MaxTech Computer Monitor XT7800 User Manual

XT7800  
17 INCH  
COLOR MONITOR  
USER'S  
MANUAL  
Features  
0.28 mm Dot Pitch  
1280 x 1024, Non-Interlaced  
90 Hz Refresh Rate (VGA/SVGA)  
PowerSavingOperation(VESADPMS)  
Non-Glare Screen  
Full Screen Display  
Digital Controls  
RGB Color Match Controls  
Low Radiation  
Part#MAN061Rev. 1.0  
 
Section 1 - General Information  
Congratulations on purchasing the MaxTech 17-inch Color Monitor. The  
monitor has one of the finest CRTs available in the industry, providing a  
full range of video display resolutions and complies with the MPR-II  
standard to reduce electromagnetic emissions.  
The monitor has a 0.28 mm dot pitch display with a 75 MHz video  
bandwidth. It supports video resolutions ranging from 640 x 350 to 1280  
x 1024 (non-interlaced).  
The monitor can be used with video cards supporting VGA, SVGA, IBM  
8514/A or XGA modes and provides an unlimited palette of colors.  
1.1 Precautions When Using the Monitor  
When setting up and using your monitor, pay special attention to the  
following:  
To eliminate eye fatigue, do not use your monitor against a bright  
background or where sunlight or other light sources will shine directly  
on the monitor.  
Your monitor should be placed just below eye level for optimum  
viewing.  
Allow adequate ventilation around the monitor so that heat from the  
monitor can properly dissipate.  
Neither the monitor itself nor any other heavy object should rest on the  
power cord. Damage to a power cord can cause fire or electrical  
shock.  
Keep the monitor away from high capacity transformers, electric  
motors and other strong magnetic fields.  
Do not use your monitor in a damp, dusty or dirty area.  
Handle the monitor with care when transporting.  
Unplug the monitor during electrical storms.  
1.2 Power Saving Modes  
The MaxTech monitor supports VESA Display Power Management Sig-  
naling (DPMS) SUSPEND and OFF modes. DPMS defines a method for  
a computer to signal the monitor to reduce its power consumption when  
idle. DPMS features must be supported by both the computer and the  
monitor for them to be available. Computer support of DPMS requires the  
use of a DPMS compliant video card.  
The monitor enters DPMS SUSPEND mode when the computer turns off  
the Vertical Synchronization signal. This power-saving mode reduces the  
monitor’s power consumption to 25W. While in this mode the first LED in  
the Power Indicator (LED A in Figure 3-1) is off. When the synchronization  
signal is re-enabled the monitor returns to normal operation.  
The monitor enters DPMS OFF mode when the computer turns off both the  
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Horizontal and Vertical Synchronization signals. This mode reduces the  
monitor’s power consumption to 5W. While in this mode the first and  
second LEDs in the Power Indicator (LEDs A and B in Figure 3-1) are off.  
When the synchronization signals are re-enabled the monitor returns to  
normal operation.  
Section 2 - Installation  
2.1  
Attaching the Base  
Figure 2-1 Connecting the Base  
Carefully place the monitor on its  
side or top.  
Insert the hooks on the swivel  
base into the slots in the bottom  
of the monitor. Push down and  
forward on the base until it snaps  
into place.  
Place the display upright in an  
appropriate location.  
2.2 Connecting the Cable  
Make sure that power to the monitor and the computer is off.  
Connect the cable from the back of the monitor to the video connector  
Figure 2-2 Monitor Connections  
3
 
on the computer.  
Connect the supplied power cord into the AC connector on the back  
of the monitor and the other end into an AC outlet.  
The monitor is now ready for use.  
Section 3 - Monitor Controls and LEDs  
Figure 3-1 Controls and LEDs  
A
B
C
1
12  
(on back)  
11  
10  
9
8
7
6
5
4
3
2
1. Power Indicator  
LEDs A, B, and C (See Figure 3-1) indicate the operational state of the  
monitor.  
1.1 LEDs A, B and C are lit: The monitor is in normal operating  
mode.  
1.2 Only LEDs B and C are lit: The monitor is in the power saving  
“SUSPEND” mode. In this mode the monitor uses only 25W. The  
screen is blank.  
1.3 Only LED C is lit: The monitor is in the power saving “OFF”  
mode. The monitor is in minimum power state and uses only 5W.  
The screen is blank.  
1.4 All LEDs are off: The power switch is off.  
2. Degaussing Control  
Press to clear color impurity of the display.  
3. Power Switch  
Press to turn the monitor on. Press again to turn the monitor off.  
4. Brightness Control  
Adjusts the display brightness.  
4
 
