LG 22MD4KA Users Manual

The LG 22MD4KA is a 21.5-inch professional monitor designed for medical imaging applications with high-resolution display, advanced color accuracy, DICOM calibration, and multiple connectivity options. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Display Modes 8. Calibration Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 21.5-inch IPS medical display, DICOM calibration, multiple input ports, ergonomic stand, and advanced imaging features.

Feature	Description
Display Size	21.5-inch IPS panel
Resolution	1920 x 1080 Full HD
DICOM Calibration	Medical-grade color accuracy
Input Ports	HDMI, DisplayPort, DVI-D
Ergonomic Stand	Height, tilt, and swivel adjustment
Color Depth	10-bit color processing
Brightness	250 cd/m² typical
Contrast Ratio	1000:1 static
Response Time	14ms gray-to-gray
Viewing Angle	178°/178°

Installation

Unpack and inspect contents. Assemble monitor on stable surface.

Attach stand: Align stand with monitor base and secure with provided screws.
Connect power: Plug power cord into monitor and wall outlet.
Connect video source: Use HDMI, DisplayPort, or DVI-D cable to connect to computer.
Adjust position: Set optimal height, tilt, and swivel for viewing comfort.

WARNING! Monitor is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on monitor; configure initial settings.

Select input source: Press INPUT button to choose correct connection (HDMI, DP, DVI).
Adjust basic settings: Use OSD menu for brightness, contrast, and color temperature.
Enable DICOM mode: Access specialized settings for medical imaging applications.
Calibrate display: Use built-in calibration tools or external calibration device.

CAUTION! Ensure stable surface; avoid direct sunlight on screen.

Specifications

Screen Size: 21.5 inches IPS
Native Resolution: 1920 x 1080 Full HD
Aspect Ratio: 16:9
Panel Type: IPS (In-Plane Switching)
Color Gamut: sRGB 99%
Input Connectors: HDMI, DisplayPort, DVI-D
USB Hub: 2-port USB 2.0
Power Consumption: Typical 25W, Max 40W
Operating Temperature: 10°C to 40°C
Dimensions: 510.7 x 384.9 x 230mm (with stand)

Controls and Settings

Access OSD via front control buttons or remote control (if applicable).

Front Controls: Power button, Menu/Enter, Auto/Select, Up/Down navigation, Exit

Picture Settings: Brightness, Contrast, Sharpness, Color Temperature, Gamma. Advanced Settings: DICOM Mode, Color Calibration, Input Select, PIP/PBP. System Settings: Language, Reset, Information Display.

Connecting Devices

Multiple input options for various medical imaging sources.

Turn off monitor and devices before connecting.
Connect computer: Use HDMI, DisplayPort, or DVI-D cable.
Connect USB devices: Use USB ports for peripherals.
Select input source: Use INPUT button to switch between connected devices.

Tip: Use high-quality cables for optimal image quality.

Display Modes

Specialized modes for different medical imaging applications.

DICOM Mode: Optimized for medical grayscale imaging
sRGB Mode: Standard color space for general use
User Mode: Customizable settings for specific needs
Reading Mode: Reduced blue light for extended viewing
Photo Mode: Enhanced color for photographic applications

WARNING! Use appropriate mode for intended medical application.

Calibration Features

Advanced calibration options for medical accuracy.

DICOM Calibration: Pre-calibrated for medical imaging standards. Color Calibration: Built-in tools for maintaining color accuracy. Gamma Adjustment: Multiple gamma settings for different applications. Uniformity Compensation: Ensures consistent brightness across screen.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; mild cleaner for casing if needed.

CAUTION! Do not use alcohol, ammonia, or abrasive cleaners on screen.

Regulatory Information

Medical device compliance: Meets medical imaging standards. FCC Part 15: Class B digital device; complies with interference limits. Copyright © 2025 LG Electronics; all rights reserved. For technical support, visit www.lg.com or contact LG customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check power cable; ensure outlet is working.
No image	Input selection/cable	Select correct input; check cable connections.
Poor image quality	Settings/resolution	Adjust brightness/contrast; set native resolution.
Color inaccuracy	Calibration/mode	Recalibrate display; select appropriate color mode.
Flickering display	Cable/interference	Use high-quality cable; check for electrical interference.

Reset: Menu > System > Reset to factory defaults if needed.

Service: Contact LG customer support for medical display service.