Xiaomi Redmi A27U

Xiaomi Redmi A27U Monitor User Manual

Model: Redmi A27U (P27UCB-RA / P27UCA-RA)

1. Introduction

Thank you for choosing the Xiaomi Redmi A27U Monitor. This manual provides essential information for setting up, operating, and maintaining your monitor. Please read it carefully before use to ensure optimal performance and longevity of your device.

The Redmi A27U monitor is available in two versions:

  • Redmi A27U Type C (Model: P27UCB-RA): Features a multi-functional Type-C port that supports video, data transmission, and up to 90W reverse charging for compatible devices.
  • Redmi A27U (Model: P27UCA-RA): This version does not include the Type-C port with power delivery functionality.

All other specifications and features are identical between the two models.

2. Product Overview

The Xiaomi Redmi A27U Monitor is designed to deliver a superior visual experience with its 4K Ultra HD resolution and professional-grade color accuracy. Key features include:

  • 4K Ultra HD Resolution (3840 x 2160): Provides incredibly detailed and sharp visuals.
  • 27-inch IPS Display: Offers a wide 178° viewing angle for consistent image quality from various positions.
  • Exceptional Color Performance: Features 10-bit color depth, 100% sRGB, and 95% DCI-P3 color gamut coverage, displaying 1.07 billion colors with natural transitions.
  • Professional Color Accuracy: Each unit is factory-calibrated to achieve a ΔE < 1, ensuring minimal perceptible color difference for precise image editing and design.
  • Multi-Function Type-C Port (Type C version only): Supports audio/video signal transmission, data transfer, and up to 90W power delivery to charge connected laptops.
  • Xiaomi Eye Protection Solution: Certified for low blue light (TüV Rheinland) and equipped with DC dimming to reduce eye strain during prolonged use.
  • Multi-Functional Adjustable Stand: Allows for height adjustment, tilt (front 5°, rear 21°), swivel, and pivot (vertical screen orientation). It also supports VESA 75x75 wall mounting (bracket sold separately).
  • Integrated USB Hub: Provides additional USB ports for connecting peripherals, streamlining your workspace.
  • Sleek Three Micro-Edge Design: Maximizes screen real estate for an immersive viewing experience, especially in multi-monitor setups.
  • HDR10 Support: Enhances dynamic range for more vibrant and realistic images.
Xiaomi Redmi A27U 4K Ultra HD Monitor with key specifications
The Xiaomi Redmi A27U 4K Ultra HD Monitor highlighting its 3840x2160 resolution, 90W Type-C (for Type C version), ΔE<1 color accuracy, 10-bit color depth, and 178° viewing angle.

3. Package Contents

Please check the package contents upon unboxing. If any items are missing or damaged, contact your retailer.

  • Monitor Unit
  • Stand Components (Base, Stand Arm)
  • Power Adapter (24V 5A)
  • Power Cable
  • HDMI Cable
  • Type-C to Type-C Cable (Included with Redmi A27U Type C version only)
  • User Manual (this document)

4. Setup Instructions

4.1. Assembling the Stand

  1. Carefully remove the monitor from its packaging, placing it face down on a soft, clean surface to prevent scratches.
  2. Attach the stand arm to the back of the monitor. Ensure it clicks securely into place or is fastened with screws if provided.
  3. Attach the stand base to the bottom of the stand arm. Tighten the thumb screw or screws until the base is firmly attached.
Rear and side views of the monitor with stand
Rear and side views of the monitor, illustrating the design and stand attachment points.

4.2. Wall Mounting (Optional)

The monitor supports VESA 75x75mm wall mounting. A wall mount bracket must be purchased separately. Follow the instructions provided with your VESA mount for installation.

Multifunctional bracket showing various adjustments
The multifunctional bracket supports lifting, portrait mode, left and right rotation, and front and back pitch. Wall mounting is also supported.

4.3. Connecting to a Device

Connect the monitor to your computer or other devices using the appropriate cables.

  1. Power Connection: Connect the power adapter to the monitor's power input (24V 5A) and then plug it into a power outlet.
  2. Video Connection:
    • HDMI: Connect an HDMI cable from your device to the monitor's HDMI port.
    • DisplayPort (DP): Connect a DisplayPort cable from your device to the monitor's DP port.
    • Type-C (Redmi A27U Type C version only): Connect the included Type-C to Type-C cable from your compatible laptop to the monitor's Type-C port. This single cable can transmit video, audio, data, and charge your laptop (up to 90W).
  3. USB Peripherals (via USB Hub): If using the Type-C version, once connected to a laptop via Type-C, you can connect USB peripherals (e.g., mouse, keyboard, USB flash drive) to the USB-A ports on the monitor.
Rear view of the monitor showing various ports
Rear view of the monitor displaying its various input and output ports, including USB-A, HDMI, DisplayPort, and Type-C.
Monitor connected to a laptop via Type-C
The monitor connected to a laptop via a single Type-C cable, demonstrating simultaneous display, data transfer, and charging.