5. Contrast Control  
Adjusts the display contrast.  
6. Memory Recall  
Push to reset the display to the default parameters.  
7-10 On-Screen Display Controls  
The On-Screen Display (Refer to Section 3.1) is controlled using buttons  
7 through 10. The On-Screen Display is enabled by pressing any of these  
buttons.  
7. ADJ+  
Pressing this button will increase the value of the highlighted  
setting.  
8. ADJ-  
Pressing this button will decrease the value of the highlighted  
setting.  
9. Cursor+  
Pressing this button highlights the next display parameter to be  
adjusted, A through H (See Figure 3-2).  
10. Cursor-  
Pressing this button highlights the previous display parameter to  
be adjusted, A through H (See Figure 3-2).  
11. Status/Save  
This control has two functions: A) It displays the current Horizon-  
tal frequency and Vertical frequency along with the current  
screen resolution. B) If the On-Screen Display is active, it saves  
any changes made and exits the On-Screen Display.  
12. Rotation Control (rear of unit)  
Adjusts the amount the display area will tilt.  
3.1 On-Screen Display  
Figure 3-2 On-Screen Display Options  
A
B
C
D
E
F
G
H
A. Horizontal-Size  
Adjusts the display width. The ADJ+ button increases the width.  
The ADJ- button decreases the width.  
B. Vertical-Size  
Adjusts the display height. The ADJ+ button increases the  
height. The ADJ- button decreases the height.  
5
 
