Dahua Technology LM49-S400 - User Manual

UHD LED MONITOR
User Manual

Summary

Important Information

Safety Warnings

Crucial safety precautions for using and maintaining the monitor to prevent injury or property damage.

Product Notes

Guidelines for product placement and environmental conditions to ensure optimal performance and longevity.

Product Introduction

Product Appearance

Visual description of the monitor's physical design and components.

Performance Features

Key technical specifications and advantages of the UHD LED monitor, such as image quality and response time.

External Connections

Main Menu Operations

Picture Menu

Adjust color temperature, aspect ratio, noise reduction, and picture mode for optimal visual output.

Sound Menu

Configure balance, auto volume calibration, surround sound, EQ, and sound mode for audio preferences.

Option Menu

Customize OSD language, factory reset, software updates, OSD transparency, and auto sleep features.

Screen Menu

Adjust H-position, V-position, clock, phase, and auto-adjust for precise image alignment.

Channel Selection

Select the input source, such as VGA, HDMI, or other available channels.

Product Care and Troubleshooting

How to Clean Product

Instructions on safely cleaning the monitor housing and screen using appropriate materials.

Troubleshooting

Guide to diagnose and resolve common issues with the monitor using a problem-solution chart.

Operation Warranty

Overview

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

This document is a User Manual for a Dahua UHD LED Monitor, providing comprehensive information on its features, operation, maintenance, and troubleshooting.

Function Description

The Dahua UHD LED Monitor is designed to display high-resolution images and video, offering a clear and vibrant visual experience. It supports various input signals and includes features for image and sound adjustment, making it suitable for a range of applications. The monitor is equipped with a top-ranking video processing chip to ensure optimal performance and image quality.

Usage Features

The monitor offers a user-friendly interface with a main menu accessible via buttons on the bezel. This menu allows users to navigate through various sub-menus to customize settings related to picture, sound, and general options.

Main Menu Navigation: The main menu is activated by pressing the menu button on the bottom left of the bezel. It comprises several sub-menus: PC Menu, Picture Menu, Audio Menu, OSD Menu, Function Menu, and Geometry Menu. Navigation within these menus is intuitive, using arrow buttons to select items and adjust values.

Signal Channel Selection: The "Source" button allows users to display all available signal channel menus, enabling them to select the desired input source (e.g., VGA, HDMI, DP, BNC).

Picture Menu: This menu provides extensive controls for image customization:

• Picture Mode: Users can select predefined picture modes (e.g., Standard) to suit different viewing preferences.
• Color Temperature: Adjusts the warmth or coolness of the display's colors (e.g., Medium).
• Aspect Ratio: Allows selection of the display's aspect ratio (e.g., 16:9) to prevent image distortion.
• Noise Reduction: Helps to reduce visual noise in the image, improving clarity (e.g., Middle).
• Color Range: Sets the range of colors displayed (e.g., 0-255). These settings can be adjusted using the arrow buttons, and the menu button is used to exit.

Sound Menu: The sound menu offers controls for audio output:

• Sound Mode: Selects predefined sound modes (e.g., Standard).
• Balance: Adjusts the volume balance between left and right speakers.
• Auto Volume: Enables or disables automatic volume calibration.
• Surround Sound: Turns surround sound effects on or off.
• EQ (Equalizer): Provides options for adjusting audio frequencies. Similar to the picture menu, settings are adjusted with arrow buttons, and the menu button exits the menu.

Option Menu: This menu contains general settings for the monitor's operation:

• OSD Language: Allows selection of the On-Screen Display language (e.g., English).
• Restore Factory Default: Resets all settings to their original factory values.
• Software Update (USB): Facilitates firmware updates via a USB drive.
• Blending: A setting that can be turned on or off.
• OSD Duration: Adjusts how long the OSD remains visible on screen (e.g., Off).
• Auto Sleep: Enables or disables the automatic sleep function.
• Misc (Miscellaneous): Contains other various settings. Adjustments are made using arrow buttons, and the menu button exits.

Screen Menu: The screen menu is crucial for optimizing the display's position and timing:

• Auto Adjust: Automatically adjusts the H-position, V-position, clock, and phase of the image.
• Horizontal Pos. (Position): Manually adjusts the horizontal position of the image (e.g., 50).
• Vertical Pos. (Position): Manually adjusts the vertical position of the image (e.g., 50).
• Clock: Adjusts the display clock to synchronize with the input signal (e.g., 50).
• Phase: Adjusts the phase of the input signal to eliminate image noise (e.g., 50). These settings are adjusted with arrow buttons, and the menu button exits.

