Acer KA272A - User Manual

Acer LCD Monitor
User Guide

Summary

Information for your safety and comfort

Safety Instructions and LCD Notes

General safety guidelines and notes on normal LCD monitor behavior.

General Safety and Usage

Product Warnings and Electrical Safety

Warnings about product placement, ventilation, and electrical power.

Operational and Environmental Safety

Product Servicing and Explosive Environments

Comfortable Use Tips

Vision Care and Work Habits

Screen Position Adjustment

Power Connection and Saving

Connecting the AC Power Cord

Display Data Channel (DDC)

Monitor Installation Guide

User Control Interface

External Controls Overview

OSD Menu Navigation

Shortcut Menu Usage

Guide to using the OSD shortcut menu for quick adjustments.

Hot Key Functions

Input and Picture Settings

Selecting Input Source

How to switch between different input signals like VGA and HDMI.

Picture Menu Adjustments

Guide to adjusting picture settings in the OSD.

Color Settings Configuration

Performance and OSD Settings

Performance Settings

System Settings Configuration

Troubleshooting Common Issues

No Picture and LED Status Issues

Solutions for problems like a blank screen or specific LED indicator lights.

Overview

1. Function Description
2. Usage Features
3. Maintenance Features

This document is a user guide for an Acer LCD Monitor, providing information on safety, comfort, setup, and troubleshooting.

Function Description

The Acer LCD Monitor is designed for video and visual display of information from electronic devices. It supports various display resolutions and timing modes, making it compatible with a wide range of computer systems. The monitor is equipped with features to enhance user comfort and safety, including power management, adjustable screen position, and controls for picture quality and audio settings. It also supports DDC (Display Data Channel) for plug-and-play functionality, allowing the monitor to automatically communicate its capabilities to the host system.

Usage Features

Unpacking and Installation: The monitor comes with an LCD monitor unit, a quick start guide, an AC power cord, and optional audio, HDMI1.4, and VGA cables. Installation involves connecting the signal cable (VGA or HDMI1.4) from the monitor to the computer's graphics card, optionally connecting an audio cable, inserting the monitor's power cable, and plugging the power cords into an electrical outlet.

Screen Position Adjustment: The monitor allows for tilt adjustment to optimize the viewing position. The tilt range is from -5° to 15°, with 15 degrees of recline offered at the highest point for elevation.

Power Saving: The monitor features a power-saving mode, indicated by an amber power LED. It enters this mode when a control signal from the display controller is detected. The recovery time from an active OFF state back to an ON state is approximately 3 seconds.

Display Data Channel (DDC): The monitor supports the DDC2B standard, enabling plug-and-play functionality. This protocol allows the monitor to automatically inform the host system about its capabilities, such as supported resolutions and timing, simplifying installation.

User Controls: The monitor has a power button and several function keys, often controlled by a single toggle button (joystick) on the backside of the display bezel.

• Power Button: Turns the monitor on/off. A blue light indicates power on, while amber indicates standby/power saving mode.
• Function Keys: These keys allow access to the main menu and various hotkey functions.
  • Hotkey 1 (Default: Standard Mode): Provides access to scenario modes (sRGB, Reading, Darkroom, User, Standard, ECO, Graphics, Movie). It also allows resetting custom color settings to factory defaults.
  • Hotkey 2 (Default: Brightness): Opens the Brightness control for adjusting screen brightness from 0 to 100.
  • Hotkey 3 (Input Select): Allows selection of input sources (VGA IN, HDMI1.4, or Auto Source).
  • Main Menu Key: Opens the OSD (On-Screen Display) for comprehensive adjustments.

OSD Menu Functions: The OSD menu is navigated using the joystick.

