Service Manual
ViewSonic VX2245wm-1
Model No. VS11349
22” Color TFT LCD Display
(VX2245wm-1_SM Rev. 1a Oct. 2006)
ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583
Copyright
Copyright © 2006 by ViewSonic Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of ViewSonic Corporation.
Disclaimer
ViewSonic makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular purpose. Further, ViewSonic reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or changes.
Trademarks
Optiquest is a registered trademark of ViewSonic Corporation. ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners.
Revision History
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Revision |
SM Editing Date |
ECR Number |
Description of Changes |
Editor |
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1a |
10/16/2006 |
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Initial Release |
Jamie Chang |
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ViewSonic Corporation |
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VX2245wm-1 |
Confidential - Do Not Copy |
i
TABLE OF CONTENTS
1. |
Precautions and Safety Notices |
1 |
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2. |
Specification |
4 |
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3. |
Front Panel Function Control Description |
14 |
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4. |
Circuit Description |
24 |
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5. |
Adjustment Procedure |
31 |
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6. |
Troubleshooting Flow Chart |
63 |
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7. |
Recommended Spare Parts List |
71 |
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8. |
Exploded Diagram and Exploded Parts List |
73 |
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9. |
Block Diagram |
76 |
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10. |
Schematic Diagrams |
77 |
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11. |
PCB Layout Diagrams |
83 |
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ViewSonic Corporation |
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VX2245wm-1 |
Confidential - Do Not Copy |
ii
1. Precautions and Safety Notices
1. Precautions and Safety Notices
1.Appropriate Operation
(1)Turn off the product before cleaning.
(2)Use only a dry soft cloth when cleaning the LCD panel surface.
(3)Use a soft cloth soaked with mild detergent to clean the display housing.
(4)Use only a high quality, safety approved AC/DC power cord.
(5)Disconnect the power plug from the AC outlet if the product will not be used for a long period of time.
(6)If smoke, abnormal noise, or strange odor is present, immediately switch the LCD display off.
(7)Do not touch the LCD panel surface with sharp or hard objects.
(8)Do not place heavy objects on the LCD display, video cable, or power cord.
(9)Do not use abrasive cleaners, waxes or solvents for your cleaning.
(10)Do not operate the product under the following conditions:
-Extremely hot, cold or humid environment.
-Areas containing excessive dust and dirt.
-Near any appliance generating a strong magnetic field.
-In direct sunlight.
2.Caution
No modification of any circuit should be attempted. Service work should only be performed after you are thoroughly
familiar with all of the following safety checks and servicing guidelines.
3.Safety Check
Care should be taken while servicing this LCD display. Because of the high voltage used in the inverter circuit, the voltage is exposed in such areas as the associated transformer circuits.
4.LCD Module Handling Precautions
4.1Handling Precautions
(1)Since front polarizer is easily damaged, pay attention not to scratch it.
(2)Be sure to turn off power supply when connecting or disconnecting input connector.
(3)Wipe off water drops immediately. Long contact with water may cause discoloration or spots.
ViewSonic Corporation |
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VX2245wm-1 |
Confidential - Do Not Copy |
1
(4)When the panel surface is soiled, wipe it with absorbent cotton or other soft cloth.
(5)Since the panel is made of glass, it may break or crack if dropped or bumped on hard surface.
(6)Since CMOS LSI is used in this module, take care of static electricity and ensure human earth when handling.
(7)Do not open or modify the Module Assembly.
(8)Do not press the reflector sheet at the back of the module in any direction.
(9) In the event that a Module must be put back into the packing container slot after it was taken out of the container, do not press the center of the CCFL Reflector edge. Instead, press at the far ends of the CFL Reflector edge softly. Otherwise the TFT Module may be damaged.
(10)At the insertion or removal of the Signal Interface Connector, be sure not to rotate or tilt the Interface Connector of the TFT Module.
(11) After installation of the TFT Module into an enclosure (LCD monitor housing, for example), do not twist or bend the TFT Module even momentarily. When designing the enclosure, it should be taken into consideration that no bending/twisting forces may be applied to the TFT Module from outside. Otherwise the TFT Module may be damaged.
(12)The cold cathode fluorescent lamp in the LCD contains a small amount of mercury. Please follow local ordinances or regulations for disposal.
(13) The LCD module contains a small amount of materials having no flammability grade. The LCD module should be supplied with power that complies with the requirements of Limited Power Source (IEC60950 or UL1950), or an exemption should be applied for.
(14) The LCD module is designed so that the CCFL in it is supplied by a Limited Current Circuit (IEC60950 or UL1950). Do not connect the CCFL to a Hazardous Voltage Circuit
ViewSonic Corporation |
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VX2245wm-1 |
Confidential - Do Not Copy |
2
Correct methods : |
Incorrect Methods : |
Only touch the metal-frame of the panel or the front |
Surface of the panel is pressed by fingers & this may |
cover of the monitor. |
cause “ MURA “ |
Do not touch the surface of the polarizer . |
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Take out the monitor with cushion |
Take out the monitor by grasping the LCD panel. |
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That may cause “ MURA“. |
Place the monitor on a clean & soft foam pad .