C. Horizontal-Position  
Adjusts the horizontal position. The ADJ+ button moves the  
display to the right. The ADJ- button moves the display to the left.  
D. Vertical-Position  
Adjusts the vertical position. The ADJ+ button moves the display  
up. The ADJ- button moves the display down.  
E. Pincushion  
Adjusts the shape of the left and right sides of the display. The  
ADJ+ button makes the display sides curve out. The ADJ- button  
makes the display sides curve in.  
F. Color Adjustment - Red  
Adjusts the intensity of the red signal. The ADJ+ button increases  
the red intensity. The ADJ- button decreases the red intensity.  
G. Color Adjustment - Green  
Adjusts the intensity of the green signal. The ADJ+ button  
increases the green intensity. The ADJ- button decreases the  
green intensity.  
H. Color Adjustment - Blue  
Adjusts the intensity of the blue signal. The ADJ+ button increases  
the blue intensity. The ADJ- button decreases the blue intensity.  
Section 4 - Troubleshooting  
No picture, power indicators A, B, C off  
• Check AC cord is plugged into outlet and monitor.  
• Turn on the power switch.  
No picture, power indicators A, B, C on.  
• Adjust brightness and contrast controls.  
No picture, power indicator A off, indicators B and C on.  
• Monitor is in DPMS “SUSPEND” mode. Press a key or move the  
mouse.  
No picture, power indicators A and B off, indicator C on.  
• Monitor is in DPMS “OFF” mode. Press a key or move the mouse.  
• Check that video cable is connected completely.  
Image is not centered  
• Adjust Vertical Position and Horizontal Position controls.  
Appendix A - Specifications  
PictureTube  
Size  
Dot pitch  
17-inchdiagonal  
0.28mm  
Surfacetreatment  
Anti-glare/anti-static  
Bandwidth  
75 MHz  
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DataArea  
12.75 x 9.625 in.  
Preset Display Modes  
Mode  
VGA  
VGA  
VGA  
SVGA  
8514A  
VGA  
VGA  
VGA  
SVGA  
SVGA  
SVGA  
Ultra VGA  
Ultra VGA  
Ultra VGA  
Resolution  
640 x 350  
640 x 400  
640 x 480  
800 x 600  
1024 x 768  
640 x 350  
640 x 400  
640 x 480  
800 x 600  
800 x 600  
800 x 600  
1024 x 768  
1024 x 768  
1280 x 1024  
V.Frequency  
70 Hz  
70 Hz  
60 Hz  
56 Hz  
87 Hz  
84 Hz  
84 Hz  
84 Hz  
72 Hz  
60 Hz  
72 Hz  
60 Hz  
70 Hz  
60 Hz  
H.Frequency  
31.47KHz  
31.47KHz  
31.47KHz  
35.16KHz  
35.52KHz  
37.86KHz  
37.86KHz  
37.86KHz  
48.09KHz  
37.88KHz  
48.08KHz  
48.37KHz  
56.48KHz  
64.31KHz  
Synchronization  
Horizontal:  
Vertical:  
30-66KHz  
50-90 Hz  
Deflection  
Geometricdistortion  
Linearitydistortion  
Pincushiondistortion  
H<=2.5mm,V<=2.5mm  
H<=10%,V<=8%  
<=2mm  
Highvoltageregulation  
H<=4mm,V<=4mm(0-25FL)  
Lowradiation  
Frontcontrols  
MPR-IIspecification  
Power, Brightness, Contrast, Memory Recall, Adj+, Adj-,  
Cursor+,Cursor-,Status/Save,Degauss  
On Screen Display  
Horizontal-Size,Horizontal-Position,Vertical-Size,Vertical-  
Position,Pincushion,RGBColorAdjustments  
Rear Control  
Powersaving  
DisplayTilt  
DisplayPowerManagementSignaling(DPMS)  
SUSPENDmode  
OFFmode  
25W (Max.)  
5W (Max.)  
Input voltage  
100-240VAC,50/60Hz  
120Wmaximum  
Powerconsumption  
Operating  
Environment  
Temperature  
Humidity  
Altitude  
5°-35°C  
20-90%(non-condensing)  
0-10,000ft.  
Connector  
BNC, 15 Pin D-Sub  
16.59 x 16.60 x 16.61  
Dimensions  
Specificationssubjecttochangewithoutnotice.  
Appendix B - Two Year Warranty  
MaxTechwarrantstotheoriginalbuyerofthisproductagainstdefectsinmaterialand  
workmanship for two years from the date of purchase.  
Exceptasspecifiedbelow,thiswarrantycoversalldefectsinmaterialorworkmanship  
in this product. The following are not covered by the warranty:  
1. AnyproductwhichisnotdistributedinNorthAmericabyMaxTechorwhichisnot  
purchasedinNorthAmericafromanauthorizedMaxTechDealer.  
7
 