5. Operating Instructions

5.1. Power On/Off

Press the power button, usually located on the back or bottom of the monitor, to turn the monitor on or off. The power indicator light will illuminate when the monitor is on.

5.2. OSD (On-Screen Display) Menu Navigation

The OSD menu allows you to adjust various monitor settings. Use the joystick or buttons (location may vary) on the monitor to navigate the menu:

  • Press: Enter/Confirm selection.
  • Up/Down/Left/Right: Navigate through menu options or adjust values.

Common OSD settings include:

  • Picture Settings: Brightness, Contrast, Sharpness, Color Temperature.
  • Color Modes: sRGB, DCI-P3, User-defined.
  • Input Source: Select between HDMI, DisplayPort, or Type-C.
  • Eye Protection Mode: Enable low blue light mode.
  • System Settings: Language, OSD Timeout, Reset to Factory Defaults.

5.3. Stand Adjustments

The multi-functional stand allows for ergonomic adjustments:

  • Height Adjustment: Gently push or pull the monitor up or down to your desired height.
  • Tilt: Hold the top and bottom edges of the monitor and gently tilt it forward (5°) or backward (21°).
  • Swivel: Rotate the monitor left or right on its base.
  • Pivot (Vertical Screen): Rotate the monitor 90 degrees to achieve a vertical (portrait) orientation. Remember to adjust your operating system's display settings accordingly. The OSD menu interface can also be set to rotate with the screen.
Monitor stand adjustments (lift, tilt, pivot)
Illustrates the various adjustments possible with the monitor stand, including height, tilt, and pivot for vertical screen orientation.

5.4. Multi-Screen Setup

The monitor's three micro-edge design is ideal for multi-monitor configurations, providing a seamless and immersive viewing experience. Connect multiple monitors to your device using available video ports (HDMI, DisplayPort, Type-C) and configure your display settings in your operating system.

Three monitors in a multi-screen setup
A multi-monitor setup showcasing the minimal bezels for an expanded visual workspace.

5.5. Using the USB Hub (Redmi A27U Type C version only)

When your laptop is connected to the monitor via the Type-C cable, the monitor acts as a USB hub. You can connect USB peripherals such as a mouse, keyboard, or USB flash drive to the USB-A ports on the monitor. This reduces cable clutter and expands your laptop's connectivity options.

Close-up of the snap-on back cover for cable management
The snap-on back cover helps conceal cables and interfaces for a tidy setup.

6. Maintenance

  • Cleaning the Screen: Gently wipe the screen with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a specialized screen cleaner. Do not use alcohol, ammonia, or abrasive cleaners.
  • Cleaning the Casing: Use a soft, dry cloth to wipe the monitor casing.
  • Storage: Store the monitor in a cool, dry place away from direct sunlight and extreme temperatures.
  • Avoid Liquids: Do not spray liquids directly onto the monitor or allow them to drip into openings.

7. Troubleshooting

If you encounter issues with your monitor, refer to the following common problems and solutions:

No Power / No Display:
  • Ensure the power cable is securely connected to both the monitor and a working power outlet.
  • Check if the power adapter is functioning correctly.
  • Press the monitor's power button to ensure it is turned on.
  • Verify that the video cable (HDMI, DisplayPort, or Type-C) is securely connected to both the monitor and your source device.
  • Select the correct input source via the OSD menu.
Image is Blurry / Distorted:
  • Ensure the display resolution on your computer is set to the monitor's native resolution (3840x2160).
  • Check the video cable for damage or loose connections.
  • Adjust the monitor's picture settings (e.g., sharpness) via the OSD menu.
Incorrect Colors:
  • Reset the monitor's color settings to factory defaults via the OSD menu.
  • Ensure your graphics card drivers are up to date.
  • If using multiple monitors, ensure consistent color profiles are applied.
Screen Flickering:
  • Enable DC dimming in the OSD menu if available.
  • Check for external interference from other electronic devices.
  • Ensure the video cable is properly connected.
Laptop Not Charging via Type-C (Redmi A27U Type C version only):
  • Ensure your laptop supports charging via Type-C (Power Delivery).
  • Verify that the Type-C cable is the original or a certified cable that supports power delivery.
  • Check your laptop's power settings.

