Bestell-Nr./Order No.: A26361-K823-Z100-1-5E19  
Printed in Korea  
AG 0201 02/01  
A26361-K823-Z100-1-5E19  
Deutsch  
English  
Français  
Español  
Italiano  
C779 / 172E  
Farbbildschirm  
Color monitor  
Moniteur couleur  
Monitor de color  
Monitor a colori  
Färgskärm  
Svenska  
Nederlands  
TCO'99  
Kleurenbeeldscherm  
Betriebsanleitung  
Operating Manual  
Ausgabe Februar 2001  
February 2001 edition  
VESA, DDC und DPMS sind eingetragene Warenzeichen der Video Electronics Standards  
Association.  
Copyright ã Fujitsu Siemens Computers GmbH 2001  
Alle Rechte vorbehalten, insbesondere (auch auszugsweise) die der Übersetzung, des  
Nachdrucks, der Wiedergabe durch Kopieren oder ähnliche Verfahren.  
Zuwiderhandlungen verpflichten zu Schadenersatz.  
Alle Rechte vorbehalten, insbesondere für den Fall der Patenterteilung oder GM-Eintragung.  
Liefermöglichkeiten und technische Änderungen vorbehalten.  
Dieses Handbuch wurde erstellt von  
cognitas. Gesellschaft für Technik-Dokumentation mbH  
VESA, DDC and DPMS are registered trademarks of Video Electronics Standards  
Association.  
Copyright ã Fujitsu Siemens Computers GmbH 2001  
All rights, including rights of translation, reproduction by printing, copying or similar methods,  
even of parts are reserved.  
Offenders will be liable for damages.  
All rights, including rights created by patent grant or registration of a utility model or design,  
are reserved.  
Delivery subject to availability. Right of technical modification reserved.  
This manual was produced by  
cognitas. Gesellschaft für Technik-Dokumentation mbH  
Contents  
X-ray radiation ...........................................................................................................................5  
Notes on power management....................................................................................................6  
Connecting the monitor......................................................................................................................6  
Monitor C779.............................................................................................................................7  
Monitor 172E .............................................................................................................................7  
Operation of the monitor....................................................................................................................8  
Activating the OSD menu ..........................................................................................................8  
Exiting the OSD menu ...............................................................................................................8  
OSD menu functions .................................................................................................................9  
Technical data.................................................................................................................................12  
VESA-DDC-compatible VGA interface.....................................................................................13  
Preset operating modes...........................................................................................................13  
Pin assignment D-SUB (15-pin)...............................................................................................14  
Error handling..................................................................................................................................14  
Note:  
The information contained in this document is subject to change without notice.  
A26361-K823-Z100-1-5E19  
English  
Colour monitor C779 / 172E  
Introduction  
Your new C779 / 172E monitor supplies you with a high-quality colour image with high resolution  
and ergonomic refresh rates. It possesses a whole range of useful features and functions, e. g.:  
17" (40 cm) high-resolution CRT (0.27 mm dot pitch in the matrix)  
automatic scanning of all horizontal frequencies from 30 to 72 kHz and all refresh rates (vertical  
frequencies) from 50 to 160 Hz  
digital screen controller with microprocessor for storing 16 different display modes  
freely adjustable colour alignment for matching the screen colours to the colours of various  
input and output devices  
convenient operation via integrated OSD (On-Screen-Display) menu  
VESA-DDC compatibility  
power management for reducing power consumption by up to 95% when the computer system  
is not in use  
compliance with the latest ergonomic standards (ISO 9241-3)  
compliance with the recommendations in accordance with TCO ’99  
This Operating Manual contains important information you require to start up and run your monitor.  
The monitor interacts closely with the graphics card (screen controller) of your computer. The  
monitor processes the data supplied to it by the screen controller. The screen controller/the  
associated driver software is responsible for setting the modes (resolution and refresh rate).  