2. Anyproductonwhichtheserialnumberhasbeendefaced,modifiedorremoved.  
3. Damage,deteriorationormalfunctionresultingfrom:  
a. Accident,misuse,abuse,neglect,fire,water,lightningorotheractsofnature,  
commercial or industrial use, unauthorized product modification, or failure to  
followinstructionssuppliedwiththeproduct.  
b. RepairorattemptedrepairbyanyonenotauthorizedbyMaxTech.  
c. Any shipment of the product (claims must be presented to the carrier).  
d. Removalorinstallationoftheproduct.  
e. Any other cause which does not relate to a product defect.  
4. Cartons, carrying cases, batteries, external cabinets, magnetic tapes or any  
accessoriesusedinconnectionwiththeproduct.  
MaxTechwillpayalllaborandmaterialexpensesforcovereditems,butwewillnotpay  
forthefollowing:  
1. Removalorinstallationcharges.  
2. Costs of initial technical adjustments (set-up), including adjustment of user  
controls.  
3. Paymentofshippingcharges.  
HOW TO OBTAIN WARRANTY SERVICE  
If you have problems with your monitor, refer to the troubleshooting section of this  
manual.Ifyouareunabletoresolvetheproblem,contactthedealerordistributorfrom  
whomtheproductwaspurchased.Adefectivemonitorshouldbereturnedinitsoriginal  
packagingtoyourdealerforwarrantyservice.  
LIMITATION OF IMPLIED WARRANTIES  
Allimpliedwarranties,includingwarrantiesofmerchantabilityandfitnessforaparticular  
purpose, are limited in duration to the length of this warranty.  
EXCLUSION OF DAMAGES  
MaxTech'sliabilityforanydefectiveproductislimitedtotherepairorreplacementofthe  
product, at our option. MaxTech shall not be liable for:  
1.Damagetootherpropertycausedbyanydefectsinthisproduct,damagesbased  
uponinconvenience, lossofuseoftheproduct, lossoftime, commercialloss;or  
2.Anyotherdamages,whetherincidental,consequentialorotherwise.  
Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylastsand/ordonot  
allowtheexclusionorlimitationofincidentalorconsequentialdamages,sotheabove  
limitationsandexclusionsmaynotapplytoyou.  
HOW STATE LAW RELATES TO THE WARRANTY  
Thiswarrantygivesyouspecificlegalrights,andyoumayalsohaveotherrightswhich  
varyfromstatetostate.  
Appendix C - Notices  
FCC Class B Statement  
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigital  
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  
equipmentgenerates,usesandcanradiateradiofrequencyenergy,andifnotinstalled  
andusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio  
communications. However, there is no guarantee that interference will not occur in a  
8
 
particular installation. If this equipment does cause harmful interference to radio or  
televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,the  
user is encouraged to try to correct the interference by one or more of the following  
measures:  
• Reorientorrelocatethereceivingantenna  
• Increasetheseparationbetweentheequipmentandthereceiver  
• Connect the equipment into an outlet on a circuit different from that to which the  
receiverisconnected  
• Consult the dealer or an experienced radio / TV technician for help  
Notice:Shieldedcables,ifany,mustbeusedinordertocomplywiththeemissionlimits.  
Any change or modification not expressly approved by the Grantee of the equipment  
authorizationcouldvoidtheuser’sauthoritytooperatetheequipment.  
Canadian DOC Compliance Statement  
This equipment does not exceed Class B limits for radio noise emissions for a digital  
apparatus,setoutintheRadioInterferenceRegulationsoftheCanadianDepartment  
ofCommunications.Operationinaresidentialareamaycauseunacceptableinterfer-  
encetoradioandTVreceptionrequiringtheowneroroperatortotakewhateversteps  
necessarytocorrecttheinterference.  
CetéquipementnedépassepasleslimitsdeClassBd'émissiondebruitsradioélectriques  
pourlesappareilsnumériques,tellesqueprescritesparleRèglementsurlebrouillage  
radioélectriqueétabliparleministèredesCommunicationsduCanada.L'exploitation  
faite en milieu résidentiel peut entraîner le propriétaire ou l'opérateur à prendre  
dispositionsnécessairespourenéliminerlescauses.  
Disclaimer, Copyright, And Other Notices  
Theinformationcontainedinthismanualhasbeenvalidatedatthetimeofthismanual's  
production. The manufacturer reserves the right to make any changes and improve-  
ments in the product described in this manual at any time and without notice.  
Consequently,themanufacturerassumesnoliabilityfordamagesincurreddirectlyor  
indirectlyfromerrors,omissionsordiscrepanciesbetweentheproductandthemanual.  
Allregisteredtrademarksarethepropertyoftheirrespectiveowners.  
Copyright©1996MaxTech.Allrightsreserved.Noreproductionofthisdocumentinany  
formisallowedwithoutwrittenpermissionfromMaxTech.  
Appendix D - Video Cable Pinout  
Figure E - Pin  
Layout and Pin  
PIN SIGNAL  
PIN SIGNAL  
1
2
3
4
5
6
7
8
Red  
9
No Connect  
AssignmentChart  
Green  
10 Digital Ground  
11 Ground  
Blue  
Ground  
12 No Connect  
13 Hor. Synch.  
14 Vert. Synch  
15 No Connect  
Ground  
Red Ground  
Green Ground  
Blue Ground  
FirstEdition  
GZ/DR - Version 1.0  
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