Crelander Dynamic LED Smart Backpack Instruction Manual

1. Introduction

Thank you for choosing the Crelander Dynamic LED Smart Backpack. This innovative backpack features a customizable LED display, ample storage, and a comfortable design, making it suitable for various activities such as daily commutes, cycling, travel, and outdoor sports. This manual provides essential information for the proper setup, operation, and maintenance of your new backpack.

Image 1.1: Crelander Dynamic LED Smart Backpack.

2. Product Features

• Dynamic LED Display: Features a 25 x 25 cm full-color LED screen with 64x64 resolution (P3.75 pixel pitch). Supports display of text, images, animations (GIFs), and custom drawings.
• App Control: Customize the LED display content via the 'LED Space' application, compatible with both Android and iOS devices.
• Spacious Storage: Approximately 42 x 30 x 13 cm (16.5 x 11.8 x 5.1 inches) in size, offering multiple compartments including a large zippered pocket for laptops/tablets and smaller independent pockets for personal items.
• Comfortable Design: Equipped with adjustable shoulder straps and a fully ventilated, well-padded back panel for optimal comfort during extended wear.
• Durable Materials: Constructed with waterproof fabric, breathable cotton, and features airtight two-way zippers for enhanced protection.

Image 2.1: Product dimensions and material highlights.

Image 2.2: Internal storage compartments and capacity.

Image 2.3: Key features including zipper, waterproof material, and app control.

3. Package Contents

The Crelander Dynamic LED Smart Backpack package includes:

• 1 x Crelander Dynamic LED Smart Backpack

Note: A mobile power bank is required to power the LED display and is not included in the package due to safety transportation regulations. Please purchase a compatible power bank separately.

4. Setup Guide

4.1. Powering the LED Display

1. Locate the USB power cable inside the backpack's dedicated compartment for the LED screen.
2. Connect the USB cable to a compatible mobile power bank (not included).
3. Ensure the power bank is turned on. The LED display on the backpack should illuminate.

4.2. App Download and Installation

1. Scan the QR code provided in the backpack's manual or on the product packaging to download the 'LED Space' application. Alternatively, search for 'LED Space' in your device's app store (Google Play Store for Android, Apple App Store for iOS).
2. Install the application on your smartphone.

Example App Links (may vary by region or version):

• Google Play Store Link
• Alternative App Link

4.3. Bluetooth Connection

1. Ensure your smartphone's Bluetooth is enabled.
2. Open the 'LED Space' application.
3. The app will automatically search for and connect to the backpack's LED display via Bluetooth. Follow any on-screen prompts to complete the pairing process.

Image 4.1: Steps for connecting power and downloading the app.

Image 4.2: Simplified steps for initial setup and app usage.

5. Operating Instructions

5.1. Customizing the LED Display

Once connected, the 'LED Space' app allows you to control and customize the backpack's display:

• Text Display: Enter custom text messages, choose fonts, colors, and scrolling effects.
• Image/GIF Upload: Upload static images or animated GIFs from your phone's gallery to display on the screen.
• Drawing/Graffiti: Use the app's drawing tool to create custom patterns or messages directly on the screen.
• Pre-set Animations: Select from a library of pre-installed animations and patterns.

Refer to the in-app tutorial or help section for detailed instructions on each customization feature.

6. Maintenance

6.1. Cleaning

• Hand Wash Only: The backpack should be hand washed only. Do not machine wash, tumble dry, or iron.
• Before cleaning, ensure the power bank is disconnected and removed from the backpack.
• Use a soft cloth dampened with mild soap and water to gently clean the exterior surfaces. Avoid harsh chemicals or abrasive cleaners.
• For the LED screen, wipe gently with a dry, soft, lint-free cloth. Do not apply liquid directly to the screen.
• Allow the backpack to air dry completely before reconnecting the power bank or storing.

6.2. Storage

Store the backpack in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Ensure the power bank is disconnected and stored separately.

7. Troubleshooting

• LED Screen Not Turning On:
  • Ensure the power bank is fully charged and properly connected to the backpack's internal USB cable.
  • Verify the power bank is switched on.
  • Check for any visible damage to the USB cable or connection port.
• App Not Connecting to Backpack:
  • Make sure the backpack's LED screen is powered on.
  • Ensure Bluetooth is enabled on your smartphone.
  • Restart the 'LED Space' app and try connecting again.
  • Try restarting your smartphone and the backpack (by disconnecting and reconnecting the power bank).
  • Ensure the app has necessary permissions (e.g., Bluetooth, location) enabled in your phone's settings.
• Display Content Not Updating:
  • Verify that the app is successfully connected to the backpack.
  • Check your internet connection if you are trying to download new content or updates within the app.
  • Ensure the content you are trying to display is in a supported format (text, common image formats, GIF).

8. Specifications

9. Warranty and Support

Crelander products are manufactured to high-quality standards. For information regarding warranty coverage, please refer to the warranty card included with your purchase or contact your retailer. For technical support or further assistance, please reach out to Crelander customer service through the contact information provided on the product packaging or the official Crelander website.