Target group  
You don't need to be an "expert" to perform the operations described here. Do, however, read the  
chapter "Important notes" in the Operating Manual of the computer and in this Operating Manual.  
In the event of any problems occurring, please contact your sales outlet or our Help Desk.  
Further information  
Details of how you set the resolution and refresh rate are provided in the documentation on your  
screen controller/the associated driver software.  
Notational conventions  
The meanings of the symbols and fonts used in this manual are as follows:  
Pay particular attention to text marked with this symbol. Failure to observe this warning  
endangers your life, destroys the device, or may lead to loss of data.  
!
Supplementary information, remarks, and tips follow this symbol.  
i
Ê
Text which follows this symbol describes activities that must be performed in the order shown.  
"Quotation marks" indicate names of chapters or terms.  
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Colour monitor C779 / 172E  
Important notes  
In this chapter you will find information regarding safety which is essential to take note of  
with your monitor.  
!
Safety  
This device complies with the relevant safety regulations for data processing equipment, including  
electronic office machines for use in an office environment. If you have any questions, contact your  
sales outlet or our Help Desk.  
If the device is brought into the installation site from a cold environment, condensation can  
form. Before operating the device, wait until it is absolutely dry and has reached approximately  
the same temperature as the installation site.  
During installation and before operating the device, observe the instructions on environmental  
conditions in the chapter "Technical data".  
To ensure adequate ventilation the monitor may only be operated with the monitor foot  
installed.  
The colour monitor must not be exposed to strong magnetic fields (e. g. caused by magnetic  
paper clip holders or loudspeakers). Strong magnetic fields could result in a permanent blotchy  
image.  
The monitor is automatically degaussed when switched on. This results in a magnetic field  
around the metal edge of the picture tube, which may damage the data on data carriers nearby.  
Therefore, never keep magnetic data carriers near the monitor.  
The device automatically sets itself to the correct voltage within the range from 100 V to 240 V.  
Ensure that the local mains voltage lies within these limits.  
The device must be installed in such a way that the user has good access to the appliance  
socket.  
The ON/OFF switch does not disconnect the device from the mains voltage. To disconnect the  
electricity supply completely, remove the power plug from the socket.  
Lay all cables so that nobody can stand on them or trip over them. When attaching the device,  
observe the relevant notes in the chapter "Connecting the monitor".  
No data transmission cable should be connected or disconnected during a thunderstorm.  
Please ensure that no objects (e. g. necklaces, paperclips etc.) or liquids can get into the  
interior of the device (this may cause an electrical shock or short circuit).  
In emergencies (e. g. damaged casing, elements or cables, penetration of liquids or foreign  
matter), switch off the unit, disconnect the power plug and contact your sales outlet or our Help  
Desk.  
Only qualified technicians should repair the device. Unauthorised opening and incorrect repair  
may greatly endanger the user (electric shock, fire risk).  
Tampering with the device, in particular adjusting the high voltage or installing a different type  
of CRT tube, may result in a large amount of X-ray radiation being emitted. Devices modified in  
this way no longer comply with their licence and may not be used.  
You may set only those resolutions and refresh rates specified in the "Technical data" chapter.  
Otherwise you may damage your monitor. If you are in any doubt, contact your sales outlet or  
our Help Desk.  
2 - English  
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Colour monitor C779 / 172E  
Keep this Operating Manual together with your device. If you pass on the device to third  
parties, you should include this manual.  
Cleaning  
Always pull out the power plug before you clean the monitor.  
Do not clean any interior parts yourself, leave this job to a service technician.  
Do not use any cleaning agents that contain abrasives or may corrode plastic.  
Ensure that no liquid will run into the system.  
Ensure that the ventilation areas of the monitor are free.  
When cleaning the surface of the screen, always use a soft, slightly damp cloth in order to  
avoid scratching the glass.  
Wipe the monitor housing with a dry cloth. If the monitor is particularly dirty, use a cloth which has  
been moistened in mild domestic detergent and then carefully wrung out.  