Place the monitor on foreign objects . That could scratch the surface of panel
ViewSonic Corporation |
|
VX2245wm-1 |
Confidential - Do Not Copy |
3
2. Specification
INTRODUCTION
FEATURES |
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VX2245wm |
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Size |
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22 " wide |
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TFTLCD PANEL |
Luminance (Typ) |
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280 cd/ |
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1st |
Contrast Ratio (Typ) |
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700:1 |
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CMO |
Colors |
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16.2 M (6 bits + 2 bits FRC) |
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Response Time |
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5 ms(on/off) |
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A220Z1 |
Viewing Angle (H/V) |
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170 ° / 160 ° |
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Recommend resolution |
1680x1050@60Hz |
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Video |
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Analog |
(Head) |
Yes (75ohms, 0.7/1.0 Vp-p) |
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Input Signal |
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Digital |
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(Head) |
Yes |
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Audio |
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3.5 mm Audio in (Head) |
Yes |
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3.5mm 2 in 1 Audio in |
Yes |
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(Base) |
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Output Signal |
Audio |
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3.5 Audio out (Base) |
Yes |
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Headphone out (Base) |
Yes |
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Sync Compatibility |
Separate Sync |
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Yes |
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Composite Sync |
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Yes |
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Sync on Green |
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Yes |
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Compatibility |
PC |
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Yes |
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Power Mac |
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Yes |
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TV Box (NextVision 6) |
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Yes |
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Power Voltage |
AC 100-240V, 50/60Hz |
Yes |
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LCD |
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On Mode(Typ) |
< 38 W |
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Power Consumption |
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Off Mode (Max) |
1 W |
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Multimedia base |
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On Mode(Typ) |
< 24 W |
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On Mode (Max) |
30 W |
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USB |
Upstream port (B type) X 1 |
Yes |
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Downstream port (A type) X 4 |
Yes |
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Card reader |
8 in 1 Function |
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SD/MMC/MS/MS PRO/CF I & II |
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/MicroDrive/SM |
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Speaker |
2.1 CH - THD 10% (Max) |
Yes |
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(Sat.: 2.5w x2 ; subwoofer:3w x1) |
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Tilt ( 20 ° - -5 °) |
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Yes |
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Ergonomics |
Swivel |
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No |
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Pivot |
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No |
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Height Adjust |
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No |
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OSD Control |
[ 1 ] [ 2 ] [ ][▼] [▲] |
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Yes |
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Dimension |
Physical (W x H x D) |
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524 x 493 x 212 mm |
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Package (W x H x D) |
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580 x 610 x 260 mm |
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Weight |
Physical (Net Weight) |
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6.2Kg / 13.7lbs |
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Package (Gross Weight) |
8.5Kg / 18.7 lbs |
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Operating Condition |
Temperature ( / ) |
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41 -95 /+5 -+35 |
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Humidity (%) |
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20 % - 80 % |
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Storage Condition |
Temperature ( / ) |
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-4 -131 /-20 -55 |
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Humidity (%) |
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20 % - 85 % |
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Global: CB, MPR II,WEEE,ROHS , ISO13406-2 , Energy Star |
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VSA:UL, cUL, FCC-B, TUV-S, NOM, |
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Regulation |
VSE:TUV/ERGO(covers ISO13406-2&MPR II),CE GOST-R+Hygienic ,SASO , |
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ENERGY |
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VSI: BSMI, CCC, PSB, C-TICK, MIC |
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VSCN:CCC |
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ViewSonic Corporation |
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VX2245wm-1 |
Confidential - Do Not Copy |
4
ViewDock – Multimedia base Spec.
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USB Standards |
Device prococal |
USB 2.0/1.1 |
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OHCI (Open Host Controller Interface) |
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EHCI (Enhanced Host Controller Interface) |
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USB 2.0 Speed |
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USB 1.x Speed |
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Compatible Operating |
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Mac OS X with USB 2.0 Support |
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Microsoft Windows XP/Me/2000/98SE with USB 2.0 Support |
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Systems |
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Mac OS 8.6 or above with USB 1.x Support and USB Card Support |
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1.4.1 |
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Microsoft Windows XP/Me/2000/98SE with USB 1.x Support |
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USB Hub |
Upstream |
1 Upstream USB Type B Receptacle |
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Downstream |
4 Downstream USB Type A Receptacles |
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Self-Powered Mode: 500mA /Port |
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USB Supplied Current |
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Idle Mode : 5mA /Port |
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Operating Mode: 100mA/Port |
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Secure Digital (SD) |
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Multi Media Card (MMC) |
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Compact Flash (CF) Type I |
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Compact Flash (CF) Type II |
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Card Reader |
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Micro Drive |
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Smart Media (SM) |
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4 slots |
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Memory Stick (MS) |
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Memory Stick Pro (MS Pro) |
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Upper Slot |
SMC and SD/MMC |
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Lower Slot |
CF Type I/II and MS/MS Dual/MS Pro |
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Subwoofer |
3.0W (typ) ; 5.0W (Max) |
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Audio / Speaker |
Nominal size |
Φ46mm |
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S/N |
>85dB |
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THD |
< 10% (Vol. Max) |
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MIC |