• Picture Settings: Adjusts Brightness, Contrast, Black Boost, Blue Light, ACM (Adaptive Contrast Management), Super Sharpness, Auto Config, H. Position, V. Position, Focus, and Clock.
  • Brightness: Controls the overall luminance of the display.
  • Contrast: Adjusts the difference between light and dark areas.
  • Black Boost: Enhances shadows by increasing brightness without affecting lighter shades.
  • Blue Light: Filters out blue light to protect eyes, with adjustable levels (80%, 70%, 60%, 50%). The 50% setting is recommended for optimal protection and meets TÜV Rheinland's "Low Blue Light Content" standard.
  • ACM: Dynamically adjusts contrast based on the current screen content.
  • Super Sharpness: Enhances image clarity by boosting pixel density.
• Color Settings: Adjusts Gamma, Color Temperature (Cool, Normal, Warm, Bluelight, User), Modes (scenario modes), sRGB, Grayscale Mode, 6-axis Hue, and 6-axis Saturate.
  • Gamma: Adjusts the luminance tone, with a default value of 2.2.
  • Color Temperature: Allows selection of predefined color temperature settings or a custom user setting.
  • sRGB: Enables or disables sRGB mode for better color matching with peripheral devices.
  • 6-axis Hue/Saturate: Provides fine-tuning of red, green, blue, yellow, magenta, and cyan hues and saturation.
• Audio Settings: Adjusts Volume and Mute on/off.
• Performance Settings: Includes Over Drive (Off, Normal, Extreme), FreeSync (on/off), VRB (on/off), and Refresh Rate Num (displays current refresh rate).
  • FreeSync (HDMI): Allows a FreeSync-supported graphics source to dynamically adjust the display refresh rate for smooth, stutter-free, and low-latency updates.
• OSD Settings: Configures Language, OSD Timeout, Transparency (for gaming mode), and OSD Lock (on/off).
  • OSD Lock: Prevents accidental changes to settings. When locked, the LED status changes to amber, and a message "OSD Locked" appears. Unlocking involves pressing the "Navi Key" for more than 3 seconds.
• System Settings: Manages Input source (VGA IN, HDMI1.4), Auto Source (on/off), Wide Mode (Aspect, Full), Hot Key Assignment (for shortcut keys 1 and 2), DDC/CI (on/off), HDMI Black Level, and Quick Start Mode (on/off).
  • Auto Source: Automatically searches for signal sources.
  • DDC/CI: Allows monitor settings to be controlled via software on the PC.
  • Quick Start Mode: Speeds up boot time when enabled.
• Save Setting to... (User mode only): Allows users to save up to three custom-defined profiles for game mode, which can be recalled later.

Maintenance Features

Cleaning Your Monitor:

• Always unplug the monitor before cleaning.
• Use a soft cloth to wipe the screen and cabinet front and sides.

Product Servicing:

• Do not attempt to service the product yourself. Opening covers may expose you to dangerous voltage points or other risks.
• Refer all servicing to qualified service personnel.
• Unplug the product from the wall outlet and contact service personnel if:
  • The power cord or plug is damaged, cut, or frayed.
  • Liquid was spilled into the product.
  • The product was exposed to rain or water.
  • The product has been dropped or the case has been damaged.
  • The product exhibits a distinct change in performance.
  • The product does not operate normally after following operating instructions.

Troubleshooting: The manual provides a troubleshooting guide for common issues like "No picture visible," suggesting remedies such as adjusting brightness/contrast, checking power connections, verifying video signal cables, and ensuring the computer is not in power-saving mode. It also notes that if OSD Lock is on, the LED status will be amber.

Acer KA272A Specifications

General

Color depth	6 bit
Screen shape	Flat
Backlight type	LED
Display diagonal	27 \
Display technology	LCD
Native aspect ratio	16:9
Vertical scan range	48 - 75 Hz
Maximum refresh rate	75 Hz
Horizontal scan range	54 - 84.38 kHz
Contrast ratio (dynamic)	100000000:1
Contrast ratio (typical)	4000:1
Display number of colors	16.7 million colors
Display diagonal (metric)	68.6 cm
Display brightness (typical)	250 cd/m²
AMD FreeSync	Yes
AMD FreeSync type	FreeSync
RMS rated power	4 W
Number of speakers	2
Product color	Black
Market positioning	Home
DisplayPorts quantity	0
Tilt angle range	-5 - 15 °
Panel mounting interface	100 x 100 mm
AC input voltage	120 - 230 V
Power consumption (max)	28 W
Power consumption (off)	0.45 W
Annual energy consumption	31 kWh
Power consumption (standby)	0.5 W
Power consumption (typical)	16 W
Cables included	AC, HDMI
Harmonized System (HS) code	85285210

Weight and Dimensions

Depth (with stand)	200 mm
Width (with stand)	615 mm
Height (with stand)	457 mm
Weight (with stand)	4100 g
Depth (without stand)	65.2 mm