Transport  
When transporting the monitor ensure that it is not exposed to strong magnetic fields.  
Transport the monitor with care and only in its original packaging or another corresponding  
packaging fit to protect it against knocks and jolts.  
Above all, never drop the monitor. If the CRT is damaged, there is a risk of implosion!  
FCC Class B Compliance Statement  
The following statement applies to the products covered in this manual, unless otherwise specified  
herein. The statement for other products will appear in the accompanying documentation.  
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 and meets all requirements of the Canadian Interference-  
Causing Equipment Regulations. 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 strict 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 equipment and the receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is  
connected.  
Consult the dealer or an experienced radio/TV technician for help.  
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Colour monitor C779 / 172E  
Fujitsu Siemens Computers GmbH is not responsible for any radio or television interference caused  
by unauthorised modifications of this equipment or the substitution or attachment of connecting  
cables and equipment other than those specified by Fujitsu Siemens Computers GmbH The  
correction of interference caused by such unauthorised modification, substitution or attachment will  
be the responsibility of the user.  
The use of shielded I/O cables is required when connecting this equipment to any and all optional  
peripheral or host devices. Failure to do so may violate FCC rules.  
Important note on power cable  
To guarantee safe operation, use the cable supplied. Use the following guidelines if it is necessary  
to replace the original cable set.  
The female/male receptacles of the cord set must meet CEE-22 requirements.  
The cable has to be HAR-certified or VDE-certified. The mark HAR or VDE will appear on the  
outer sheath or on the insulation of one of the inner conductors.  
For devices which are mounted on a desk or table, type SVT or SJT cable sets may be used.  
For devices which sit on the floor, only SJT type cable sets may be used.  
The cable set must be selected according to the current rating for your device.  
Power cable for devices distributed in the US and Canada  
In the United States and Canada the cord set must also be UL-listed and CSA-labelled. The voltage  
rating should be min. 250 volts a.c.  
Please consult the following table for the selection criteria for power cables used in the United  
States and Canada.  
Cable type  
SJT  
Size of conductors in cable  
Maximum current rating of the device  
18 AWG  
16 AWG  
14 AWG  
10 Amps  
12 Amps  
12 Amps  
SVT  
18 AWG  
17 AWG  
10 Amps  
12 Amps  
For the United Kingdom  
Should the plug on the flexible cord not be of the type for your socket outlets, do not use an adapter  
but remove the plug from the cord and discard. Carefully prepare the end of the supply cord and fit a  
suitable plug.  
WARNING  
THIS APPLIANCE MUST BE EARTHED  
IMPORTANT  
The wires in this mains lead are coloured in accordance with the following code:  
Green and Yellow:  
Blue:  
Earth  
Neutral  
Live  
Brown:  
4 - English  
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Colour monitor C779 / 172E  
As the colours of the wires in the mains lead of this appliance may not correspond with the coloured  
markings identifying the terminals in your plug, proceed as follows:  
The wire which is coloured Green and Yellow must be connected to the terminal in the plug  
which is marked with the letter E or by the earth symbol or coloured Green or Green and  
Yellow.  
The wire which is coloured Blue must be connected to the terminal which is marked with the  
letter N or coloured Black.  
The wire which is coloured Brown must be connected to the terminal which is marked with the  
letter L or coloured Red.  
Energy Star Guidelines  
The Fujitsu Siemens Computers colour monitor C779 / 172E is designed to  
conserve electricity by dropping to less than 15 W when it goes into  
suspend mode and to less than 5 W when it goes into OFF mode. With this  
new power management the C779 / 172E qualifies for the U.S.  
Environmental Protection Agency's (EPA) Energy Star Computers award.  
The EPA estimates that computer equipment uses 5% percent of all business electricity and it is  
growing rapidly. If all desktop computers and peripherals enter a low-power mode when not in use,  
the overall savings in electricity could amount to $ 2 thousand million annually. These savings could  
also prevent the emission of 20 million tons of carbon dioxide into the atmosphere - the equivalent of  
5 million automobiles.  