S/N |
60dB (Built-in) |
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Sensitivity: |
-38dB +- 3dB |
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VR |
Volume control |
Rotation stopper strength: 1.0Kgf.cm |
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Total rotational angle: 220+ 5˚ |
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Audio I/O |
Input |
2-in-1 Audio-in x 1 (Audio-in / MIC-in) |
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Output |
Audio-out x1 , Headphone out x1 |
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iPOD connector |
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Compatible with iPOD video/iPOD photo/iPOD nano/iPOD Mini/iPOD |
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U2/iPOD |
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Input Voltage Range: 100~240V |
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Power adapter |
External |
Input Frequency: 50/60Hz |
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Output Voltage: 12V |
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Full load: 2.0A |
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Peak load: 2.5A |
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Size |
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303mm (W) x 212mm (D) |
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Connectivity |
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Up to 127 Devices by Cascading Multiple Hubs |
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Power on |
Yellow-Green |
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Diagnostic LEDs |
iPod connecting |
Amber |
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iPod |
Yellow-green+Amber |
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connecting+Po |
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wer on |
24W |
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Power consumption |
Typical |
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Max. |
30W |
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Storage Temperature |
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-4ºF to 140ºF (-20ºC to 60ºC) |
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Storage Humidity |
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10% to 90% (Non-Condensing) |
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Operating Temperature |
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32ºF to 104ºF (0ºC to 40ºC) |
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Opreating Humidity |
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20% to 90% (Non-Condensing) |
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Global: CB, WEEE,ROHS |
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VSA:UL, cUL, FCC-B, TUV-S, NOM |
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Certifications |
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VSE:CE ,GOST-R+Hygienic ,SASO |
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VSI:BSMI, CCC, PSB, C-TICK, MIC |
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VSCN:CCC |
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Accessories |
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USB A-B Cable ; 2-in-1 Cable ; Power adaptor ; iPod adapter set |
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ViewSonic Corporation |
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VX2245wm-1 |
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Confidential - Do Not Copy |
5
(default x 1; 4 in set)
Package content Viewdock/Quick start guide/CD(for card reader windows 98 driver)/2-in-1 Aduio cable/USB cable/Power adapter/iPod adapter set
Product definition and specification
Region |
VSA |
VSAP |
VSE |
VSCN |
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(M) |
(A)/(P)/(J)/(S)/(K) |
(E)/(U) |
(G) |
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Product Name
Model Number
OSD Languages
TFT LCD Panel and Model #
Scalar
Input Signal
Sync Compatibility
Speaker (2.1ch)
Power Consumption
Power Cable
Power Adaptor for Multimedia base
Analog Cable (1.8 m, color : black), with PC 2001 and Hot Plug Detect &DDC
DVI Cable(1.8m, color: black) with PC 2001
Audio cable (1.8m) Lime green
USB Cable (A-B type)
2- in-1 Audio cable
iPod adapter set
ViewSonic CD Wizard
ViewSonic Quick Start Guide
ViewSonic Card-reader driver CD
Screen Protector Mylar
Portrait CD(Version xxx)
Extrme Label (5ms)
Pop Sticker (Front bezel / Base)
QSG insert
Service Insert
Warranty Sticker
Warranty Card
Carton Sticker
PE bag of Carton
VX2245wm
VS11349
English, French, German, Italian, Spanish, , Finnish, Japanese,
Traditional Chinese, Simplified Chinese
CMO A220Z1
Realtek, Model # :RTD2553V
Dual input (1A + 1D)
Separate / Composite / SOG
Sat. :2.5W (on LCD Head)
Subwoofer : 3W (on Base stand)
LCD: Built-in/ 38 W (typ) ; Base: 24W (typ)
Refer to Appendix G
Refer to Appendix H
YES
YES
YES
YES
YES
YES
Arabic, English, Finnish, Spanish, German,
Italian, Japanese, Swedish, Polish, Korean
Portuguese, Russian, French, Simplified
Chinese, Traditional Chinese, Czech, Hungarian
YES
YES
NO |
NO |
NO |
NO |
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YES |
YES |
YES |
YES |
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YES |
YES |
YES |
YES |
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YES |
YES |
YES |
YES |
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YES |
NO |
NO |
NO |
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NO |
NO |
NO |
YES |
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NO |
NO |
NO |
YES |
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NO |
NO |
NO |
YES |
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NO |
NO |
NO |
YES |
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ViewSonic Corporation |
|
VX2245wm-1 |
Confidential - Do Not Copy |
6
4-1 GENERAL specification
Test Resolution & Frequency |
1680x1050 @ 60Hz |
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Test Image Size |
Full Size |
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Contrast and Brightness Controls |
Factory Default: |
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Contrast = 70%, Brightness = 100% |
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4-2 VIDEO INTERFACE
Analog Input Connector |
DB-15 (Analog), refer the appendix A |
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Digital Input Connector |
DVI-D (Digital), refer the appendix B |
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Default Input Connector |
Defaults to the first detected input |
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Video Cable Strain Relief |
Equal to twice the weight of the monitor for five minutes |
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Video Cable Connector DB-15 Pin out |
Compliant DDC 1/2B |
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1. Video RGB (Analog) |
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Video Signals |
Separate, Composite, and Sync on Green |
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2. TMDS (Digital) |
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Video Impedance |
75 Ohms (Analog), 100 Ohms (Digital) |
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Maximum PC Video Signal |
950 mV with no damage to monitor |
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Maximum Mac Video Signal |
1250 mV with no damage to monitor |
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Sync Signals |
TTL |
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DDC 1/2B |
Compliant with Revision 1.3 |
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Sync Compatibility |
Separate Sync, Composite Sync, SOG |
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Video Compatibility |
Shall be compatible with |
all PC type computers, Macintosh |
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computers, and after market |
video cards |
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640 x 350*, 640 x 480, 720 x 400* (640 x 400*), 800 x 600, 832 x |
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624, 1024 x 768, 1152 x 864, 1152 x 870, 1280 x 720, 1280 x |
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Resolution Compatibility |
960, 1280 x 1024 , 1400 x 1050 , 1440 x 900 , 1600 x 1200, 1680 |
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x 1050 |
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* The image vertical size might not be full screen. |
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But the image vertical position should be at the center. |
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Exclusions |
Not compatible with interlaced video |
POWER SUPPLY (LCD Head)
Internal Power Supply |
27-D009542 |
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Input Voltage Range |
90 to 264 VAC |
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Input Frequency Range |
47 to 63 Hertz |
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Short Circuit Protection |
Output can be shorted without damage |
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Over Current Protection |
5.0 A typical at 12.0 VDC |
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Leakage Current |
3.5mA (Max) at 254VAC / 60Hz |
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Efficiency (at 115VAC Full Load) |
Typical: 80% |
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Minimum: 75% |
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Fuse |
Internal and not user replaceable |
