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Copyright © ViewSonic Corporation, 1998. All rights reserved. IBM XT, AT, 386, 486, Power PC, and PS/2 are registered trademarks and/or trademarks of International Business Machines Corporation. Pentium is a trademark of Intel Corporation. Macintosh and Power Macintosh are registered trademarks of Apple Computer, Inc. Windows is a registered trademark of Microsoft Corporation. ViewSonic, OnView, ViewMatch, SonicTron, ViewMeter, and ARAG are registered trademarks of ViewSonic Corporation. Displa
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Safety Guidelines Caution: Use a power cable that is properly grounded. Always use the AC cords listed below for each area: USA . . . . . . . . . . . . . . . . . . . . . . . . UL Canada . . . . . . . . . . . . . . . . . . . . . CSA Germany . . . . . . . . . . . . . . . . . . . . VDE Switzerland . . . . . . . . . . . . . . . . . . SEV Britain . . . . . . . . . . . . . . . . . . . . . . . BASEC/BS Japan . . . . . . . . . . . . . . . . . . . . . . . Electric Appliance Control Act In other areas, u
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CONTENTS Getting Started Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 E Unique Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 N G Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 L I Cleaning the Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 S Quick Installation . . . . . . . . . . . . . . . . . . . . . .
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Getting Started ® Congratulations on your purchase of a ViewSonic GT775 SonicTron monitor. Important! Save the original box and all packing material for future shipping needs. NOTE: The word "Windows" in this user's guide refers to the following Microsoft operating systems: Windows 95, Windows 98, Windows NT (5.0). E N Package Contents G L Your ViewSonic GT775 package includes the following: I ViewSonic GT775 monitor S Video cable with 15 pin mini D-sub connector H Power cord User’s gu
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Precautions For the best viewing conditions, sit at least 18" from the monitor. AVOID TOUCHING THE SCREEN WITH YOUR FINGERS. Oils from the skin are difficult to remove. NEVER REMOVE THE REAR COVER. The monitor contains high-voltage parts. You may suffer serious injury if you touch these parts. Avoid exposing the monitor to direct sunlight or another heat source. The E monitor should be facing away from direct sunlight to reduce glare. N G Choose a well ventilated area to position your
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® Plug & Play with Windows Plug and Play was designed to simplify the installation and configuration of hardware, such as your monitor, printer, modem, etc. After turning on your monitor, Windows either "detects" or "does not detect" your monitor. If your monitor was not detected, make certain that the following two files have been installed from the diskette/CD-ROM included with your monitor onto your hard drive. E • VS*.INF (Windows Information for Plug & Play) file, and N VS*.ICM (ICC
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Operation Adjust your ViewSonic GT775 monitor using the buttons on the Front Control Panel to access the Main Menu and the Control Screens (see pages 10-13). Front Control Panel To adjust the monitor, follow the numbered steps in sequence as shown below. E N G L I Press [] to scroll down, Press Button [2] to select Press Button S [] to scroll up Main the control you want to [1] to display H Menu to highlight name Main Menu adjust. See the example of Control Screen to be below. displayed
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® To exit the OnView menu or screen & save changes, press button [1]. OnView Main Menu, part 1, continued CONTRAST adjusts foreground white level of the screen image. [] to decrease contrast or [] to increase contrast. BRIGHTNESS adjusts background black level of the screen image. [] to decrease brightness or [] to increase brightness. E H. SIZE (Horizontal Size) adjusts the width of the screen image. [] N decreases width, [] increases width. G L H. POSITION (Horizontal Size) moves the
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® To exit the OnView menu or screen & save changes, press button [1]. OnView Main Menu, part 2 Main Menu [2] VIEWMETER CONVERGENCE V. LINEARITY FOCUS E PURITY N VIEWMATCH COLOR G INPUT SELECT L I EXIT: SELECT: S H ® VIEWMETER displays the frequency signal input (horizontal scan and refresh rate) coming from the graphics card in your computer. See your graphics card user's guide and the Glossary in this guide for more details. H. CONVERGENCE (Horizontal Convergence) adjusts horizontal color ali