As an Energy Star Partner, Fujitsu Siemens Computers GmbH has determined that this product  
meets the Energy Star guidelines for energy efficiency.  
CE certificate  
The shipped version of this device complies with the requirements of the EEC directives  
89/336/EEC "Electromagnetic compatibility" and 73/23/EEC "Low voltage directive".  
X-ray radiation  
This device complies with the German X-ray regulations (Röntgenverordnung - RöV). The local  
dosage emitted is less than 1 µSv/h (micro-Sievert per hour) at a distance of 0.1m.  
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Colour monitor C779 / 172E  
Notes on power management  
If your computer has a VESA DPMS (Video Electronics Standard Association, Display Power  
Management Signaling) power management function (energy-saving mode), your monitor will fully  
support this function. The monitor has a four-stage power management system.  
Stage  
ON  
Standby mode  
green  
Suspend mode  
amber  
OFF mode  
Power indicator  
green  
amber flashing  
(1 sec.)  
Function  
Monitor operating  
normally  
Monitor  
is dark  
Monitor  
is dark  
Monitor  
is dark  
Power  
consumption  
normal  
< 75 W  
reduced  
to < 60 W  
reduced  
to < 15 W  
reduced  
to < 5 W  
If your computer detects inactivity (no input) it sends an appropriate signal to the monitor to reduce  
the power consumption. The power indicator of the monitor flashes to indicate the status change.  
If there is still no input, power consumption is further reduced (OFF mode).  
Once an input is made at the computer the screen contents are redrawn and full power is restored.  
The length of the individual stages is determined by the power management system of the  
computer. For detailed information on how energy-saving mode operates refer to the Operating  
Manual or Technical Manual of your computer.  
The service life of your monitor will be extended if the OFF mode is switched to after  
30 minutes at the earliest (setting in screen saver or in your computer's BIOS setup).  
i
When the monitor is switched to OFF mode by the power management system a power  
consumption of up to 5 W is maintained to feed the circuit for redrawing the screen  
contents.  
To cut off power consumption totally, press the ON/OFF switch on the front of the monitor.  
Connecting the monitor  
Information on the computer connections is contained in the operating manual for your computer.  
Please note the "Safety" information provided in the chapter "Important notes" in the  
Operating Manual of the PC.  
!
Do not cover the ventilation openings of the monitor.  
If you are assembling monitors beside each other, there must be a minimum distance of  
30 cm between monitors of the same constructional type, to avoid image distortion. With  
different monitors, the distance must be increased, if necessary.  
Ê
Be sure that the monitor and the computer are switched off.  
The computer power plug must be pulled!  
!
6 - English  
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Colour monitor C779 / 172E  
Monitor C779  
Ê
Connect the 15-pin connector of the data  
cable to the (active) monitor port on the  
computer (1) and secure the plug-in  
connection by tightening the safety screws.  
Ê
Ê
Ê
Ê
Plug the power cable supplied into the  
power connector of the monitor.  
Plug the power connector of the monitor  
into a properly grounded mains outlet.  
Plug the power connector of the computer  
into a properly grounded mains outlet.  
Switch the monitor on with the ON/OFF  
switch  
.
Monitor 172E  
Ê
Connect the 15-pin connector of the data  
cable to the (active) monitor port on the  
computer (1) and secure the plug-in  
connection by tightening the safety screws.  
Ê
Ê
Ê
Ê
Plug the power cable supplied into the  
power connector of the monitor.  
Plug the power cable into the monitor  
connector at the rear of the computer.  
Plug the power connector of the computer  
into a properly grounded mains outlet (2).  
Switch the monitor on with the ON/OFF  
switch  
.
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Colour monitor C779 / 172E  
Operation of the monitor  
MENU  
-
+
The ON/OFF switch switches the monitor on or off.  