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Power Output |
50 Watts (typ) |
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Ripple and Noise |
Ripple: <3% |
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Noise: <1% |
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Max Input AC Current |
1.5 Arms @ 90VAC, 0.75 Arms @180VAC |
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Inrush Current (Cold Start) |
50 A (max) @ 115VAC |
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90 A (max) @ 230VAC |
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Shall start and function properly when under full load, with all |
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Power Supply Cold Start |
combinations of input voltage, input frequency, and operating |
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temperature. |
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Power Supply Transient Immunity |
Shall be able to withstand an ANSI/IEEE C62.41-1980 6000V 200 |
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ampere ring wave transient test with no damage. |
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Power Supply Line Surge Immunity |
Shall be able to withstand 1.5 times nominal line voltage for one |
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cycle with no damage. |
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Power Supply Missing Cycle Immunity |
Shall be able to function properly, without reset or visible screen |
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artifacts, when ½ cycle of AC power is randomly missing at |
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nominal input. |
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Power Supply Acoustics |
The power supply shall not produce audible noise that would be |
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detectable by the user. Audible shall defined to be in |
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ViewSonic Corporation |
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VX2245wm-1 |
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Confidential - Do Not Copy |
7
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compliance with ISO 7779 (DIN EN27779:1991) Noise |
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measurements of machines acoustics. Power Switch noise shall |
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not be considered. |
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Power Saving Operation(Method) |
VESA DPMS Signaling |
LED |
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Mode |
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Power Consumption |
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Power Consumption |
On |
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Blue |
38W (typ) |
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43W (max) |
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Active off |
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Amber |
<1W |
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Off |
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Off |
<1W |
Recovery Time |
On Mode = N/A, Active |
Off < 3 sec |
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4-4 ELECTRICAL REQUIREMENT
Horizontal / Vertical Frequency
Horizontal Frequency |
24 |
– 82 kHz |
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Vertical Refresh Rate |
50 |
– 85* Hz |
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Maximum Pixel Clock |
150 MHz |
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Sync Polarity |
Independent of sync polarity. |
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Timing Table
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Analog |
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TMDSDigital |
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Timing |
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Separated |
Composite |
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SOG |
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Remark |
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For Analog sync, the image vertical size image will |
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640 x 350 |
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70 |
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31.5 |
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be not full screen (Still at the center), And the OSD |
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640x350/640x400/720x400 |
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720x400). |
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For Analog sync, the image vertical size image will |
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640 x 350 |
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37.9 |
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640x350/640x400/720x400 |
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720x400). |
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640 x 400 |
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31.5 |
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For Analog sync, switch 640x400@60Hz and |
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640x480@60Hz by [1]+[2] short cut key (primary |
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= 640x480@60Hz) |
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For Analog sync, the image vertical size image will |
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640 x 400 |
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31.5 |
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640x350/640x400/720x400 |
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720x400). |
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For Analog sync, the image vertical size image will |
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640 x 400 |
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85 |
Hz, |
37.9 |
KHz |
3 |
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be not full screen (Still at the center), And the OSD |
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640x350/640x400/720x400 |
(primary= |
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720x400). |
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640 x 480 |
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50 |
Hz, |
24.7 |
KHz |
3 |
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640 x 480 |
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60 |
Hz, |
31.5 |
KHz |
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For Analog sync, switch 640x400@60Hz and |
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640x480@60Hz by [1]+[2] short cut key (primary |
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= 640x480@60Hz) |
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640 x 480 |
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67 |
Hz, |
35 |
KHz |
3 |
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9 |
640 x 480 |
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72 |
Hz, |
37.9 |
KHz |
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10 |
640 x 480 |
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75 |
Hz, |
37.5 |
KHz |
3 |
3 |
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11 |
640 x 480 |
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85 |
Hz, |
43.3 |
KHz |
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For Analog sync, the image vertical size image will |
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720 x 400 |
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70 |
Hz, |
31.5 |
KHz |
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be not full screen (Still at the center), And the OSD |
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640x350/640x400/720x400 |
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720x400). |
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For Analog sync, the image vertical size image will |
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720 x 400 |
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37.9 |
KHz |
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be not full screen (Still at the center), And the OSD |
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will be 640x350/640x400/720x400 (primary = |
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720x400). |
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14 |
720 x 480 |
@ |
60 |
Hz, |
31.5 |
KHz |
3 |
3 |
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3 |
For Analog sync, the image vertical size image will |
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ViewSonic Corporation |
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VX2245wm-1 |
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Confidential - Do Not Copy |
8
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be not full screen (Still at the center),and the |
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information OSD shows 640x480 |
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For Analog sync, the image vertical size image will |
15 |
720 x 576 |
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50 |
Hz, |
31.3 |
KHz |
3 |
3 |
3 |
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be not full screen (Still at the center),and the |
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information OSD shows 800x600 |
16 |
800 x 600 |
@ |
56 |
Hz, |
35.1 |
KHz |
3 |
3 |
3 |