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® To exit the OnView menu or screen & save changes, press button [1]. OnView Main Menu, part 2, continued ® VIEWMATCH COLOR provides four color adjustment options: three preset color temperatures and User Color, which allows you to individually adjust red, green, and blue (RGB). To activate one of the three preset color temperatures, highlight your selection by pressing [] or [] and then press button [2]. The factory E setting for the monitor is 9300°K , the color temperature most N freque
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® To exit the OnView menu or screen & save changes, press button [1]. OnView Main Menu, part 3 Main Menu [3] OSD POSITION MOIRE DEGAUSS E LANGUAGE N POWER SAVE G DATA RECALL L I S EXIT: SELECT: H OSD POSITION allows you to reposition the OnView display (including all menus and control screens). Press [] or [] to move the OSD. To exit this screen, press button [1]. MOIRE reduces interference that causes unwanted color textures or patterns. Press [] or [] until interference patterns disappea
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Technical Data Specifications CRT Type 17" (16.0" viewable diagonal) 0.25mm aperture grille pitch, 90° deflection ® Phosphor SonicTron RGB, medium-short persistence ® E Glass surface ARAG (Anti-reflection, Anti-glare) coating N Standard light transmission rate = 38% G L Input Signal Video RGB analog (0.7/1.0 Vp-p, 75 ohms) I Sync H/V separate (TTL), sync-on-green, composite sync S H f : 30-86 kHz, f : 50-160 Hz H V ® ® Compatibility PC IBM XT, AT, 386, 486, Pentium or PS/2 and compatibles (from
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Specifications, continued Display Area Factory Setting 300mm (H) x 225mm (V) Typical 11.8" (H) x 8.9" (V) Full Scan 328mm(H) x 246mm(V) (Depends on signal timing) 12.9" (H) x 9.7" (V) E N Operating Temperature 32°F to 104°F (0°C to 40°C) G Conditions Humidity 5% to 95% (no condensation) L Altitude To 10,000 feet (3,000m) I Storage Temperature -40°F to +140°F (-40°C to +60°C) S Conditions Humidity 5% to 95% (no condensation) H Altitude To 40,000 feet (12,000m) Dimensions Physical 417mm (W) x 430m
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Factory Preset Timings Timings shown below have been pre-adjusted for this monitor. For the best performance, use the recommended setting shown in bold. For more information, see your graphics card user's guide. Timing Horiz. Freq. (kHz) Vert. Freq. (Hz) Polarity (H/V) 1 VESA 640 x 400 31.47 70.00 -/+ E 2 Ind VGA 640 x 480 31.47 60.00 -/- N 3 VESA 640 x 480 37.50 75.00 -/- G 4 VESA 800 x 600 46.87 75.00 +/+ L I 5 VESA 800 x 600 53.68 85.00 +/+ S 6 VESA 1024 x 768 60.00 75.00
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Troubleshooting No power � Press Power button (or flip power switch) ON. Make sure A/C power cord is securely connected to back of monitor and to a power outlet. Plug another electrical device (like a radio) into power outlet to verify that outlet is supplying proper voltage. E N Power on but no screen image G Make sure video cable supplied with monitor is tightly secured to video output L port on back of computer. If other end of video cable is not attached I permanently to monitor, tight
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Glossary Convergence Alignment of the red, green, and blue components of an image on the screen. CRT Cathode ray tube, also called picture tube. A type of display in which images are created by electron beams that cause phosphors to glow inside the surface of a glass screen. Aperture grille pitch The distance between two phosphors of the same color - normally expressed in millimeters. Images look finer and crisper when the aperture E grille pitch is smaller. N TM G DPMS Display Power Management
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Index A/C power 17 Non-DDC 8 Ammonia 6 Non-interlaced 17, 18 Aperture grille pitch 5, 14 Non-static 19 ® ARAG coating 5, 14 OSD Position 13 CD-ROM 5, 8 Package contents 56 Cleaning 6 Parallelogram 10 ® Color, ViewMatch 11, 12 PC 6, 13 E Compatibility 14, 15 Phosphors 13, 17 N Composite sync 14, 16 Pin-balance 10 G Connector 5, 14 Pincushion 10 L Consumption 14 Plug & Play 5, 8, 18 I Convergence 9, 18 Polarity 16 S Control Panel, Front 9 Power 14, 17 H CRT 14, 18 Power
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LIMITED WARRANTY VIEWSONIC GT775 MONITORS What the warranty covers: ® ViewSonic warrants its products to be free from defects in material and workmanship during the warranty period. If a product proves to be defective in material or workmanship during the warranty period, ViewSonic will at its sole option repair or replace the product with a like product. Replacement product or parts may include remanufactured or refurbished parts or components. How long the warranty is effective: ViewSonic GT77
