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VG1655
Display
User Guide
IMPORTANT: Please read this User Guide to obtain important information on installing and using your product in
a safe manner, as well as registering your product for future service. Warranty information contained in this User
Guide will describe your limited coverage from ViewSonic® Corporation, which is also found on our web site at
http://www.viewsonic.com in English, or in specific languages using the Regional selection box in the upper right
corner of our website. "Antes de operar su equipo lea cu idadosamente las instrucciones en este manual"
Model No. VS18172
P/N: VG1655

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Questions and answers

Kettina Cordero
March 8, 2025

I cannot adjust the resolution of this monitor for the life of me and it's annoying as hell as it keeps telling me to adjust the resolution. This is the worst monitor I have ever had. Anyone has any idea how to fix this short of throwing this monitor in the garbage and buying another one? Thanks,

1 comments:
Mr. Anderson
May 14, 2025

To adjust the resolution on a ViewSonic VG1655 monitor, set the resolution to the correct aspect ratio. This can help resolve issues like a blurry screen. Use your computer’s display settings to select the appropriate resolution that matches the monitor's native resolution.

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Summary of Contents for ViewSonic VG1655

  • Page 1 Warranty information contained in this User Guide will describe your limited coverage from ViewSonic® Corporation, which is also found on our web site at http://www.viewsonic.com in English, or in specific languages using the Regional selection box in the upper right corner of our website.
  • Page 2 As a world-leading provider of visual solutions, ViewSonic® is dedicated to exceeding the world’s expectations for technological evolution, innovation, and simplicity. At ViewSonic®, we believe that our products have the potential to make a positive impact in the world, and we are confident that the ViewSonic® product you have chosen will serve you well.
  • Page 3: Safety Precautions

    Do not place any heavy objects on the device or connection cables. • If smoke, an abnormal noise, or a strange odor is present, immediately turn the device off and call your dealer or ViewSonic®. It is dangerous to continue using the device. •...
  • Page 4 • When connecting to a power outlet, DO NOT remove the grounding prong. Please ensure grounding prongs are NEVER REMOVED. • Protect the power cord from being treaded upon or pinched, particularly at the plug, and at the point where it emerges from the equipment.
  • Page 5: Table Of Contents

    Contents Safety Precautions ............3 Introduction ..............7 Package Contents ....................7 Product Overview ....................8 Front and Left Side View ..................8 Rear and Right Side View ..................8 I/O Ports ......................... 8 Initial Setup ..............9 Installing the Cover ....................9 Using the Cover and Stand ..................9 Making Connections ..........
  • Page 6 Regulatory and Service Information ......35 Compliance Information ..................35 FCC Compliance Statement ................... 35 Industry Canada Statement ................... 35 Declaration of RoHS2 Compliance................. 36 Indian Restriction of Hazardous Substances ............37 Product Disposal at End of Product Life ..............37 Copyright Information ..................38 Customer Service ....................
  • Page 7: Introduction

    Introduction Package Contents • Portable Display • Power adapter • USB Type C cable • USB Type C to Type A cable • Mini HDMI to HDMI cable • Protective cover • Cleaning cloth • Quick start guide NOTE:  The power adapter and video cables included in your package may vary depending on your country.
  • Page 8: Product Overview

    Product Overview Front and Left Side View Rear and Right Side View Stand Power LED Joy Key I/O Ports Type C Type C HDMI USB Type C Audio Out Mini HDMI NOTE:  For more information about the Middle (l)//‚/ƒ/„ key and its functions, refer to “Hot Keys”...
  • Page 9: Initial Setup

    Initial Setup Installing the Cover Using the Cover and Stand NOTE:  Always place the device on a flat, stable surface. Failure to do so may cause the device to fall and damage the device and/or result in personal injury.
  • Page 10: Making Connections

    Making Connections Connecting to Power The monitor can be powered in any of the following configurations: • Type C Connection (The power output must be greater than 10W) • Type A Connection (The power output must be greater than 10W) •...
  • Page 11: Connecting External Devices

    Connecting External Devices Your external device(s) can be connected in any of the following configurations: • Type C Connection Connect a Type C cable from your external device to a Type C port on the monitor. or or (The power output must be greater than 10W) •...
  • Page 12: Power Delivery

    Power Delivery Powering a Notebook or Mobile Phone If the included power adapter is connected to the monitor, then the monitor can charge a connected notebook or mobile phone. NOTE:  Power Delivery Output: DC 5V/9V/12V/15V/20V/Max 3A. 100-240 Vac 50/60 Hz Power Supply Detection This product will detect if the power supply device is an adapter, laptop or mobile phone.
  • Page 13: Power Delivery - Further Information

    NOTE:  • If the laptop has a Type C port, please connect via Type C to the VG1655. • Do not connect the other Type C port of the VG1655 to another laptop or desktop computer via Type A and HDMI at the same time.
  • Page 14: Using The Monitor