3 |
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17 |
800 x 600 |
@ |
60 |
Hz, |
37.9 |
KHz |
3 |
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3 |
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18 |
800 x 600 |
@ |
72 |
Hz, |
48.1 |
KHz |
3 |
3 |
3 |
3 |
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19 |
800 x 600 |
@ |
75 |
Hz, |
46.9 |
KHz |
3 |
3 |
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20 |
800 x 600 |
@ |
85 |
Hz, |
53.7 |
KHz |
3 |
3 |
3 |
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21 |
832 x 624 |
@ |
75 |
Hz, |
49.7 |
KHz |
3 |
3 |
3 |
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22 |
1024 x 768 |
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50 |
Hz, |
39.6 |
KHz |
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For Analog sync, Switch 1024x768@50Hz and |
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3 |
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3 |
1280x768@50Hz by [1]+[2] short cut key (primary |
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= 1024x768@50Hz) |
23 |
1024 x 768 |
@ |
60 |
Hz, |
48.4 |
KHz |
3 |
3 |
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24 |
1024 x 768 |
@ |
70 |
Hz, |
56.5 |
KHz |
3 |
3 |
3 |
3 |
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25 |
1024 x 768 |
@ |
75 |
Hz, |
60 |
KHz |
3 |
3 |
3 |
3 |
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26 |
1024 x 768 |
@ |
75 |
Hz, |
60.2 |
KHz |
3 |
3 |
3 |
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27 |
1024 x 768 |
@ |
85 |
Hz, |
68.7 |
KHz |
3 |
3 |
3 |
3 |
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28 |
1152 x 864 |
@ |
75 |
Hz, |
67.5 |
KHz |
3 |
3 |
3 |
3 |
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29 |
1152 x 870 |
@ |
75 |
Hz, |
68.7 |
KHz |
3 |
3 |
3 |
3 |
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30 |
1280 x 768 |
@ |
50 |
Hz, |
39.6 |
KHz |
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For Analog sync, Switch 1024x768@50Hz and |
3 |
3 |
3 |
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1280x768@50Hz by [1]+[2] short cut key (primary |
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= 1024x768@50Hz) |
31 |
1280 x 768 |
@ |
60 |
Hz, |
47.4 |
KHz |
3 |
3 |
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32 |
1280 x 768 |
@ |
60 |
Hz, |
47.8 |
KHz |
3 |
3 |
3 |
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33 |
1280 x 768 |
@ |
75 |
Hz, |
60.3 |
KHz |
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For Analog sync, Switch 1024x768@75Hz and |
3 |
3 |
3 |
3 |
1280x768@75Hz by [1]+[2] short cut key (primary |
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= 1024x768@75Hz) |
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For Analog sync, Switch 1024x768@85Hz and |
34 |
1280 x 768 |
@ |
85 |
Hz, |
68.6 |
KHz |
3 |
3 |
3 |
3 |
1280x768@85Hz by [1]+[2] short cut key (primary |
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= 1024x768@85Hz) |
35 |
1280 x 960 |
@ |
50 |
Hz, |
49.4 |
KHz |
3 |
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36 |
1280 x 960 |
@ |
60 |
Hz, |
59.7 |
KHz |
3 |
3 |
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37 |
1280 x 960 |
@ |
75 |
Hz, |
75.2 |
KHz |
3 |
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38 |
1280 x 1024 |
@ |
50 |
Hz, |
52.7 |
KHz |
3 |
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39 |
1280 x 1024 |
@ |
60 |
Hz, |
64 |
KHz |
3 |
3 |
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40 |
1280 x 1024 |
@ |
70 |
Hz, |
74.6 |
KHz |
3 |
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41 |
1280 x 1024 |
@ |
72 |
Hz, |
76.8 |
KHz |
3 |
3 |
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42 |
1280 x 1024 |
@ |
75 |
Hz, |
80 |
KHz |
3 |
3 |
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43 |
1360 x 768 |
@ |
60 |
Hz, |
47.7 |
KHz |
3 |
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44 |
1400 x 1050 |
@ |
50 |
Hz, |
54.1 |
KHz |
3 |
3 |
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45 |
1400 x 1050 |
@ |
60 |
Hz, |
64.7 |
KHz |
3 |
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For analog sync,, Switch 1400x1050@60Hz and |
46 |
1400 x 1050 |
@ |
60 |
Hz, |
65.3 |
KHz |
3 |
3 |
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3 |
1680x1050@60Hz by [1]+[2] short cut key |
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(primary = 1680x1050@60Hz) |
47 |
1400 x 1050 |
@ |
75 |
Hz, |
82.3 |
KHz |
3 |
3 |
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48 |
1440 x 900 |
@ |
60 |
Hz, |
55.5 |
KHz |
3 |
3 |
3 |
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49 |
1440 x 900 |
@ |
60 |
Hz, |
59.9 |
KHz |
3 |
3 |
3 |
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50 |
1440 x 900 |
@ |
75 |
Hz, |
75 |
KHz |
3 |
3 |
3 |
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51 |
1600 x 1200 |
@ |
60 |
Hz, |
75 |
KHz |
3 |
3 |
3 |
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52 |
1680 x 1050 |
@ |
60 |
Hz, |
65.3 |
KHz |
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For analog sync,, Switch 1400x1050@60Hz and |
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1680x1050@60Hz by [1]+[2] short cut key |
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(primary = 1680x1050@60Hz) |
*1. Tolerance ±2KHz. (if the range dose not cover other timing mode)
*2. Any timing not in the list, it should display as normal or show on “OUT OF RANGE” OSD message with blanking. *3. The image quality of 85Hz mode might be worse than 75Hz.
Primary Presets
1680x1050 @ 60Hz
User Presets
Number of User Presets (recognized timings) Available: 10 presets total in FIFO configuration
ViewSonic Corporation |
|
VX2245wm-1 |
Confidential - Do Not Copy |
9
Changing Modes
Maximum Mode Change Blank Time for image stability : 5 seconds (Max), excluding “Auto Adjust” time
Under DOS mode (640 x 350, 720 x 400 & 640 x 400), it should recall factory setting when execute “Auto Adjust”
The monitor needs to do “Auto Adjust” the first time a new mode is detected (see section “0-Touch™ Function Actions”)
While running Change Mode, Auto Adjust or Memory Recall, the image shall blank
4-5 FRONT PANEL CONTROLS AND INDICATORS
Front Panel Hardware Controls
Power Switch (Front Head) |
Power Control, soft Power Switch. |
Power LED (Front Head) |
Blue – ON |
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Orange – Active Off |
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Dark = Soft Power Switch OFF |
Front Panel Controls (Head) |
[ 1 ] Button 1 |
[ 1 ] [ 2 ] [ ] [▼] [▲] |
[ 2 ] Button 2 |
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[ ] Power |
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[▼] Down arrow button |
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[▲] UP ARROW BUTTON |
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Note: Power Button, Button 1 and Button 2 must be one-shot |
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logic operation. (i.e. there should be no cycling) |
Reaction Time |
OSD must fully appear within 0.5s after pushing Button 1 |
Short Cuts Function from the button(s)
[1] |
Main Menu |
[2] |
Input toggle (Analog or Digital) |
[▼] |
To immediately activate Brightness/Contrast menu. |
[▼] +[▲] |
Recall both of Contrast and Brightness to default |
[1] + [2] |
Toggle 720x400 and 640x400 mode when input 720x400 or 640x400 |
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mode |
[1] + [▼] + [▲] |
White Balance. (Not shown on user’s guide) |
(Keep pushing 3 sec) |
Power Lock |
[1] + [▼] |
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[1] + [▲] |
OSD Lock |
[▲] |
Essential mode switch |
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Standard ->Text -> Cinema -> Game -> Portrait -> Scenery -> Vivid |
[2] + [▲] |
Skin tone switch |
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Nature -> Reddish -> yellowish |
[▼] +[▲] + [ ] |
Factory Mode |
Remark : All the short cuts function are only available while OSD off
Main Menu Controls
Auto Image Adjust*1 Contrast/Brightness*2*4 Input Select
Analog, Digital Audio Adjust
Volume*4, Mute*4
Color Adjust
SRGB, 9300K,7500K, 6500K(default), 5400,User Color [R, G, B]
Information [H Frequency, V Frequency, Resolution, Pixel Clock, Serial Number, Model Number, [“www.ViewSonic.com” ]
Manual Image Adjust
Horizontal Size*1, H/V. Position*1, Fine Tune*1, Sharpness*3 , Opticolor [Standard, Text , Cinema, Game, Portrait, Scenery, Vivid ], Opticolor Skin Tone[Nature, reddish ,yellowish]
Setup Menu
ViewSonic Corporation
Confidential - Do Not Copy |
VX2245wm-1 |
10
Language [English, French, German, Italian, Spanish, Finnish, Japanese, Simplified Chinese, Traditional Chinese], Resolution Notice, OSD Position, OSD Timeout, OSD Background
Memory Recall
*1 These functions are not available in Digital Mode
*2 These functions are not available under SRGB Mode, Opticolor On, and Opticolor Skin Tone On *3 These functions are not available under Native Resolution Mode
*4 These functions setting can be recalled to default value by pressing [▼]+[▲]
[Remark] Please refer to the detail in the Appendix C
Function descriptions
OSD Lock short cuts function for the buttons
The OSD lock will be activated by pressing the front panel control buttons "(1), & (▲)" for 10 seconds. If the user then tries to access the OSD by pressing any of the buttons "1", "▼", "▲", "2" a message will appear on the screen for 3 seconds showing "OSD Locked". The OSD lock will be deactivated by pressing the front panel control buttons "(1), & (▲)" again for 10 seconds.
