1. Introduction
The D21 Smart AI Voice Photo Translator Device is a compact and portable tool designed to facilitate communication across language barriers. It supports real-time voice and photo translation in numerous languages, offering both online and offline capabilities. This manual provides essential information for setting up, operating, and maintaining your device to ensure optimal performance.
2. Package Contents
Please check the box for the following items:
- 1 x D21 Language Translation Device
- 1 x Data Cable (Type-C)
3. Product Overview
The D21 translator features an ergonomic design for comfortable one-handed operation. It integrates various functions beyond basic translation to enhance your travel, business, and study efficiency.
Figure 1: D21 Translator Main Interface
The device's interface provides quick access to key features:
- Speech Translation: For real-time voice communication.
- Offline Translation: Translate without an internet connection (for supported languages).
- Photo Translation: Translate text from images using the built-in camera.
- Recorder: Record audio.
- Simultaneous Interpretation: For continuous, real-time translation of conversations.
- Input Translation: Translate typed text.
Figure 2: D21 Translator with Additional Functions
Additional integrated functions include:
- Oral English: Practice and improve spoken English.
- Word Bank: Store and review vocabulary.
- World Clock: Keep track of time zones.
- Currency Converter: Convert currencies on the go.
The D21 also offers intelligent voice services, allowing you to ask questions about weather, time, or general knowledge, similar to a smart assistant.
Figure 3: Intelligent Voice Services
4. Specifications
Figure 4: Product Parameters
| Feature | Detail |
|---|---|
| Product Name | D21 Intelligent Voice Translator |
| Screen Size | 3.97 inches |
| Resolution | 480*800 |
| Online Language Support | 142 languages |
| Offline Language Support | 19 languages |
| Online Image Translation | 39 languages |
| Offline Image Translation | 74 languages |
| Networking Method | WiFi / Offline |
| Storage Capacity | 16GB |
| Camera | 500W pixels |
| Battery Capacity | 2000mAh |
| Standby Time | 5-8 days |
| Working Time | 4-6 hours |
| Charging Interface | Type-C |
| Product Size | 128.16 x 64.14 x 14.2 mm |
| Weight | 135g |
| Material | ABS + Fuel Injection + UV |
| Application | Overseas travel, language learning, daily dating, business meetings |
| Color | Black |
| Package Length | 16 cm |
| Package Width | 10 cm |
| Package Height | 5 cm |
| Package Weight | 0.275 kg |
5. Setup
5.1 Charging the Device
Before first use, fully charge the D21 translator using the provided Type-C data cable and a compatible USB power adapter (not included). The charging port is typically located on the bottom or side of the device. A full charge usually takes a few hours.
5.2 Power On/Off
- To Power On: Press and hold the power button (usually on the side) for a few seconds until the screen lights up.
- To Power Off: Press and hold the power button, then select 'Power Off' on the screen.
5.3 Network Connection (WiFi)
For online translation and full functionality, connect your D21 device to a Wi-Fi network:
- Go to 'Settings' on the device.
- Select 'Wi-Fi' and turn it on.
- Choose your desired Wi-Fi network from the list.
- Enter the password if prompted and connect.
5.4 Language Selection
You can select the device's system language and the translation languages:
- Go to 'Settings' and find 'Language' or 'System Language'.
- Select your preferred system language.
- Within the translation application, select the source and target languages for translation.
6. Operating Instructions
6.1 Voice Translation
The D21 supports 142 online languages and 19 offline languages for voice translation.
- Open the 'Speech Translation' application.
- Select the source language (the language you will speak) and the target language (the language you want to translate to).
- Press and hold the designated microphone button (often indicated by a microphone icon) and speak clearly into the device.
- Release the button, and the translated text will appear on the screen and be spoken aloud.
6.2 Photo Translation
Translate text from images using the device's camera. This feature supports 39 online and 74 offline languages.
- Open the 'Photo Translation' application.
- Point the camera at the text you wish to translate.
- Ensure the text is well-lit and clear within the frame.
- Tap the capture button. The device will process the image and display the translated text.
6.3 Offline Translation
To use offline translation, ensure the necessary language packs are downloaded in advance via a Wi-Fi connection. Once downloaded, you can perform voice and photo translations without an internet connection for the supported offline languages.
6.4 Other Functions
Explore other features available on your D21 device:
- Recorder: Access the recorder app to capture audio notes or conversations.
- Simultaneous Interpretation: Engage this mode for continuous, fluid translation during dialogues.
- Input Translation: Manually type text into the device for translation.
- Oral English: Utilize this feature for language learning and pronunciation practice.
- World Clock & Currency Converter: Convenient tools for international travel.
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
- Software Updates: Periodically check for software updates in the device settings to ensure optimal performance and access to new features.
8. Troubleshooting
8.1 Device Not Turning On
- Ensure the device is fully charged. Connect it to a power source for at least 30 minutes before attempting to power on again.
- Try a different charging cable or adapter.
8.2 Translation Not Working / Inaccurate
- Online Translation: Verify that the device is connected to a stable Wi-Fi network.
- Offline Translation: Ensure the required offline language packs are downloaded and up-to-date.
- Speak clearly and at a moderate pace. Avoid background noise.
- For photo translation, ensure the text is well-lit, clear, and within the camera's frame.
- Check that the correct source and target languages are selected.
8.3 Poor Battery Life
- Reduce screen brightness.
- Turn off Wi-Fi when not needed.
- Close unused applications running in the background.
8.4 Device Freezes or Becomes Unresponsive
- Press and hold the power button for about 10-15 seconds to force a restart.
- If the issue persists, perform a factory reset (note: this will erase all data). Consult the device settings for the factory reset option.
9. User Tips
- Download Offline Packs: If you plan to travel to areas with limited internet access, download essential offline language packs beforehand.
- Clear Pronunciation: For best voice translation results, speak clearly and articulate your words.
- Optimal Lighting for Photo Translation: Ensure good lighting when using photo translation to help the camera accurately capture text.
- Regular Updates: Keep your device's software updated to benefit from performance improvements and new language support.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact the seller directly. Keep your proof of purchase for any warranty claims.
