Acer KG221Q - User Manual

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Summary

Information for your safety and comfort

Safety instructions

Instructions for safe operation and future reference.

Special notes on LCD monitors

Normal LCD characteristics and potential issues.

Cleaning your monitor

Guidelines for cleaning the monitor safely.

Accessibility

Safe listening

Instructions to protect hearing during audio use.

Warnings

Important warnings regarding product usage and placement.

Using electrical power

Guidance on using electrical power safely and correctly.

Potentially explosive environments

IT Equipment Recycling Information

Tips and information for comfortable use

Finding your comfort zone

Tips for adjusting monitor and posture for optimal comfort.

Taking care of your vision

Suggestions to reduce eyestrain during prolonged monitor use.

Developing good work habits

Habits to make computer use more relaxing and productive.

Federal Communications Commission Declaration of Conformity

Unpacking

Attaching the Base

Step-by-step guide to attach the monitor base.

Screen position adjustment

How to adjust monitor tilt for optimal viewing.

Connecting the adapter and AC Power cord

Display Data Channel (DDC)

15-pin color display signal cable

Pinout details for the 15-pin VGA signal cable.

19-pin color display signal cable

User Controls

External controls

Description of the monitor's physical buttons and their functions.

Troubleshooting

HDMI;VGA Mode (Optional)

Solutions for common problems like no picture visible in HDMI/VGA mode.

Summary

Information for your safety and comfort

Safety instructions

Instructions for safe operation and future reference.

Special notes on LCD monitors

Normal LCD characteristics and potential issues.

Cleaning your monitor

Guidelines for cleaning the monitor safely.

Accessibility

Safe listening

Instructions to protect hearing during audio use.

Warnings

Important warnings regarding product usage and placement.

Using electrical power

Guidance on using electrical power safely and correctly.

Potentially explosive environments

IT Equipment Recycling Information

Tips and information for comfortable use

Finding your comfort zone

Tips for adjusting monitor and posture for optimal comfort.

Taking care of your vision

Suggestions to reduce eyestrain during prolonged monitor use.

Developing good work habits

Habits to make computer use more relaxing and productive.

Federal Communications Commission Declaration of Conformity

Unpacking

Attaching the Base

Step-by-step guide to attach the monitor base.

Screen position adjustment

How to adjust monitor tilt for optimal viewing.

Connecting the adapter and AC Power cord

Display Data Channel (DDC)

15-pin color display signal cable

Pinout details for the 15-pin VGA signal cable.

19-pin color display signal cable

User Controls

External controls

Description of the monitor's physical buttons and their functions.

Troubleshooting

HDMI;VGA Mode (Optional)

Solutions for common problems like no picture visible in HDMI/VGA mode.

This document is a user guide for an Acer LCD Monitor, providing essential information for safe operation, comfort, installation, and troubleshooting.

Function Description

The Acer LCD Monitor is a display device designed to be connected to a computer system. Its primary function is to visually present information generated by a host system, supporting various resolutions and timing standards. The monitor is equipped with a universal power supply, allowing operation in different AC voltage areas (100/120 V AC or 220/240 V AC). It supports the Display Data Channel (DDC) protocol, enabling plug-and-play functionality by automatically informing the host system about its capabilities. The monitor also features power-saving modes to reduce energy consumption when not actively in use.