Note1: When the OSD is locked will lock all functions, including “Volume” and “Mute”
Note 2: Status bar indicating OSD Lock or Unlock is in progress and when complete it will indicate “OSD Locked”
Note 3: OSD Lock should not lock Power Button and Power Lock function
4-6 AUDIO INTERFACE (LCD SIDE-SPEAKER SPECIFICATION)
Line input signal |
1.0 Vrms @1kHz |
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Line input impedance |
10 kOhm |
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Maximum Amp power output (Watt) |
2 W (RL=4Ω) |
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Amp -THD |
< 10 % THD @1kHz |
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Speaker Power rating(Ω/Watt) |
4Ω/2.5 W (TYP.) ; 4Ω/ 3 W (MAX) |
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Signal to Noise Ratio |
72 dB |
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Frequency response |
Fo – 20kHz |
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SPL. |
85 ± 3 dB (at 0.5m) |
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FO |
300 Hz |
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Line input connection |
3.5 mm stereo jacks |
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Vibration |
There should be no audible vibration resonance at |
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volume=100% & treble / bass in def. Value |
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Screen image |
There should be no affect on the screen image stability under |
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any conditions |
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Connector PC99 requirement Audio in |
Lime Green pantone # 577C |
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Cable type / length |
3.5mm stereo cable / 1.8m length |
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Audio DPMS |
SPEAKERS STAY OFF WHEN THE REST OF THE MONITOR |
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IS IN POWER SAVING |
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* No any sympathetic or abnormal noise allowed.
ViewSonic Corporation |
|
VX2245wm-1 |
Confidential - Do Not Copy |
11
4-7 TFT LCD PANEL 1st Source Panel
Model number |
CMO A220Z1 |
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Type |
TN type with RSDS interface |
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Active Size |
22” wide ; 473.76 (H) x 296.1 (V) |
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Pixel Arrangement |
RGB Vertical Stripe |
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Pixel Pitch |
0.282(H) x 0.282(H) mm |
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Glass Treatment |
Anti Glare (Hard coating 3H) |
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# of Backlights |
4 CCFL ; Top & Bottom edge side |
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Backlight Life |
40,000 Hours (Min) |
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Luminance (5-point) – |
280 cd/m2 (Typ after 30 minute warm up) |
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Condition: |
200 cd/m2 (Min after 30 minute warm up) |
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CT = 6500K, Contrast = Max, Brightness = |
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Max |
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Brightness Uniformity |
77 % (Typ) / 67 % (Min) |
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Contrast Ratio |
700:1 (typ), 450:1 (min) |
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Color Depth |
16.2 million colors (6 bits + 2 bits FRC) |
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Viewing Angle (Horizontal) |
@ CR>10 |
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Typical: |
170º |
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Minimum: 150º |
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Viewing Angle (Vertical) |
@ CR>10 |
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Typical: |
160º |
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Minimum: |
140º |
Response Time |
Typical = 5ms (Tr =2 ms,Tf =3 ms) |
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10%-90% @ Ta=25°C |
Maxmum = 15ms (Tr =7 ms,Tf =8 ms) |
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Mercury |
3.0 mg per lamp |
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Panel Defects |
Please see Panel Quality Specifications. |
*The average of measured value from monthly shipment shall be equal or better than the Typical value above. 4-8 IMAGE PERFORMANCE
Factory Defaults
Item |
Defaults |
Contrast |
70% |
Brightness |
100% |
Color Temperature |
6500K |
Sharpness |
100% |
OSD H. Position |
50% |
OSD V. Position |
50% |
720x400/640x400 |
720x400 |
Item |
Defaults |
OSD Time Out |
15 Sec |
OSD Background |
On |
Volume |
90% |
Treble |
N/A |
Bass |
N/A |
Input Priority |
Auto Search |
Resolution Notice |
Enabled |
Display Size
Horizontal Display Size, Primary Preset |
Full Screen |
Vertical Display Size, Primary Preset |
Full Screen |
Luminance
Lv (Max) – |
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Condition: |
Lv (Max) = The Luminance in section |
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Brightness = 100% |
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CCT = User color(R/G/B=100%) |
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Lv (sRGB) – |
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Condition: |
110 nits Lv (sRGB) 140 nits |
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Brightness = Default |
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CCT = sRGB |
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Lv (6500k) – |
Lv (6500K) / Lv (Max) x 100% > 85% |
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Condition: |
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Contrast = Default |
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Brightness = Default |
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CCT = 6500K |
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Lv (9300k) – |
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Condition: |
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Contrast = Default |
Lv (9300k) / Lv (Def) x 100% > 70% |
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Brightness = Default |
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Color Temperature = 9300K |
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Lv (7500k) – |
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Condition: |
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Contrast = Default |
Lv (7500k) / Lv (Def) x 100% > 75% |
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Brightness = Default |
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Color Temperature = 7500K |
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Lv (5400k) – |
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Condition: |
Lv (5400k) / Lv (Def) x 100% > 75% |
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Contrast = Default |
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Brightness = Default |
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Color Temperature = 5400K |
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Lv (Brightness) –Condition: |
Lv(Brightness=0%) / Lv(Brightness=100%) x |
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Contrast = 100% |
100% 55% |
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Lv (Contrast) –Condition: |
Lv(Contrast =0%) / Lv(Contrast =100%) x 100% |
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Brightness = 100% |
30% |
Contrast Ratio |
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CR(Max) –Condition: |
Same as the Contrast Ratio in section 4-6 “TFT LCD |
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Contrast / Brightness = 100% |
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PANEL” |
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CCT = USER COLOR (R/G/B=100%) |
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CR(6500K) –Condition: |
CR(6500K) / CR(Max) 85% |
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Contrast / Brightness = Default |
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CCT = 6500K |
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* 50% units of shipment shall be equal or better than typical CR spec.
Saturation
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Contrast = Default |
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No visible saturation |
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Brightness = Default |
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Test Pattern = 64-Gray |
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Contrast =100% |
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>1 and <3 – level saturation |
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Brightness = 100% |
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Test Pattern = 32-Gray |
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Preset Color Temperatures |
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sRGB |
It should meet IEC 61966-2-1 (1999-10) standard. |
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Preset 1 |
CCT (typ) = 9300K |
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x=0.283±0.03 |
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y=0.298±0.03 |
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Preset 2 |
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CCT (typ) = 7500K |
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x=0.299±0.03 |
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y=0.315±0.03 |
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Preset 3 (Primary) |
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CCT (typ) = 6500K |
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x=0.313±0.03 |
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y=0.329±0.03 |
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Preset 4 |
CCT (typ) = 5400K |
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x=0.336±0.03 |
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y=0.348±0.03 |
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Preset Color Temperature |
Each color preset shall be adjustable. Red, Green, and Blue shall |
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Adjustability |
be individually controlled. |
* Any gray level and Contrast/Brightness should not get reddish, greenish or bluish.
