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Acer G257HL - User Manual

Acer G257HL
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Acer LCD Monitor
User Guide
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Summary

Information for your safety and comfort

Safety Instructions

Read instructions carefully for future reference and follow warnings.

LCD Monitor Notes

Normal operational characteristics of LCD monitors that do not indicate a problem.

Monitor Cleaning

Guidelines for safely cleaning the monitor screen and cabinet.

Safety and Electrical Guidelines

Accessibility and Safe Listening

Ensure power outlet accessibility and safe listening practices.

Warnings and Power Usage

General safety warnings and guidelines for using electrical power.

Continued Warnings and Servicing

Product Warnings

Electrical safety regarding extension cords, power outlets, and grounding.

Product Servicing

When to refer servicing to qualified personnel, listing conditions requiring attention.

Environmental and Safety Precautions

Explosive Environments

Safety precautions for operating the device in areas with potentially explosive atmospheres.

Recycling and Disposal

Information on IT equipment recycling and proper disposal instructions.

User Comfort and LCD Details

LCD Pixel Statement

Explanation of LCD pixel variations that do not constitute a malfunction.

Comfortable Use Tips

Advice on comfortable computer use and finding your comfort zone.

Vision Care and Work Habits

Taking Care of Your Vision

Suggestions to reduce eyestrain from prolonged monitor use.

Developing Good Work Habits

Advice on developing work habits for more relaxing and productive computer use.

Declaration of Conformity

FCC Declaration of Conformity

Troubleshooting Guide

VGA Mode Issues

Troubleshooting steps for issues encountered when using VGA connection.

DVI;HDMI Mode Issues

Troubleshooting steps for issues encountered with DVI/HDMI connections.

Unpacking and Contents

Attaching the Monitor Base

Power Connection and Saving Features

Connecting Power Cord

Steps to connect the AC adapter and power cord to the monitor.

Power Saving Mode

Explanation of the monitor's power saving mode and LED indicator.

Display Data Channel and Pin Assignments

Display Data Channel (DDC)

Explains the DDC protocol for plug-and-play functionality.

Connector Pin Assignments

Details pin assignments for 15-pin and 24-pin display signal cables.

19-pin Display Signal Cable Pinout

Standard Timing Table

Installation Procedure

User Controls Overview

Panel Controls Overview

Explains the function of each button on the monitor's control panel.

Using the Shortcut Menu

Acer eColor Management

Operation Instructions

Steps to open and navigate the Acer eColor Management OSD menu.

Features and Benefits

Details the different mode types and their benefits in Acer eColor Management.

Using the OSD Menus

Picture Menu Settings

Guide to adjusting picture quality settings via the OSD menu.

OSD Menu Settings

Setting Menu Options

Information Menu Display

Troubleshooting VGA Mode

Troubleshooting DVI;HDMI Mode

Overview

This document is a user guide for an Acer LCD Monitor, providing comprehensive instructions for its setup, operation, and maintenance, along with important safety and regulatory information.

Function Description

The Acer LCD Monitor is a display device designed to be connected to a host computer system. It functions by receiving video signals from the computer and displaying them on its screen, allowing users to interact with their computer's graphical interface. The monitor supports various input signal types, including VGA, DVI, and HDMI, offering flexibility in connectivity with different computer systems. It is equipped with an on-screen display (OSD) menu that allows users to adjust various picture quality settings, OSD timeout, and general settings to optimize their viewing experience. The monitor also features power-saving modes, automatically entering a low-power state when no control signal is detected or after a period of user inactivity, contributing to energy efficiency.

Usage Features

The monitor offers several features to enhance user experience and comfort:

  • Screen Position Adjustment: Users can adjust the tilt of the monitor to optimize their viewing position, with a range of 15 degrees up and 5 degrees down. This flexibility helps in achieving an ergonomic setup and reducing strain.
  • Multiple Input Options: The monitor supports D-sub (VGA), DVI, and HDMI cables, allowing connection to a wide range of devices. This versatility ensures compatibility with both older and newer computer systems.
  • Audio Input (Optional): For models equipped with audio input, users can connect an audio cable to the monitor, allowing sound to be played directly through the monitor's speakers (if available) or an attached audio output device.
  • Plug-and-Play (DDC): The monitor supports the Display Data Channel (DDC) protocol, enabling plug-and-play functionality. This means the monitor automatically communicates its capabilities (like supported resolutions and timing) to the host system, simplifying installation and setup.
  • Panel Controls: The monitor features intuitive panel controls, including a power button/indicator, navigation buttons (< / >), a Menu/Enter button, an Auto/Exit button, and an Empowering Key. These buttons provide quick access to various functions and settings.
  • Shortcut Menu: A shortcut menu can be accessed by pressing any of the function buttons (Empowering Key, Auto, or Menu). This menu provides quick access to commonly used settings such as Acer eColor Management, Auto Adjustment, OSD menu, Volume (optional), and Input selection.
  • Acer eColor Management: This feature allows users to select from various scenario modes (User mode, ECO mode, Standard mode, Graphic mode, Movie mode) to optimize display settings for different types of content.
    • User mode: User-defined settings that can be fine-tuned for specific situations.
    • ECO mode: Adjusts settings to reduce power consumption, promoting energy efficiency.
    • Standard mode: Default settings that reflect the monitor's native display capability.
    • Graphic mode: Enhances colors and emphasizes fine detail, making pictures and photographs appear vibrant and sharp.
    • Movie mode: Displays scenes with the clearest detail, providing great visuals even in unsuitably lit environments.
  • OSD Menus: The comprehensive OSD menus allow for detailed adjustments:
    • Picture Menu: Controls picture quality settings such as Acer eColor Management, Blue Light, Brightness, Contrast, H. Position, V. Position, Focus, Clock, Colour Temp, and Auto Config.
    • OSD Menu: Adjusts the OSD menu's location on the screen and its timeout duration.
    • Setting Menu: Manages general settings for the current input signal, including Wide Mode, DDC/CI, OD, ACM, Input selection, Language, and Reset options.
    • Information Menu: Displays basic information about the LCD monitor, such as resolution, refresh rates, input type, and serial number.
  • Auto Adjustment Function: When the OSD menu is inactive, pressing the Auto/Exit button for two seconds activates the Auto Adjustment function. The monitor then automatically optimizes the display position, focus, and clock for the current display.

