Acer KG240 - User Manual

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 connect to a computer system, allowing users to view visual output. It supports various display modes and resolutions, including VGA, MAC, SVGA, XGA, SXGA, WXGA, WSXGA+, and UXGA, with refresh rates typically ranging from 56Hz to 75Hz, depending on the resolution and input type. The monitor is capable of displaying high-precision images, although it notes that some pixels may occasionally misfire or appear as black or red dots, which is considered normal and does not constitute a malfunction. It supports the DDC (Display Data Channel) protocol, enabling plug-and-play functionality where the monitor automatically communicates its capabilities to the host system. The monitor also supports FreeSync technology (for HDMI input only), which allows a FreeSync-supported graphics source to dynamically adjust the display refresh rate.

Usage Features

The monitor offers a range of features to enhance user experience and comfort. Controls: The monitor includes several external controls for easy adjustment. A power button turns the monitor on/off, with a blue light indicating power on and an amber light for standby/power saving mode. Function keys allow access to the Main page, Input select, Volume adjustment, Brightness adjustment, and Game mode control. These keys also navigate and select options within the Function Menu and OSD (On-Screen Display). OSD (On-Screen Display): The OSD is a central feature for adjusting monitor settings. Users can access the OSD via the MENU key to modify picture quality, OSD position, and general settings.

Picture Settings: This menu allows adjustments for Acer eColor, Brightness (0-100), Contrast (0-100), Blue Light (80%, 70%, 60%, or 50%), Dark Boost (0-10), and Adaptive Contrast. Blue Light filtering helps protect eyes by reducing blue light emission. Dark Boost enhances shadows without affecting lighter shades. Super Sharpness technology can be toggled on/off to simulate high-resolution images by boosting pixel density. ACM (Adaptive Contrast Management) can also be turned on or off.
Color Settings: Users can adjust the Gamma mode (default 2.2), Color temperature (Cool, Normal, Warm, Bluelight, User), sRGB mode (on/off), 6-axis Saturate, and 6-axis Hue. sRGB mode helps match colors with peripheral devices.
OSD Settings: This section allows users to set the OSD menu language, OSD timeout (delay before turning off the menu), display the Refresh rate number, and adjust Transparency (0%, 20%, 40%, 60%, or 80%) when using gaming mode.
System Settings: This menu provides options for selecting the Input source (VGA In, HDMI), enabling Auto Source (default "on"), adjusting HDMI Black level, and choosing Wide mode (Aspect or 1:1). It also includes a DDC/CI toggle, which allows monitor settings to be controlled via software on the PC, and a Quick start mode setting.
Information: This section displays basic information about the monitor and its current input. There is also an option to Reset All Settings to factory defaults. Screen Position Adjustment: The monitor's tilt can be adjusted from 15 degrees up to 5 degrees down, allowing users to optimize their viewing position for comfort. Power Saving: The monitor automatically enters "Power Saving" mode when it receives a control signal from the display controller, indicated by an amber power LED. It recovers from this state in approximately 3 seconds upon detecting a control signal or activation of the keyboard or mouse. Connectivity: The monitor supports HDMI and VGA input. It also includes an audio input socket for models with audio output.

Maintenance Features

The user guide provides clear instructions for maintaining the monitor and ensuring its longevity and safe operation. Cleaning: To clean the monitor, users are advised to always unplug it first. A soft cloth should be used to wipe the screen and the cabinet's front and sides. Product Servicing: Users are explicitly warned not to attempt to service the product themselves, as opening covers may expose them to dangerous voltage points or other risks. All servicing should be referred to qualified service personnel. Specific conditions that warrant professional servicing include damage to the power cord or plug, liquid spills, exposure to rain or water, physical drops or case damage, distinct changes in performance, or failure to operate normally after following operating instructions. Electrical Power Usage: The product should be operated from the type of power indicated on its marking label. Users are advised to consult their dealer or local power company if unsure about the available power type. It is crucial not to allow anything to rest on the power cord and to avoid placing the product where people might walk on the cord. If an extension cord is used, its total ampere rating and the overall system load must not exceed the specified limits. The product's three-wire grounded plug must be inserted into a properly grounded power outlet. Safety and Comfort: The manual emphasizes several safety and comfort guidelines.

Accessibility: The power outlet for the power cord should be easily accessible and close to the operator for quick disconnection.
Safe Listening: For models with audio, users are advised to gradually increase volume, limit high-volume listening, and turn down volume if unable to hear others speak, to protect hearing.
Warnings: The monitor should not be used near water, placed on unstable surfaces, or have its ventilation slots blocked. Objects should never be pushed into cabinet slots, and liquids should not be spilled onto or into the product. It should not be placed on vibrating surfaces or used in vibrating environments. The provided adapter is specifically for this monitor.
LCD Pixel Statement: The guide clarifies that minor pixel blemishes (missing or always lit pixels, 0.01% or less) are normal and not a malfunction.
Comfortable Use: Tips for comfortable computer use include adjusting the monitor's viewing angle, using a footrest, and maintaining proper sitting height. Users are encouraged to avoid prolonged fixed postures, slouching, and to stand and walk around regularly.
Vision Care: To reduce eyestrain, users should rest their eyes frequently, take regular breaks from the monitor, and blink often. Display-related tips include keeping the display clean, positioning the head higher than the display's top edge, adjusting brightness/contrast, and eliminating glare and reflections by proper placement, minimizing room light, using task lights, changing viewing angles, or using glare-reduction filters/visors.
Good Work Habits: Developing good work habits involves taking short, regular breaks, performing stretching exercises, breathing fresh air, and maintaining a healthy body through regular exercise. Environmental Information: Acer is committed to environmental protection and recycling. The guide directs users to Acer's website for information on IT equipment recycling and disposal instructions, particularly regarding Waste from Electrical and Electronics Equipment (WEEE) regulations, encouraging recycling instead of discarding electronic devices in regular trash.

Acer KG240 Specifications

General

NVIDIA G-SYNC	-
Flicker-free technology	Yes
Panel type	TN+Film
Aspect ratio	16:9
Screen shape	Flat
Backlight type	LED
Display diagonal	24 \
Display technology	LCD
Viewing angle, vertical	160 °
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Certification	MPR II
Product color	Black
Market positioning	Gaming
Tilt angle range	-5 - 15 °
Panel mounting interface	100 x 100 mm
Number of speakers	2
Power consumption (off)	0.45 W
Power consumption (standby)	0.5 W
Power consumption (typical)	23 W
Cables included	AC, DVI, DisplayPort