    Using the Monitor Adjusting the Viewing Angle Tilt Angle Adjustment Tilt the monitor backwards to the desired viewing angle via the attached stand (20˚ to 60˚). NOTE:  When adjusting, support the monitor firmly with one hand while tilting the stand backwards with the other hand. 14 14...
  • Page 15: Turning The Device On/Off

    Turning the Device On/Off 1. Connect to a power source in one of the available configurations. For more information, see page 10. 2. Press the Middle (l) button to turn on the monitor. 3. To turn the monitor off, press the Middle (l) button again. NOTE: ...
  • Page 16: Quick Menu

    Quick Menu Press the /‚/ƒ/„ key to activate the Quick Menu. ViewMode Contrast/Brightness Input Select Main Menu Exit NOTE:  Follow the key guide that appears on the screen to select the option or make adjustments. Description Menu Select one of the preset color settings. ViewMode Contrast/Brightness Adjust the contrast or brightness level.
  • Page 17: Hot Keys

    Hot Keys When the On-Screen Display (OSD) Menu is off, you can quickly access special functions by using the control panel keys. Description Press and hold the key to lock/unlock the OSD Menu. When the menu appears on the screen, continue holding the key for 5 seconds to lock/unlock the OSD Menu.
  • Page 18 Description Press and hold the key to lock/unlock the button. Power When the menu appears on the screen, continue holding the key for 5 seconds to lock/unlock the button. Power Power Lock/Unlock Locking Power Button Press and hold for 10s to lock power If the button is locked, the below message will appear on...
  • Page 19 Description Press and hold the key for 5 seconds to turn on DDC/CI and DDC/2B. DDCCI/DDC2B Press to turn on...
  • Page 20: Configuring The Settings

    Configuring the Settings General Operations 1. Press the Middle (l) key to display the On-Screen Display (OSD) Menu. Input Audio Adjust ViewMode Color Adjust Manual Image Setup Menu Select Adjust Type C 1 Type C 2 HDMI 1920 x 1080 @ 60Hz 2.
  • Page 21 3. Press the  or ‚ key to select the desired menu option. Then press the Middle (l) key to enter the sub-menu. Input Audio Adjust ViewMode Color Adjust Manual Image Setup Menu Select Adjust Contrast/Brightness sRGB Color Temperature Bluish Color Space Cool Color Range...
  • Page 22: On-Screen Display (Osd) Menu Tree

    On-Screen Display (OSD) Menu Tree Menu Option Main Menu Sub-menu Type C Input Select HDMI Volume (-/+, 0~100) Audio Adjust Mute ViewMode Text Custom 1/2/3 Low Input Lag Black (-/+, 0~100) Stabilization Advanced DCR (-/+, 0~100) Response Time Standard Advanced Ultra Fast (-/+, 0~100) Green...
  • Page 23 Menu Option Main Menu Sub-menu Movie ViewMode Mono FPS 1 FPS 2 Game MOBA Contrast (-/+, 0~100) Color Adjust Contrast/ Brightness Brightness (-/+, 0~100) Color sRGB Temperature Bluish Cool Native Warm (-/+, 0~100) Green (-/+, 0~100) User Color Blue (-/+, 0~100) Auto Color Space Auto...
  • Page 24 Menu Option Main Menu Sub-menu Language English Setup Menu Select Français Deutsch Español Italiano Suomi Svenska Русский Türkçe Česká 日本語 한국어 繁體中文 简体中文 Resolution Notice Information OSD Time Out (-/+, 5/15/30/60) Background 0° OSD Pivot 90° Power Indicator Boot Up Screen Auto Power...
  • Page 25 Menu Option Main Menu Sub-menu Sleep 30 Minutes Setup Menu 45 Minutes 60 Minutes 120 Minutes Standard Optimize ECO Mode Conserve DDC/CI Auto Detect All Recall...
  • Page 26: Appendix

    Appendix Specifications Specifications Item Category TFT Active Matrix 1920 x 1080 LCD; Type 0.1792 (H)mm x 0.1792 (V)mm pixel pitch Display Size 39.6 cm, 16" (15.6” viewable) RGB Vertical stripe Color Filter type, 3H hard coating Glass Surface Anti-Glare TMDS digital (100 Ω) Video Sync HDMI (v 1.4): f 15-82 Khz, f...
  • Page 27 Do not set the graphics card in your computer to exceed these timing modes; doing so may result in permanent damage to the display. Please use the power adapter from ViewSonic® or an authorized source only. The test condition follows EEI standards.
  • Page 28: Glossary