8. Specifications

Feature Specification
Brand Name XIAOMI
Product Model P27UCB-RA (Type C version), P27UCA-RA (Regular version)
Panel Type IPS
Resolution 3840x2160 (4K Ultra HD)
Display Ratio 16:9
Refresh Rate 60 Hz
Response Time 6ms
Matrix Color Depth 10 bit (1.07 billion colors)
Color Gamut 100% sRGB, 95% DCI-P3
Color Accuracy ΔE < 1 (Factory Calibrated)
Brightness 300 nits (typical value)
Contrast Ratio 1200:1 (typical value)
High-Dynamic Range HDR10
Eye Protection Low Blue Light (TüV Certified), DC Dimming
Interface Type Type-C (90W PD for P27UCB-RA), HDMI, DisplayPort, USB-A (USB Hub)
Bracket Type Swivel Lift Bracket (Lift, Rotation, Vertical Screen, Pitch)
Wall Mounting Support (VESA 75*75)
Built-in Speaker No
Power Input 24V 5A
Rated Power 120W
Product Size (including base) 613*185*511mm
Product Net Weight (including base) 5.5 Kg
Pixel Pitch 0.1554 (H) X 0.1554 (V) mm
Certification CE, EAC, FCC, RoHS

9. Warranty and Support

The Xiaomi Redmi A27U Monitor comes with a 2-year quality assurance. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.

For technical support, warranty service, or any product-related inquiries, please contact your local Xiaomi service center or the retailer from whom you purchased the product. They will provide guidance on troubleshooting, repairs, or replacements as per the warranty terms.

10. User Tips

  • Gaming Performance: While the 4K resolution provides stunning visuals, the 60Hz refresh rate is standard. For competitive gaming, users seeking higher frame rates might consider monitors with higher refresh rates.
  • Audio Setup: As the monitor does not have built-in speakers, external speakers or headphones are required for audio output. Connect them directly to your computer or through the monitor's audio output if available (check specific model for audio out port).
  • Color Consistency: For professional work requiring precise color, utilize the factory-calibrated ΔE < 1 accuracy and consider using the monitor's specific color profiles.
  • Ergonomics: Take full advantage of the adjustable stand to set the monitor at an ergonomic height and angle to reduce neck and eye strain during long work sessions.

11. Frequently Asked Questions (FAQ)

Q: What is the difference between the Redmi A27U Type C and the Redmi A27U?
A: The Redmi A27U Type C model (P27UCB-RA) includes a multi-functional Type-C port that supports video, data, and up to 90W power delivery to charge compatible laptops. The standard Redmi A27U model (P27UCA-RA) does not have this Type-C port. All other specifications are identical.
Q: Does this monitor have built-in speakers?
A: No, the Xiaomi Redmi A27U Monitor does not have built-in speakers. You will need to connect external speakers or headphones for audio output.
Q: What is the refresh rate of this monitor?
A: The refresh rate of this monitor is 60 Hz.

Related Documents - Redmi A27U

Preview Dati del Prodotto e Servizio per Telefoni Cellulari Xiaomi
Informazioni dettagliate sui dati del prodotto e di servizio raccolti dai telefoni cellulari Xiaomi, in conformità con la Legge sui dati (Data Act). Include dettagli su tipi di dati, finalità, conservazione e accesso.
Preview Données de Produit et de Service des Smartphones Xiaomi : Guide Complet
Informations détaillées sur les données collectées, traitées et conservées par les smartphones Xiaomi, Redmi et POCO, conformément aux réglementations sur les données. Inclut les types de données, les objectifs, les volumes estimés et les droits des utilisateurs.
Preview Uživatelská příručka pro chytrý telefon Xiaomi - Instalace, Ovládání a Bezpečnost
Komplexní uživatelská příručka pro chytré telefony Xiaomi, pokrývající instalaci SIM karty, základní ovládání, navigaci, nastavení a důležitá bezpečnostní upozornění.
Preview Xiaomi Pads: Διαχείριση Δεδομένων και Επισκόπηση Προϊόντων
Πληροφορίες σχετικά με την επεξεργασία δεδομένων για τα Xiaomi Pads, συμπεριλαμβανομένων δεδομένων προϊόντος, δεδομένων υπηρεσιών και καταλόγου μοντέλων Xiaomi Pad που πωλούνται στην ΕΕ.
Preview Redmi 9 User Guide | Xiaomi
Comprehensive user guide for the Xiaomi Redmi 9 smartphone, covering device layout, buttons, and ports. Learn about your Redmi 9.
Preview 20000mAh Redmi 18W Hızlı Şarj Power Bank Kullanıcı Kılavuzu
Redmi 20000mAh 18W Hızlı Şarj Power Bank için kapsamlı kullanıcı kılavuzu. Cihazın özellikleri, kullanımı, bakımı, güvenliği ve geri dönüşümü hakkında detaylı bilgiler içerir.