The power indicator located left side of the ON/OFF switch lights up green when the  
monitor is switched on.  
Buttons for the OSD menu  
With the buttons on the control panel, call up and use the integrated OSD (On-Screen Display)  
menu.  
MENU  
The MENU button activates the OSD main menu and selects the marked icon.  
- / +  
1) With the OSD menu hidden you can adjust the brightness directly using the - button  
and the contrast with the + button.  
2) With the main menu open, mark the symbol for the function you want to adjust with the  
- or + button.  
3) With the submenu open, adjust the selected function with the - or + button.  
The button closes the OSD main menu or returns you from a submenu to the main menu.  
Activating the OSD menu  
Ê
Press the Menu button.  
Exiting the OSD menu  
Ê
Ê
When in the main menu, press the  
When in a submenu, press the  
button.  
button twice.  
8 - English  
A26361-K823-Z100-1-5E19  
 
Colour monitor C779 / 172E  
OSD menu functions  
OSD menu  
MENU button  
Minus button (-)  
Plus button (+)  
button  
1. No OSD  
Opens window  
No 2  
Opens window  
No 3  
Opens window  
No 3  
No function  
2. Main menu  
Depending on the Marks the desired icon  
symbol marked:  
Back to No. 1  
With RECALL or  
DEGAUSS the  
function is carried  
out directly.  
With COLOR  
TEMP or ZOOM  
the symbol begins  
to flash and you  
can make  
additional  
adjustments.  
With all other  
functions a  
submenu is  
displayed.  
Back to No. 2  
Reduces the  
brightness  
Increases the  
brightness  
Back to No. 1  
Back to No. 1  
Back to No. 2  
3. BRIGHTNESS  
4. CONTRAST  
5. POSITION  
Back to No. 2  
Reduces the  
contrast  
Increases the  
contrast  
Adjusting the  
horizontal or  
Shifts the picture  
down or to the left up or to the right.  
Shifts the picture  
vertical position  
Adjusting the  
horizontal or  
vertical size  
Reduces the  
picture  
Increases the  
picture  
Back to No. 2  
6. SIZE  
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Colour monitor C779 / 172E  
OSD menu  
MENU button  
Minus button (-)  
Plus button (+)  
button  
7. GEOMETRY  
Pressing once:  
Selects the  
Adjusts the selected function  
Back to No. 2  
marked function.  
The symbol  
begins to flash  
(adjustment  
mode).  
Pressing twice:  
Ends the  
Selects the desired function  
Back to No. 2  
adjustment mode.  
The geometry controls enable you to adjust the curves or angles at the corners  
of your screen.  
PINCUSHION  
Increases or reduces the curve of the sides either toward  
inward or outward.  
PARALLELO-  
GRAM  
Increases or reduces the slope of the sides to the left or  
right.  
TRAPEZOID  
Increases or reduces the lower screen so that it is exactly  
as large as the upper screen.  
PINBALANCE  
ROTATION  
Changes the geometry of the screen to the left or right.  
Turns the entire screen clockwise or anti-clockwise.  
Pressing once:  
Selects the  
Adjusts the selected function  
Back to No. 2  
8. MOIRE  
CONTROL  
marked function.  
The symbol  
begins to flash  
(adjustment  
mode).  
Pressing twice:  
Ends the  
adjustment mode.  
Sets the marked  
language and  
returns to No. 2  
Selects the appropriate language  
Back to No. 2  
Back to No. 2  
9. LANGUAGE  
Moves the OSD  
menu horizontally menu to the left or menu to the right  
or vertically. downward or upward  
Moves the OSD  
Moves the OSD  
10. OSD  
POSITION  
10 - English  
A26361-K823-Z100-1-5E19  
Colour monitor C779 / 172E  
OSD menu  
MENU button  
Minus button (-)  
Plus button (+)  
button  
Pressing once:  
Selects the  
Selects the desired colour mode  
Back to No. 1  
11. COLOR  
TEMP  
marked function.  
