xiaomi BHR4975EU 27 Inch Desktop Monitor User Manual
Product Overview
Monitor Overview

Package Contents
- Monitor

- Base

- Stand
- User Manual

- HDMI Cable

- Power Adapter

Installation
Installing the Base


Do not press.
It is recommended to install the monitor on the foam to avoid dropping or scratching it.
- Unpack the box, then remove the monitor with its protective foam together from the box and place them on a flat stable surface.

- Install the stand onto the base and fasten it with the thumb screw from the bottom of the base.

- Remove the top foam layer and the plastic bag to expose the mounting point on the back of the monitor.

- Install the stand onto the mounting point until it clicks into place. Try to shake the stand to make sure it is securely installed.
Caution: To reduce the risk of the monitor from accidentally falling down, please make sure the stand is firmly installed in place.
Note: Press the clip to remove the stand.
- Use both hands to carefully take out the fully assembled monitor and place it on a flat stable surface.
Note: To avoid damaging the screen, be careful not to press on the LCD screen when standing it up

- Adjust the angles forward or backward based on your needs.
Note: When adjusting the angles, it is recommended to use one hand to hold down the base and use the other hand to adjust the monitor. Otherwise, the monitor may fall down.

Connections
- Connect the VGA cable. VGA cable is only used for transferring data or signals via the VGA port. It is sold separately.
a. Make sure the monitor and the computer are both turned off.
b. Connect one end of the VGA cable to the computer’s VGA output port, and the other end to the monitor’s VGA port. - Connect the HDMI cable. HDMI cable is only used for transferring data or signals via the HDMI port.
a. Make sure the monitor and the computer are both turned off.
b. Connect one end of the HDMI cable to the computer’s HDMI output port, and the other end to the monitor’s HDMI port. - Connect a headset or any 3.5 mm compatible external audio device to the monitor’s audio port
Note: If the power cord or HDMI cable is damaged, it must be replaced with a genuine one purchased from the manufacturer or after-sales service department.
Note: The audio port is only used for the output of audio signals.- Power Port (DC IN): Power input.
- HDMI(1.4) Port: Maximum resolution 1920 × 1080, maximum refresh rate 75 Hz.
- VGA Port: Maximum resolution 1920 × 1080, maximum refresh rate 60 Hz.
- Audio Port: Audio output.