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3. Front Panel Function Control Description
Adjusting the Screen Image
Use the buttons on the front control panel to display and adjust the OSD controls which display on the screen. The OSD controls are explained at the top of the next page and are defined in “Main Menu Controls” on page 10.
Displays the control screen for the highlighted control.
Also toggles between two controls on some screens.
Also a shortcut to Auto Image Adjust.
Displays the Main Menu or exits the control screen and saves adjustments.
Main Menu
with OSD controls
Front Control Panel shown below in detail
Standby Power On/Off
Power light
Blue = ON
Orange = Power Saving
Scrolls through menu options and adjusts the displayed control.
Also a shortcut to display the Contrast adjustment control screen (T) / OptiColor (S)
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Do the following to adjust the display setting:
1. To display the Main Menu, press button [1].
NOTE: All OSD menus and adjustment screens disappear automatically after about 15 seconds. This is adjustable through the OSD timeout setting in the setup menu.
2.To select a control to adjust, pressSorTto scroll up or down in the Main Menu.
3.After the desired control is selected, press button [2]. A control screen like the one shown below appears.
The command line at the bottom of the control screen tells what to do next from this screen. You can toggle between control screens, adjust the selected option, or exit the screen.
4.To adjust the setting, press the up S or down T buttons.
5.To save the adjustments and exit the menu, press button [1] twice.
The following tips may help you optimize your display:
•Adjust the computer's graphics card so that it outputs a 1680 x 1050 @ 60Hz video signal to the LCD display. (Look for instructions on “changing the refresh rate” in the graphics card's user guide.)
•If necessary, make small adjustments using H. POSITION and V. POSITION until the screen image is completely visible. (The black border around the edge of the screen should barely touch the illuminated “active area” of the LCD display.)
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Main Menu Controls
Adjust the menu items shown below by using the up S and down T buttons.
Control Explanation
Auto Image Adjust sizes and centers the screen image automatically.
Contrast adjusts the difference between the image background (black level) and the foreground (white level).
Brightness adjusts background black level of the screen image.
Input Select toggles between inputs if you have more than one computer connected to the VX2245wm.
Audio Adjust
Volume increases the volume, decreases the volume, and mutes the audio.
Mute temporarily silences audio output.
Color Adjust provides several color adjustment modes, including preset color temperatures and a User Color mode which allows independent adjustment of red (R), green (G), and blue (B). The factory setting for this product is 6500K (6500 Kelvin).
sRGB-This is quickly becoming the industry standard for color management, with support being included in many of the latest applications. Enabling this setting allows the LCD display to more accurately display colors the way they were originally intended. Enabling the sRGB setting will cause the Contrast and Brightness adjustments to be disabled.
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Control Explanation
9300K-Adds blue to the screen image for cooler white (used in most office settings with fluorescent lighting).
7500K - Adds blue to the screen image for cooler white (used in most office settings with fluorescent lighting).
6500K-Adds red to the screen image for warmer white and richer red.
5400K-Adds green to the screen image for a darker color.
User Color Individual adjustments for red (R), green (G), and blue (B).
1.To select color (R, G or B) press button [2].
2.To adjust selected color, pressSandT.
Important: If you select RECALL from the Main Menu when the product is set to a Preset Timing Mode, colors return to the 6500K factory preset.
Information displays the timing mode (video signal input) coming from the graphics card in the computer, the LCD model number, the serial number, and the ViewSonic® website URL. See your graphics card’s user guide for instructions on changing the resolution and refresh rate (vertical frequency). NOTE: VESA 1680 x 1050 @ 60Hz (recommended) means that the resolution is 1680 x 1050 and the refresh rate is 60 Hertz.
Manual Image Adjust
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Control Explanation
Horizontal Size adjusts the width of the screen image.
H./V. Position (Horizontal/Vertical Position) moves the screen image left or right and up or down.
Fine Tune sharpens the focus by aligning text and/or graphics with pixel boundaries.
NOTE: Try Auto Image Adjust first.
Sharpness adjusts the clarity and focus of the screen image.
OptiColor Mode provides an optimum display environment depending on the contents displayed. It contains 7 user-selectable presets. These 7 presets are easily accessible from the short cut keys.
Standard is for general windows environment and monitor default setting.
Text optimized for text editing and viewing in a word processing environment.
Cinema optimized for movie and video environment.
Game optimized for PC/TV game environment.
Portrait optimized for displaying indoor portraits and enhancing pictures.
Scenery optimized for displaying outdoor scenery images.
Vivid optimized for color luster and sharpness.
These 7 presets are carefully chosen by Viewsonic, but may not suit all users' tastes. In that case, the user can either return to the Standard setting and manually adjust the brightness and contrast as desired.
OptiColor Skin Tone includes 3 presets (Natural / Red Tone / Yellow Tone) which user can select according to user's preference.
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Control Explanation
Setup Menu displays the menu shown below:
Language Select allows the user to choose the language used in the menus and control screens.
Resolution Notice allows the user to enable or disable this notice.
If you enable the Resolution Notice shown above and your computer is set at a resolution other than 1680 x 1050, the following screen appears.
OSD Position allows the user to move the OSD menus and control screens.
OSD Timeout sets the length of time the OSD screen is displayed. For example, with a “30 second” setting, if a control is not pushed within 30 seconds, the display screen disappears.
OSD Background allows the user to turn the OSD background On or Off.
Memory Recall returns the adjustments back to factory settings if the display is operating in a factory Preset Timing Mode listed in the Specifications of this manual.
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Physical Description
Please refer to the following illustrations to identify the components of the ViewDock.
Front View
Rear view
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Card Reader Installation
Refer to the following information
After connecting the ViewDock to your PC, Windows File Manager will show 4 extra icons.
Step1. Please check your card socket
Step2. Insert your memory card. Each slot of the card reader will be recognized as a
Removable Disk and the icon will be shown in "My Computer" of Windows
You do not need to install any special drivers for the Card Reader if your OS is Windows 2000/ ME/XP.