The symbol  
begins to flash  
(adjustment  
mode).  
When the colour  
mode symbol  
flashes, press the  
button to reach  
the colour  
adjustment  
No. 12.  
Pressing twice:  
Ends the  
adjustment mode.  
Selects the desired function  
Adjusts the selected function  
Back to No. 1  
Back to No. 11  
12. COLOR  
ADJUST  
MODE  
Pressing once:  
Selects the  
marked function.  
The symbol  
begins to flash  
(adjustment  
mode).  
Pressing twice:  
Ends the  
adjustment mode.  
Selects the desired function  
Back to No. 11  
Back to No. 1  
Pressing once:  
Selects the  
Reduces the  
horizontal and  
vertical picture  
size  
Increases the  
horizontal and  
vertical picture  
size  
13. ZOOM  
marked function.  
The symbol  
begins to flash  
(adjustment  
mode).  
Pressing twice:  
Ends the  
Selects the desired function  
Back to No. 1  
adjustment mode.  
RECALL  
Activates the factory settings within all menus. If you want to return to the  
factory settings, press the RECALL button.  
DEGAUSS  
Degausses the monitor.  
During degaussing a muffled noise is produced, the colours may change and  
the picture may wobble. These effects are normal. There is no malfunction.  
Caution!  
Please wait approximately 20 minutes before executing the function again. Do  
not press the button for a longer time in order not to reduce the service life of  
the Degauss circuit.  
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Colour monitor C779 / 172E  
Technical data  
Dimensions and weight  
CRT:  
40 cm (17"), 90° deflection (FST)  
Coated  
CRT surface:  
Dot pitch:  
0.27 mm (matrix), 0.28 mm (Phosphor tripel)  
1280 x 1024 pixels  
Maximal resolution:  
Preset display area:  
Dimensions (W x H x D):  
300 mm x 230 mm  
418 mm x 417 mm x 424 mm (device)  
530 mm x 467 mm x 518 mm (packaging)  
15.4 kg  
Weight:  
Electrical data  
Video:  
RGB analogue, positive, 0.7 V , 75 Ohm  
pp  
Synchronisation:  
H/V separate, TTL, positive/negative  
H/V composite, TTL, positive/negative  
Horizontal frequency:  
Refresh rate:  
30 kHz .... 72 kHz (multi-scanning)  
50 Hz .... 160 Hz  
Maximum pixel rate:  
Power supply:  
110 MHz  
switches automatically  
110 V- 240 V, 50 Hz - 60 Hz ±3%  
Power consumption:  
< 75 W (ON, Normal mode)  
< 60 W (Standby mode)  
< 15 W (Suspend mode)  
< 5 W (OFF mode)  
(see power management):  
Input connector:  
15-pin D-SUB connector  
Environmental conditions  
Environment class 3K2, IEC 721  
Rated range of operation:  
Humidity:  
15 °C .... 35 °C  
20 % .... 85 %  
Limit range of operation:  
Humidity:  
5 °C .... 40 °C  
20 % .... 85 %  
Condensation must be avoided.  
12 - English  
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Colour monitor C779 / 172E  
VESA-DDC-compatible VGA interface  
Your monitor is equipped with a VESA-DDC-compatible VGA interface. VESA-DDC (Video  
Electronics Standard Association, Display Data Channel) is used as the communications interface  
between the monitor and the computer. If your computer is equipped with a VESA-DDC-compatible  
VGA interface, it can automatically read the data for ensuring optimum operation from your monitor  
and select the appropriate settings.  