Usage Features

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

Screen Position Adjustment: Users can adjust the monitor's tilt to optimize their viewing position. The monitor can be tilted up to 15 degrees upwards and 5 degrees downwards.
Connectivity: The monitor supports both VGA and HDMI input signals, allowing connection to a wide range of computers and other devices. It also includes an optional audio input socket for audio output models.
Power Saving Mode: The monitor automatically enters a "Power Saving" mode, indicated by an amber-colored power LED, when it receives a control signal from the display controller. This mode helps conserve energy and can be exited by detecting a control signal or activating the keyboard or mouse.
On-Screen Display (OSD) Menu: The OSD menu provides access to various settings for picture, color, OSD, and system functions.
- Picture Settings: Users can adjust brightness (0-100), contrast (0-100), and activate "Black Boost" (0-10) to enhance shadow details. The "Blue Light" setting allows filtering blue light (80%, 70%, 60%, or 50%) to protect eyes. "ACM" (Adaptive Contrast Management) can be turned on or off to dynamically adjust contrast. "Super Sharpness" can be enabled to simulate high-resolution images.
- Color Settings: The "Gamma" mode allows adjustment of luminance tone, with a default value of 2.2. "Color Temperature" offers options like Cool, Normal, Warm, Bluelight, or User-defined. "sRGB" mode can be toggled for better color matching with peripheral devices. "6-axis Hue" and "6-axis Saturate" provide fine-tuning for red, green, blue, yellow, magenta, and cyan colors.
- OSD Settings: Users can set the OSD menu language, adjust the OSD timeout (delay before it turns off), display the panel's current refresh rate ("Refresh rate num"), and control the transparency of the OSD when using gaming mode (0%, 20%, 40%, 60%, or 80%).
- System Settings: This menu allows selection of the input source (VGA In, HDMI), toggling "Auto Source" (default "on"), adjusting "HDMI Black level," and choosing "Wide mode" (Aspect or Full) for screen aspect ratio. "DDC/CI" (Display Data Channel/Command Interface) can be enabled to allow monitor settings to be controlled via software on the PC. A "Quick Start Mode" setting is also available.
Product Information: The OSD menu includes an "Information" section that displays basic details about the monitor and the current input. It also provides an option to "Reset All Settings" to factory defaults.
FreeSync (HDMI only): For models supporting FreeSync, this feature allows a compatible graphics source to dynamically adjust the display refresh rate based on content frame rates. This results in power-efficient, virtually stutter-free, and low-latency display updates.
Shortcut Menu: The monitor's external controls include dedicated function keys for quick access to common adjustments like input selection, volume, brightness, and game mode control.

Maintenance Features

Maintaining the Acer LCD Monitor involves simple yet important steps to ensure its longevity and optimal performance:

Cleaning: The monitor should always be unplugged before cleaning. A soft cloth should be used to wipe the screen and the cabinet's front and sides.
Safe Handling: When attaching the base, the monitor should be carefully placed face-down on a stable surface, using a cloth to prevent scratching the screen.
Electrical Safety: Users are advised to ensure the power outlet is easily accessible and close to the equipment. The power cord should be unplugged from the electrical outlet to disconnect power. It's crucial to use the correct type of power cord for the region and to ensure the power outlet is properly grounded. Overloading power outlets or strips should be avoided.
Environmental Considerations: The manual emphasizes the importance of recycling IT equipment and provides a website for more information on Acer's sustainability efforts and disposal instructions for electronic devices.
Avoiding Damage: The monitor should not be used near water or placed on unstable surfaces. Slots and openings for ventilation should not be blocked or covered. Objects should never be pushed into cabinet slots, and liquids should not be spilled onto or into the product. The monitor should not be placed on vibrating surfaces or used in vibrating environments.
Servicing: Users are advised not to attempt to service the product themselves, as this could expose them to dangerous voltage points. All servicing should be referred to qualified service personnel, especially if the power cord is damaged, liquid has been spilled, the product has been exposed to rain, or it has been dropped or damaged.

The user guide also provides tips for comfortable computer use, including finding a comfortable viewing angle, taking regular breaks, performing stretching exercises, and maintaining good posture to prevent eyestrain and physical injury. It also offers advice on taking care of vision by resting eyes frequently, blinking, keeping the display clean, and adjusting display settings to eliminate glare and reflections.

Acer KG221Q Specifications

General

3D	No
Panel type	TN+Film
Aspect ratio	16:9
Screen shape	Flat
Display diagonal	21.5 \
Display technology	LED
Maximum refresh rate	75 Hz
Supported video modes	1080p
Contrast ratio (dynamic)	100000000:1
Contrast ratio (typical)	-
Display number of colors	16.78 million colors
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
AC adapter included	Yes
RMS rated power	4 W
Number of speakers	2
Certification	MPR II
Product color	Black
Tilt angle range	-5 - 15 °
Cables included	VGA
Sustainability certificates	ENERGY STAR
Energy efficiency scale	A to G
Power consumption (off)	0.35 W
Power consumption (standby)	0.4 W
Power consumption (typical)	17 W