Turning On/Off
| Press the middle of the 5-way navigation button | ![]() | Turn On |
| Press and hold the middle of the 5-way navigation button for 3 seconds | ![]() | Turn Off |
Indicator Status
| Dimmed | Off | |
| Lit | On | |
| Blinking | In sleep mode |
5-way Navigation Button Instructions
| Operation | Result | ||
| When menu is not displayed on the monitor | When shortcut menu is displayed on the monitor | When main menu is displayed on the monitor | |
Press right ![]() | Open shortcut menu | Open main menu | Switch between menu options/Select |
Press up![]() | Open shortcut menu | Shortcut Button 1 | Move up/Increase the value |
Press up and hold for 5 seconds![]() | Disable menu | / | / |
Press down![]() | Open shortcut menu | Shortcut Button 2 | Move down/Decrease the value |
Press left ![]() | Open shortcut menu | Close shortcut menu | Go Back |
Note: Once the menu is disabled, doing any operation listed above is no longer able to open the menu.
A message will pop up to inform you that the on-screen display (OSD) has been locked up. Press and hold the button for 5 seconds on any direction to enable the menu and unlock the OSD.
Shortcut Button Description
- When the menu is not displayed, you can open the shortcut menu by pressing the 5-way navigation button on any direction of up, down, left, or right.
- When the shortcut menu is displayed, press the 5-wa navigation button on the four directions up, down, left, or right to select the corresponding options.
- You can set the shortcut button function via Main Menu > Settings > Shortcut Key > Shortcut Key 1/Shortcut Key 2. By default, the shortcut button 1 is input source settings and the shortcut button 2 is smart mode settings.
Main Menu Description
| Mi Monitor | Standard Mode | |
Bri/Con | Brightness | |
Display | Contrast | |
PQ | DCR | |
Smart Modes | Black Level | |
Settings | ||
Back | ||
| Main Menu | Submenu | Description | Option | Default |
|
Bri/Con | Brightness | Adjust the monitor’s brightness | 0-100 | 80 |
| Contrast | Adjust the monitor’s contrast | 0-100 | 75 | |
| DCR | Adjust the monitor’s dynamic contrast | On/Off | Off | |
| Black Level | Adjust the monitor’s black level | 0-100 | 50 | |
|
Display | Color Temperature | Adjust the monitor’s color temperature | Standard/Warm/Cool/ Custom | Standard |
| Hue | Adjust the monitor’s hue | 0-100 | 50 | |
| Saturation | Adjust the monitor’s saturation | 0-100 | 50 | |
| Gamma | Adjust the monitor’s gamma | 1.8/2.0/2.2/2.4/2.6 | 2.2 | |
| Aspect Ratio | Adjust the monitor’s aspect ratio | Full/Auto | Full |
| Main Menu | Submenu | Description | Option | Default | |
| PQ | Response Time | Adjust the monitor’s response time | Ultrafast/Superfast/ Fast/Normal | Normal | |
| Sharpness | Adjust the monitor’s sharpness | 0-100 | 50 | ||
| Auto-adjust | Adjust the image automatically when using the VGA signal source | / | / | ||
| Smart Modes | Standard Mode | Set to standard mode | Only one mode can be selected at a time | Standard Mode | |
| ECO Mode | Set to eco mode | ||||
| Game Mode | Set to game mode | ||||
| Movie Mode | Set to movie mode | ||||
| Low Blue Light Mode | Set to low blue light mode | ||||
| Input | HDMI | Switch input source to HDMI | / | / | |
| VGA | Switch input source to VGA | / | / | ||
| Settings | Language | Select the menu language | English/Español/ Русский/Français/ Italiano/Deutsch/Polski/ عربي ، 한국어/ | English | |
| Shortcut Key | Shortcut Key 1 | Set function for shortcut button 1 | Color Temperature/ Smart Modes/lnput Source/Brightness/ Contrast | Input Source | |
| Shortcut Key 2 | Set function for shortcut button 2 | Color Temperature/ Smart Modes/lnput Source/Brightness/ Contrast | Smart Modes | ||
| OSD Settings | Settings menu related preferences | Timer | 10s | ||
| Volume | Adjust the monitor’s volume | 0-100 | 50 | ||
| Information | Model Number Current Resolution Input Source HDMI logo Low Blue Light Content | / | / | ||
| Reset | / | / | / | ||
Precautions
- Do not use this monitor in damp or humid environments such as bathrooms, kitchens, basements, or near swimming pools.
- Make sure the monitor is placed on a stable surface. If the monitor falls down or is knocked over, it may cause personal injury or damage to the monitor.
- Store and use the monitor in a cool, dry, ventilated place. Keep the monitor away from radiation and heat sources.
- Do not cover or block the heat dissipation vents on the back of the monitor. Do not place the monitor on a bed, sofa, blanket, etc.
- The monitor’s operating voltage range is indicated on a label on the back of the monitor. If you are unsure what voltage your power supply is, please contact the monitor’s distributor or local power company.
- If you do not plan to use the monitor for a long period of time, unplug it from the electrical outlet so as to prevent possible damage from power surges or lightning strikes.
- Do not overload electrical outlets, as this may cause a fire or an electric shock.
- Do not insert any foreign objects into the monitor, as this may cause a short circuit which can lead to a fire or an electric shock.
- Do not attempt to disassemble or repair the monitor yourself. If the monitor is not functioning properly, please contact our after-sales service department for assistance.
- Do not excessively pull, twist, or bend the power cord.
- There is a polarizing film attached to the screen (not the protective film), please do not tear it off. Any damage caused by the user will void the warranty.
Troubleshooting
| Issue | Possible Cause | Solutions |
| Unable to turn on | No power |
|
| Image is dark | Brightness/ Contrast not adjusted properly |
|
| Image is jittery or has ripples | Interference |
|
| The indicator is blinking, no image on the screen | No signal, entering sleep mode |
|
| The monitor displays that the current resolution is not supported | Resolution is incorrect |
|
| Unable to open the menu, and the monitor displays the OSD is locked up | The menu is disabled |
|
Specifications
| Model | RMMNT27NF |
| Power Input | 12 V 2 A |
| Rated Power* | 24 W Max. |
| Screen Size | 27” |
| Viewable Image Size (Diagonal) | 685.98 mm |
| Dot Pitch | 0.3114 x 0.3114 mm |
| Brightness | 300 cd/m2 (TYP) |
| Contrast | 1000:1 (TYP) |
| Dynamic Contrast | 1000000:1 |
| Color Gamut | 16.7 M |
| Aspect Ratio | 16:9 |
| Response Time | 6ms (GTG) |
| Maximum Resolution | 1920 x 1080 |
| Recommended Resolution | 1920 x 1080 |
| Maximum Refresh Rate | 75 Hz |
| Recommended Refresh Rate | 60 Hz |
| Item Dimensions | 613.2 (L) x 205.3 (W) x 476.0 (H) mm |
| Net Weight | 4.3 kg |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 20% – 80% RH |
* The power of the power adapter is not included.
The Adopted Trademarks HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries
Eye Health
To avoid eyestrain, or neck, arm, elbow, and shoulder pain caused by using the computer for a long time, please follow the suggestions listed below:
- Keep the monitor at a distance of 20-28 inches (approx. 50-70 cm) from your eyes.
- Blink more often to relieve eye fatigue when staring at the monitor.
- Give your eyes a 20-minute break after using the monitor for two hours.
- Take your eyes off the monitor and look at something a certain distance away for at least 20 seconds.
- Stretch your body to help relieve tension on the neck, arms, back, and shoulders.
Low Blue Light Description
In recent years, eye damage caused by blue light has attracted more and more attention. In general, the wavelength of blue light is 400-480 nm, and the wavelength of harmful blue light is 415-455 nm. This monitor has a function to help reduce your exposure to the blue light emission. You can enable the low blue light mode via the settings menu.
Regulatory Compliance Information
WEEE Disposal and Recycling Information
All products bearing this symbol are waste electrical and electronic equipment (WEEE as in directive 2012/19/EU) which should not be mixed with unsorted household waste. Instead, you should protect human health and the environment by handing over your waste equipment to a designated collection point for the recycling of waste electrical and electronic equipment, appointed by the government or local authorities.
Correct disposal and recycling will help prevent potential negative consequences to the environment and human health. Please contact the installer or local authorities for more information about the location as well as terms and conditions of such collection points.
EU Declaration of Conformity
We, Xiaomi Communications Co., Ltd., hereby, declare that this equipment is in compliance with the applicable Directives and European Norms, and amendments. The full text of the EU declaration of conformity is available at the following internet address:
http://www.mi.com/global/service/support/declaration.html
For Product Information Sheet, please scan the QR code below.






















Bri/Con
Display
PQ
Smart Modes
Settings
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