1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of your DAHUA DHI-LM24-B200S 23.8-inch monitor. Please read this manual thoroughly before using the product and retain it for future reference.
2. Safety Information
- Ensure the monitor is placed on a stable, level surface to prevent accidental falls.
- Do not expose the monitor to rain or moisture to avoid electric shock or fire hazards.
- Use only the power adapter supplied with the monitor.
- Avoid blocking ventilation openings to prevent overheating.
- Do not attempt to service the monitor yourself. Refer all servicing to qualified personnel.
- Disconnect the power cord from the outlet during lightning storms or when unused for long periods.
3. Package Contents
Please verify that all items are present in your package:
- DAHUA DHI-LM24-B200S Monitor
- Monitor Stand (Base and Neck)
- Power Adapter
- HDMI Cable
- User Manual (this document)
4. Product Overview
4.1 Front and Angled Views

Figure 4.1: Front view of the DAHUA DHI-LM24-B200S monitor, displaying a vibrant image of a snowy mountain range. The monitor features a slim bezel design and a stable V-shaped stand. The Dahua logo is centered on the bottom bezel.

Figure 4.2: Angled view of the DAHUA DHI-LM24-B200S monitor, showcasing its thin profile and the ergonomic design of the stand. The screen displays a scenic mountain image, emphasizing the monitor's visual quality.

Figure 4.3: Front view of the DAHUA DHI-LM24-B200S monitor with the screen powered off, showing the sleek black panel and the minimalist stand design. The power indicator light is typically located near the control buttons.

Figure 4.4: Angled view of the DAHUA DHI-LM24-B200S monitor with the screen off, providing a clear look at the monitor's side profile and the sturdy base. This view highlights the overall physical design when not in active use.
4.2 Rear View and Ports

Figure 4.5: Rear view of the DAHUA DHI-LM24-B200S monitor, highlighting the input ports. From left to right, these typically include the power input, HDMI port, and VGA port. Integrated speakers are also visible on the upper left and right sides of the rear panel.
The rear panel of the monitor houses the various input and output ports, as well as the control buttons for the On-Screen Display (OSD) menu. Refer to Figure 4.5 for port locations.
- Power Input: Connects to the power adapter.
- HDMI Port: For digital video and audio input.
- VGA Port: For analog video input.
- Control Buttons: Typically located on the lower right side of the rear panel or underside, used to navigate the OSD menu.
- Built-in Speakers: For audio output.
5. Setup
5.1 Assembling the Stand
- Carefully remove the monitor and stand components from the packaging.
- Attach the stand neck to the monitor panel by aligning the tabs and pushing firmly until it clicks into place.
- Attach the stand base to the stand neck. Secure it with the provided screw, if applicable.
- Place the assembled monitor on a stable, flat surface.
5.2 Connecting Cables
- Power Connection: Connect the power adapter to the monitor's power input port, then plug the adapter into a power outlet.
- Video Connection:
- For HDMI: Connect one end of the HDMI cable to the HDMI port on your computer's graphics card and the other end to the HDMI port on the monitor.
- For VGA: Connect one end of the VGA cable to the VGA port on your computer's graphics card and the other end to the VGA port on the monitor.
- Ensure all connections are secure.
5.3 Initial Power-On
- Press the power button on the monitor (usually located on the lower right side or underside).
- The monitor will power on and automatically detect the active input source. If no signal is detected, check your cable connections and computer's display settings.
6. Operating the Monitor
6.1 Power On/Off
Press the power button to turn the monitor on or off. The power indicator light will illuminate when the monitor is on.
6.2 OSD Menu Navigation
The On-Screen Display (OSD) menu allows you to adjust various monitor settings. The control buttons are typically located on the rear or underside of the monitor.
- Press the Menu button to open the OSD menu.
- Use the Up/Down or Left/Right buttons to navigate through menu options.
- Press the Enter or OK button to select an option or confirm a setting.
- Press the Exit button to close the OSD menu or go back to the previous level.
6.3 Picture Settings
Within the OSD menu, you can adjust the following picture settings:
- Brightness: Adjusts the overall luminance of the screen.
- Contrast: Adjusts the difference between the brightest and darkest areas of the image.
- Color Temperature: Selects preset color temperatures (e.g., Warm, Cool, User).
- Aspect Ratio: Changes the display aspect ratio (e.g., 16:9, 4:3).
- Blue Light Filter: Reduces blue light emission to minimize eye strain.
6.4 Input Selection
If you have multiple devices connected to the monitor, you can manually select the input source through the OSD menu or a dedicated input button.
6.5 Audio Settings
The DHI-LM24-B200S monitor includes built-in speakers. You can adjust the volume and mute settings via the OSD menu.
7. Maintenance
- Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, dampen the cloth slightly with water or a non-abrasive screen cleaner. Do not spray liquid directly onto the screen.
- Cleaning the Casing: Use a soft, dry cloth to wipe the monitor casing. Avoid using strong detergents or solvents.
- Storage: If storing the monitor for an extended period, disconnect it from power and store it in a cool, dry place, preferably in its original packaging.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen |
|
|
| Image is blurry or distorted |
|
|
| No sound from speakers |
|
|
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Dahua |
| Model Number | LM24-B200S |
| Screen Size | 23.8 Inches |
| Resolution | FHD 1080p (1920 x 1080) |
| Aspect Ratio | 16:9 |
| Brightness | 250 cd/m² |
| Contrast Ratio | 2500:1 |
| Response Time | 5 milliseconds |
| Viewing Angle | H178/V178 |
| Connectivity | HDMI, VGA |
| Special Features | Blue Light Filter, Built-in Speakers |
| Color | Black |
10. Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Dahua website. Keep your purchase receipt as proof of purchase.