    Glossary This section describes the standard glossary of terms used in all LCD display models. All terms are listed in alphabetical order. NOTE:  Some terms may not be applicable to your monitor. Advanced DCR Advanced DCR technology automatically detects the image signal and intelligently controls the backlight brightness and color to improve on the ability to make the black blacker in a dark scene, and make the white whiter in a bright environment.
  • Page 29 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 cards’s user guide for instructions on changing the resolution and refresh rate (vertical frequency).
  • Page 30 Manual Image Adjust Displays the “Manual Image Adjust” menu. You can manually set a variety of image quality adjustments. 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. NOTE: ...
  • Page 31 Sharpness Adjusts the picture quality of the monitor. ViewMode ViewSonic’s unique ViewMode feature offers “Game”, “Movie”, “Web”, “Text”, “MAC”, and “Mono” presets. These presets are specifically designed to deliver an optimized viewing experience for different screen applications.
  • Page 32: Troubleshooting

    • Connect the monitor to another computer. • If you have an older graphics card, contact ViewSonic® for a non-DDC adapter. • Adjust brightness and contrast settings via the OSD Screen image is too light or dark Menu.
  • Page 33 Possible Solutions Problem or Issue • Make sure the “Blue Light Filter” is Off. The screen appears yellow The OSD Menu • Check whether the OSD Menu is locked. If yes, press does not appear and hold the 3 and 5 key for 10 seconds. •...
  • Page 34: Maintenance

    • ViewSonic® does not recommend the use of any ammonia or alcohol-based cleaners on the display screen or case. Some chemical cleaners have been reported to damage the screen and/or case of the monitor. • ViewSonic® will not be liable for damage resulting from use of any ammonia or alcohol-based cleaners.
  • Page 35: Regulatory And Service Information

    Regulatory and Service Information Compliance Information This section addresses all connected requirements and statements regarding regulations. Confirmed corresponding applications shall refer to nameplate labels and relevant markings on the unit. FCC Compliance Statement This device complies with part 15 of FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 36: Declaration Of Rohs2 Compliance

    The following information is only for EU-member states: The mark shown to the right is in compliance with the Waste Electrical and Electronic Equipment Directive 2012/19/EU (WEEE). The mark indicates the requirement NOT to dispose of the equipment as unsorted municipal waste, but use the return and collection systems according to local law.
  • Page 37: Indian Restriction Of Hazardous Substances

    Schedule 2 of the Rule. Product Disposal at End of Product Life ViewSonic® respects the environment and is committed to working and living green. Thank you for being part of Smarter, Greener Computing. Please visit the ViewSonic®...
  • Page 38: Copyright Information

    ENERGY STAR® is a registered trademark of the U.S. Environmental Protection Agency (EPA). As an ENERGY STAR® partner, ViewSonic® Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency. Disclaimer: ViewSonic® Corporation shall not be liable for technical or editorial errors or omissions contained herein;...
  • Page 39: Customer Service

    For technical support or product service, see the table below or contact your reseller. NOTE:  You will need the product’s serial number. Country/ Region Website Country/ Region Website Asia Pacific & Africa Australia Bangladesh www.viewsonic.com/au/ www.viewsonic.com/bd/ 中国 (China) 香港 (繁體中文) www.viewsonic.com.cn www.viewsonic.com/hk/ Hong Kong (English) India www.viewsonic.com/hk-en/ www.viewsonic.com/in/...
  • Page 40: Limited Warranty

    How long the warranty is effective: ViewSonic® displays are warranted for between 1 and 3 years, depending on your country of purchase, for all parts including the light source and for all labor from the date of the first consumer purchase.
  • Page 41 (e) the serial number of the product. • Take or ship the product, freight prepaid, in the original container to an authorized ViewSonic® service center or ViewSonic®. • For additional information or the name of the nearest ViewSonic® service center, contact ViewSonic®. Limitation of implied warranties:...
  • Page 42 Exclusion of damages: ViewSonic’s liability is limited to the cost of repair or replacement of the product. ViewSonic® shall not be liable for: • Damage to other property caused by any defects in the product, damages based upon inconvenience, loss of use of the product, loss of time, loss of...
  • Page 43: Mexico Limited Warranty

    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 &...
  • Page 44 Exclusion of damages: ViewSonic®’s liability is limited to the cost of repair or replacement of the product. ViewSonic® shall not be liable for: • Damage to other property caused by any defects in the product, damages...
  • Page 45 Name, address, of manufacturer and importers: México, Av. de la Palma #8 Piso 2 Despacho 203, Corporativo Interpalmas, Col. San Fernando Huixquilucan, Estado de México Tel: (55) 3605-1099 http://www.viewsonic.com/la/soporte/index.htm NÚMERO GRATIS DE ASISTENCIA TÉCNICA PARA TODO MÉXICO: 001.866.823.2004 Hermosillo: Villahermosa: Compumantenimietnos Garantizados, S.A.

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