Introduction
The Meebook P78 Pro is a 7.8-inch E-ink Carta touchscreen e-reader designed to provide a comfortable and versatile reading experience. Featuring a quad-core 1.8GHz CPU, 3GB RAM, and 32GB internal memory (expandable via SD card), it runs on Android 11, allowing for the installation of third-party applications via the Google Play Store. This device includes a built-in cold/warm light for eye protection and supports optional capacitive pen input for note-taking and handwriting. Its advanced ZReader engine offers extensive customization for text layout, multi-language support, and personal reading adjustments, while professional PDF optimization enhances the readability of complex documents.
Setup
1. Initial Power On
Press and hold the power button (located on the top right side as shown in the diagram) until the Meebook logo appears. The device will boot up to the welcome screen.

2. Google Play Store Activation
The Meebook P78 Pro comes with Google Play Store support, but it may require activation. Follow these steps:
- Go to 'APP' on your device.
- Navigate to 'User settings'.
- Select 'Upgrade to the latest version'. Ensure your device is updated to at least version MEEBOOK-V1.0.0-2022030119 or newer.
- After the software upgrade is successful, go to 'Device settings'.
- Find and enable 'Google Frame'.
- Turn it 'On'.
- Bind the device to your Google account to access the Google Play Store.

Operating Instructions
1. Basic Navigation
The device features a touch-sensitive E-ink screen for navigation. Use taps and swipes to interact with the interface. The home button is located at the bottom center of the device. The power button is on the top right side.

2. Reading Features (ZReader Engine)
The new generation ZReader engine provides a fresh reading experience with various customization options:
- Original Text Layout: Enjoy books with their intended formatting.
- Multi-Languages & Fonts Mixed Setting: Adjust languages and fonts to your preference.
- Reading Progress Display: Keep track of your reading progress.
- Personal Reading Adjustment: Customize indentation, line spacing, paragraph spacing, and font spacing for optimal comfort.

3. PDF Professional Optimization
The device offers six major optimizations for PDF documents to enhance your reading experience:
- Removing Watermark
- Contrast Control
- Edge Cutting
- Format Adjustment
- Reflowing
- Rearrangement

4. Light Adjustment
The Meebook P78 Pro features a built-in cold/warm dual-color temperature frontlight with 24 levels of adjustment. This allows you to customize the reading light effect to suit your eyes and environment.

5. Handwriting and Note-taking (with optional pen)
If you have the optional capacitive pen, you can use it to write notes, sketch ideas, or make annotations directly on your e-books. This feature is ideal for students, professionals, or anyone who prefers to interact with their reading material.

6. App Installation
With the open Android 11 system and Google Play Store access, you can install a wide range of third-party reading apps, news apps, and other utilities to expand the functionality of your e-reader.
7. File Transfer
You can transfer books and other files to your Meebook P78 Pro using multiple methods:
- USB Transfer: Connect the device to a computer using the USB-C cable.
- Bluetooth Transfer: Pair with another Bluetooth-enabled device to send files.
- Wi-Fi Transfer: Use Wi-Fi to download content directly or transfer from network storage.

8. Gesture Control
The device's firmware includes convenient gesture control functions. For example, you can hold the edge of the screen (right/left side) to switch on the light, and slide to adjust brightness and color temperature. More gesture control options can be found in 'Settings' > 'User settings' > 'Gesture operation custom settings'.

Maintenance
1. Battery Management
The Meebook P78 Pro is equipped with a 3200mAh lithium polymer battery, offering ultra-low power consumption and long standby time. A full charge can provide up to 45 days of standby time and approximately 2 weeks of reading time (based on 2 hours per day with Wi-Fi and frontlight off). Charge the device using the provided USB-C cable and a compatible 5V/2A charger.

2. Cleaning
To clean the E-ink screen, use a soft, lint-free cloth. For stubborn smudges, slightly dampen the cloth with water or a screen cleaner specifically designed for electronics. Avoid harsh chemicals or abrasive materials.
3. Storage
Store the device in a cool, dry place away from direct sunlight and extreme temperatures. When not in use, consider using a protective case to prevent scratches and damage. The device features a hidden card slot for the TF card, which helps protect your storage.

Troubleshooting
Google Play Store Not Working
If you encounter issues with the Google Play Store, ensure you have followed all activation steps outlined in the 'Setup' section, including updating the firmware and enabling 'Google Frame' in device settings. A stable Wi-Fi connection is also necessary for Google Play services.
Device Unresponsive
If the device becomes unresponsive, try a soft reset by pressing and holding the power button for approximately 10-15 seconds until it restarts.
Screen Flickering/Ghosting
E-ink screens may occasionally show slight ghosting or flickering during page turns or refreshes. This is normal behavior. If it becomes persistent or distracting, ensure the device is fully charged and try a soft reset. You can also adjust the screen refresh rate in the display settings if available.
Specifications
| Feature | Specification |
|---|---|
| Product No | P78 PRO |
| Display | 7.8 inch E-ink Carta HD |
| Resolution | 1872x1404 (300PPI) |
| Frontlight | Cold/Warm dual color temperature, 24 levels adjustable |
| Operating System | Android 11 |
| Chipset | Quad core 1.8GHz Cortex A55 |
| RAM | 3 GB |
| Internal Memory | 32 GB |
| Wi-Fi | 802.11 a/b/g/n |
| Bluetooth | BT 4.2 |
| Capacitive Pen Support | Yes (pen sold separately) |
| USB Interface | USB-C (for data transmitting, OTG, Audio out) |
| Speaker | Single speaker |
| TF Card Slot | Supports up to 256GB expansion |
| Battery | 3200mAh lithium polymer |
| Body Dimensions | 197.2 * 138.7 * 8.0 mm |
| Weight | About 267g |
| Display Color | Black Write |
| Recording Function | Yes |

User Tips
- Optimize Reading Light: Utilize the 24-level cold/warm light adjustment to find the most comfortable lighting for your eyes in any environment.
- Expand Storage: Don't hesitate to use a TF card (up to 256GB) to significantly expand your library and app storage.
- Personalize Your Reading: Explore the ZReader's personal reading adjustment settings to customize font, line spacing, and layout for an ideal reading experience.
- PDF Enhancements: For PDF documents, leverage the professional optimization features like edge cutting and reflowing to improve readability on the E-ink screen.
- Gesture Shortcuts: Familiarize yourself with the gesture controls for quick actions like adjusting the frontlight.
Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact the seller/manufacturer directly. Keep your proof of purchase for any warranty claims.