Maintenance Features

The user guide provides essential information and tips for maintaining the monitor and ensuring user safety and comfort:

  • Cleaning: Users are advised to always unplug the monitor before cleaning and to use a soft cloth to wipe the screen and cabinet front and sides. This helps prevent damage to the display and external surfaces.
  • Safety Instructions: The guide emphasizes reading and following all warnings and instructions marked on the product and keeping the document for future reference.
  • Special Notes on LCD Monitors: It clarifies normal characteristics of LCD monitors, such as potential flickering during initial use, slight uneven brightness, the presence of effective pixels (99.99% or more), and the possibility of afterimages. These are explained as normal behaviors, not defects.
  • Accessibility: Instructions are provided to ensure the power outlet is easily accessible for quick disconnection, enhancing safety.
  • Safe Listening: For models with audio, guidelines are given to protect hearing, such as gradually increasing volume, limiting high-volume listening, and turning down volume if unable to hear others speak.
  • Warnings: Critical warnings include not using the product near water, on unstable surfaces, or in environments that could block ventilation. Users are cautioned against pushing objects into cabinet slots, spilling liquids, or placing the product on vibrating surfaces.
  • Electrical Power Usage: The guide specifies the type of power the product should be operated from and warns against overloading power outlets or allowing anything to rest on the power cord. It also highlights the safety feature of the grounded plug and advises contacting an electrician if the power outlet is not properly grounded.
  • Product Servicing: Users are strongly advised not to attempt servicing the product themselves due to potential exposure to dangerous voltages. All servicing should be referred to qualified personnel, especially if the power cord is damaged, liquid is spilled, the product is exposed to rain, dropped, or exhibits a distinct change in performance.
  • Environmental Information: Acer's commitment to environmental protection is highlighted, with information on IT equipment recycling and disposal instructions. Users are encouraged to recycle the device and provided with links to Acer's sustainability website for more information on WEEE regulations.
  • LCD Pixel Statement: The guide explains that while the LCD unit is produced with high-precision manufacturing techniques, some pixels may occasionally misfire or appear as black or red dots, which does not affect the recorded image and is not considered a malfunction.
  • Tips for Comfortable Use: To mitigate eyestrain and physical injury from prolonged computer use, the guide offers advice on:
    • Finding Your Comfort Zone: Adjusting viewing angle, using a footrest, and setting appropriate sitting height. Tips include avoiding fixed postures, slouching, and regularly standing up and walking around.
    • Taking Care of Your Vision: Resting eyes frequently, taking breaks to focus on distant points, and blinking often.
    • Display Adjustments: Keeping the display clean, positioning the head higher than the display's top edge, adjusting brightness/contrast, and eliminating glare and reflections using drapes, task lights, or glare-reduction filters.
    • Developing Good Work Habits: Taking short, regular breaks, performing stretching exercises, breathing fresh air, and maintaining a healthy body.
  • Troubleshooting: A dedicated section provides a troubleshooting list for common issues in VGA and DVI/HDMI modes, such as no picture, unstable picture, or abnormal picture. It suggests remedies like adjusting OSD settings, checking power and signal cable connections, and verifying computer system status. This empowers users to self-diagnose and resolve minor problems before seeking professional service.

Acer G257HL Specifications

General IconGeneral
3DNo
Aspect ratio16:9
Response time6 ms
Display diagonal25 \
Display technologyLED
Contrast ratio (dynamic)100000000:1
Display number of colors-
Display brightness (typical)250 cd/m²
Supported graphics resolutions1920 x 1080 (HD 1080)
Product colorBlack
Tilt angle range-5 - 15 °
Panel mounting interface- mm
Power consumption (standby)- W
Cables includedAC
Weight and Dimensions IconWeight and Dimensions
Weight (without stand)3200 g

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