If the monitor C779 / 172E is not yet displayed in the list of monitors, you can select one  
of the following monitors instead:  
i
Fujitsu Siemens MCM 171E, C776, 174V, 173V, C777, C775  
Siemens MCM 171V, MCM 1755, MCM 1754; MCM 1503  
Fujitsu C771  
Preset operating modes  
The picture position and size have been set to optimum values at the factory for the  
operating modes listed above. Depending on the screen controller used, it may be  
necessary to adjust the display position and size. In this case, you can change and save  
the settings (see "Operation of the monitor").  
i
Horizontal frequency  
Refresh rate  
Screen resolution  
31.5 kHz ±0.5 kHz  
31.5 kHz ±0.5 kHz  
43.3 kHz ±0.5 kHz  
53.7 kHz ±0.5 kHz  
60.0 kHz ±0.5 kHz  
68.7 kHz ±0.5 kHz  
70 Hz ±2 Hz  
60 Hz ±2 Hz  
85 Hz ±2 Hz  
85 Hz ±2 Hz  
75 Hz ±2 Hz  
85 Hz ±2 Hz  
720 x 400  
640 x 480  
640 x 480  
800 x 600  
1024 x 768  
1024 x 768  
For ergonomic reasons we recommend a refresh rate of at least 75 Hz and a maximum resolution of  
1024 x 768 pixels.  
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Colour monitor C779 / 172E  
Pin assignment D-SUB (15-pin)  
1
6
5
10  
11  
15  
Pin  
1
Meaning  
Red video input  
Green video input  
Blue video input  
Ground  
Pin  
Meaning  
not assigned  
9
2
10  
11  
12  
13  
14  
15  
Ground  
3
Ground  
4
Serial DDC data line (SDA)  
H. sync  
5
Ground  
6
Red video ground  
Green video ground  
Blue video ground  
V. sync  
7
Serial DDC clock line (SCL)  
8
Error handling  
Should an error occur, first check the following points. If the distortion is still not eliminated, the  
monitor should, if possible, be checked on another computer.  
If you are unable to solve the problem, please inform our Help Desk.  
Error messages  
The mode selected on the computer (resolution  
and refresh rate) is not supported by the monitor.  
Ê
Check the mode selected on the computer  
and select values for the resolution and  
refresh rate which the monitor supports (for  
example from the table in the section  
"Preset operating modes").  
14 - English  
A26361-K823-Z100-1-5E19  
 
Colour monitor C779 / 172E  
The data cable is either not connected or not  
correctly connected to the computer.  
Check whether the data cable for the monitor is  
correctly attached to the monitor and the monitor  
port on the computer.  
The screen is blank  
Ê
Ê
Ê
Ê
Check whether the monitor and the computer are switched on.  
Check whether the power cable on the monitor is connected correctly.  
Check whether the mains socket is live.  
Check whether the data cable for the monitor is correctly attached to the monitor and the  
monitor port on the computer.  
Ê
Ê
Ê
Check whether the monitor connection of the computer used is active.  
Press any key on the computer keyboard – the computer may be in energy saving mode.  
Change the brightness and/or the contrast; the monitor may be adjusted to the maximum dark  
setting.  
The picture is scrolling or unstable  
Ê
Check whether the data cable for the monitor is correctly attached to the monitor and the  
monitor port on the computer.  
Ê
Check the mode selected on the computer and select values for the resolution and refresh rate  
which the monitor supports (for example from the table in the section "Preset operating  
modes").  
The picture is fuzzy  
Ê
Ê
Change the brightness and/or the contrast.  
Degauss the monitor (see "Operation of the monitor").  
Please wait approximately 20 minutes before executing the function again. Do not press  
the button for a longer time in order not to reduce the service life of the Degauss circuit.  
!
The picture jumps or wave patterns appear  
Ê
Remove electrical devices located near the monitor that can cause interference .  
Unshielded loudspeakers can cause picture distortion and must be removed.  
The edges of the screen display are distorted  
Set the picture geometry properly (see "Operation of the monitor").  
Ê
The screen display is too small, too large or not centred  
Adjust the picture size and position (see "Operation of the monitor").  
Ê
A26361-K823-Z100-1-5E19  
English - 15  

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