External Connections: The monitor provides a variety of I/O interfaces for connecting to external devices, including:

• USB: For updates and other functions.
• HDMI (HDMI1, HDMI2, HDMI IN): For high-definition video and audio input.
• VGA (D-SUB 15 pins Connector, VGA IN): For analog video input.
• BNC IN/OUT: For BNC video signals.
• AUDIO IN (Phone Jack, Stereo): For audio input.
• DP (Display Port): For digital video input.
• RS232 IN/OUT (RJ45 Connector): For serial communication. Users are advised to turn off both the monitor and external devices before making connections.

Maintenance Features

The manual provides detailed safety warnings and notes to ensure the product's longevity and safe operation.

Safety Warnings:

• Qualified Personnel: Only qualified service personnel should perform maintenance or modifications.
• Product Integrity: Do not open or remove the rear cover, box, or cover board. Contact authorized service centers for adjustments or maintenance.
• Foreign Objects: Avoid placing items on the product to prevent internal damage from foreign objects.
• Power Line Care: Do not tread on or squeeze the power line, especially the plug or connection points.
• Environmental Conditions: Do not place the product in flammable, corrosive, high-temperature, or humid environments.
• Abnormal Operation: Immediately turn off power and unplug the cable if smoke, off-odor, or abnormal noise occurs. Contact service for maintenance.
• Damage: If the product sustains any damage (e.g., to the plug, liquid ingress, exposure to rain, loss of function, or drops), contact the dealer or after-sales service center.
• Moisture: Do not expose the product to rain or chemicals. If moist, allow it to dry completely before powering on.
• Cleaning: Turn off the power when cleaning the product.
• Installation: Ensure all screws and mounting hardware are properly secured during installation to prevent falls.
• Internal Components: Avoid touching fixed internal components to prevent damage or injury.
• UPS Components: Be cautious during maintenance even when power is off, as some components may retain power via UPS.

Notes:

• Placement: Place the product on a flat, stable, and dry surface, away from direct sunlight, high temperature, humidity, dust, and corrosive gas.
• Wall Installation: If wall-mounted, ensure the wall's load-bearing capacity is sufficient and follow included instructions with mounting hardware.
• Temperature Variation: Image distortion or color decay may occur with large temperature variations but should disappear after a moment with power on.
• Ventilation: Do not block ventilation openings.
• Heat Sources: Do not install near heat sources like radiators or stoves.
• Connecting Lines: Use only certified connecting lines. Do not press, stretch, or heat them. Firmly grasp the plug when inserting or removing.
• Damaged Lines: If connecting lines are damaged, cut off power immediately and contact service.
• Physical Stress: Do not hang or lean on the product to prevent falls, damage, or injury, especially with children nearby.
• Long-Term Storage: Turn off power for safety if not using the product for a long time.
• Cable Management: Do not let connecting lines get squeezed, buckled, pulled, or twisted.
• Moving the Product: Turn off power and remove connecting lines when moving the product.
• Collisions: Avoid collisions with the product to prevent equipment failure.

Cleaning the Product:

1. Wipe dust and particles with a clean, soft towel.
2. For stubborn dirt, use a neutral cleaner with a clean, soft towel, then wipe dry.
3. Avoid rubbing or scraping the housing with fingernails or hard objects to prevent scratches.

Troubleshooting: The manual includes a troubleshooting chart to help diagnose common issues before contacting service staff. It lists problems such as "No image or sound," "Inferior sound," "Poor signal," "Vague image," "Double image," "Interfering lines," "Twisty image," "Rung stripe," "Image vertically scrolls," "Inferior color," and "No color." For each problem, a series of potential fixes are suggested, including:

1. Switch to another channel or input.
2. Check audio signal line connection.
3. Check video signal line connection.
4. Check for interference from other electric appliances.
5. Adjust fine tuning setting.
6. Adjust luminance setting.
7. Adjust contrast ratio setting.
8. Adjust color setting.
9. Check system setup.
10. Check if power is on.

Warranty Information: The product comes with a warranty that covers manufacturing defects for a specified period. The warranty period for operation is twelve months from the purchase date, covering manual fees and spare parts (excluding the panel). After the initial twelve months, an extended three-year warranty for reparation is offered, though spare parts fees may apply. The warranty does not cover damage from wrong operation, natural disasters, unauthorized repairs, altered serial numbers, or non-compliance with provided directions. For transportation during repairs, users are advised to use original, quake-proof packing and include the warranty card.

Dahua Technology LM49-S400 Specifications