Card reader Installation guide for Windows 98SE :
(Please do not connect the ViewDock to your PC's USB port before running the CD):
1.Insert the driver CD into the CD-ROM
2.Please launch the .exe file and the driver will be installed automatically.
3.After completing installation, connect the ViewDock to your PC's USB port. The card reader is now operational.
4.Each slot of the card reader will be recognized as a Removable Disk and the icon will be shown in "My Computer."
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USB Hub Installation
Refer to the following information
Downstream port
Connect to device
Type A female
Connect any USB devices via the USB ports on the ViewDock.
Windows will auto detect and install the generic Windows USB driver for USB 1.1/2.0 device operation. You do not need to install any special drivers for the USB Hub if your OS is Windows 2000/ ME/XP.
USB hub installation guide for Windows 98SE :
Insert the included CD into the CD-ROM drive. The Autorun feature will automatically begin the installation process. Follow
the instructions on the screen to install the driver. If the setup program does not start automatically, go to "My Computer" and
double-click on the CD-ROM drive, and select "Setup.exe" from the CD. Note: If USB device is not detected , does not work properly:
1.Double click the "System" icon in Control Panel.
2.Select the "Device Manager" tab from System Properties dialog window.
3.Select "Other devices" to see the contents.
4.Select "Unknown device" and click "Remove" button.
5.Click the "Refresh" button and system will find a new device.
ViewDockTM Connecting with iPod
Refer to the following information
1.Make sure the ViewDock power is ON.
2.Dock your iPod into the universal iPod docking station with the appropriate adapter insert.
3.The iPod LED indicator will turn on amber
4.Wait for a few seconds for the iTunes software to launch.
5.Play your favorite song with iTunes software (for all iPod models) or play music from iPod directly (excluding iPod shuffle.)
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iPod adapter insert description:
iPod with video adaptor is a default setting for multimedia base.
Subwoofer Volume Control
Refer to the following information
1.Adjust subwoofer volume via volume control
2."" Turn right to increases the subwoofer volume.
3."" Turn left to decreases the subwoofer volume.
4.In order to obtain the optimum listening environment, please adjust the volume of stereo speakers in the monitor head via the monitor OSD menu to match and balance the subwoofer volume.
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4. Circuit Description
1.RTD 2553V
Realtek RTD2553V series products are all-in-one LCD monitor controllers supporting UXGA / WSXGA+ / WXGA+ / SXGA (optional), and integrate Realtek high performance ADC, TMDS Rx(optional),scaling engine, OSD engine, LVDS Tx, RSDS Tx and so on. Moreover, all products are pin compatible in QFP128-pin package to save cost and make the design easier.
2. RTD2120
This chip is the micro-processor of LCD monitor. It uses the design ware DW8051 of Synopsys as the 8051 core of this chip and is compatible with other industry 8051 series. Also, 96Kbyte FLASH with 8 bit bus is embedded in this chip which is licensed from TSMC 0.18um e-FLASH process. Here we use the package of PLCC44/LQFP48 if we would like to have a discrete MCU controller or we make a multi-chip package with our LCD monitor controller to form one chip package to save the cost of package and PCB material.
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24
Analog EDID
Time: 13:26:13
Date: Thu Jun 08, 2006
______________________________________________________________________
______________________________________________________________________
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VIEWSONIC CORPORATION |
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EDID Version # 1, |
Revision # 3 |
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DDCTest For: ViewSonic VX2245wm |
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EDID Block 0, Bytes 0-127 |
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128 BYTES OF EDID CODE: |
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120 | 6D 0A 20 20 20 20 00 A9
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(08-09) |
ID Manufacturer Name ________________ |
= VSC |
(11-10) |
Product ID Code _____________________ |
= BB1E |
(12-15) |
Last 5 Digits of Serial Number ______ = Not Used |
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(16) |
Week of Manufacture _________________ |
= 01 |
(17) |
Year of Manufacture _________________ |
= 2006 |
(10-17) |
Complete Serial Number ______________ |
= See Descriptor Block |
(18) |
EDID Version Number _________________ |
= 1 |
(19) |
EDID Revision Number ________________ |
= 3 |
(20)VIDEO INPUT DEFINITION:
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Analog Signal |
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0.700, 0.300 (1.000 Vp-p) |
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Separate Syncs, Composite Sync, Sync on Green |
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(21) |
Maximum Horizontal Image Size ________________ |
= |
470 mm |
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(22) |
Maximum Vertical Image Size __________________ |
= |
300 mm |
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(23) |
Display Gamma ________________________________ |
= 2.20 |
(24)Power Management and Supported Feature(s):
Active Off/Very Low Power, Standard Default Color Space, Preferred Timing Mode
Display Type = R/G/B Color (25-34) CHROMA INFO:
Red X - 0.644 Green X - 0.286 Blue X - 0.143 White X - 0.313 Red Y - 0.347 Green Y - 0.603 Blue Y - 0.070 White Y - 0.329
(35)ESTABLISHED TIMING I:
720 X 400 @ 70Hz (IBM,VGA)
640 X 480 @ 60Hz (IBM,VGA)
640 X 480 @ 67Hz (Apple,Mac II)
640 X 480 @ 72Hz (VESA)
640 X 480 @ 75Hz (VESA)
800 X 600 @ 56Hz (VESA)
800 X 600 @ 60Hz (VESA)
(36)ESTABLISHED TIMING II: 800 X 600 @ 72Hz (VESA) 800 X 600 @ 75Hz (VESA)
832 X 624 @ 75Hz (Apple,Mac II)
1024 X 768 @ 60Hz (VESA)
1024 X 768 @ 70Hz (VESA)
1024 X 768 @ 75Hz (VESA)
1280 X 1024 @ 75Hz (VESA)
(37)Manufacturer's Reserved Timing: 1152 X 870 @ 75Hz (Apple,Mac II)
(38-53) Standard Timing Identification:
1680 X 1050 @60Hz
1600 X 1200 @60Hz
1440 X 900 @60Hz
1400 X 1050 @60Hz
1280 X 1024 @60Hz
1280 X 960 @60Hz
1152 X 864 @75Hz Not Used
______________________________________________________________________
(54-71) Detailed Timing / Descriptor Block 1:
1680x1050 Pixel Clock: 146.25 MHz
______________________________________________________________________
Horizontal Image Size: 474 mm |
Vertical Image Size: 296 mm |
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Refreshed Mode: Non-Interlaced |
Normal Display - No Stereo |
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