iFLYTEK AI Smart Recorder SR302 Pro User Manual

1. Introduction

The iFLYTEK AI Smart Recorder SR302 Pro is a professional-grade recording device designed for high-fidelity audio capture and advanced transcription. Featuring offline and real-time transcription, professional noise reduction, and smart editing functions, it is an indispensable tool for students, professionals, and anyone needing accurate voice-to-text conversion.

Figure 1.1: The iFLYTEK AI Smart Recorder SR302 Pro, showcasing its sleek design and compact form factor.

2. Product Overview

2.1 Key Features

• Professional Recording: Equipped with directional and omnidirectional microphones for 360° sound pickup and intelligent noise reduction.
• Offline Transcription: Transcribes voice to text in real-time or saves text instantly after recording, even without internet connectivity.
• Multi-language Support: Supports transcription in Chinese, English, Japanese, Korean, and Russian, with automatic recognition for Chinese and English.
• High-performance Processor: Features an Octa-core 64-bit processor for enhanced AI computing performance.
• Intelligent Editing: Automatically segments text, allows one-click marking of key information, and filters non-speech voice and modal particles.

2.2 Device Components

Figure 2.1: Microphone array configuration. The device features two directional microphones at the top and four omnidirectional microphones around the body for comprehensive sound capture.

The SR302 Pro integrates a sophisticated 2+4 microphone array, combining two directional microphones for focused sound pickup and four omnidirectional microphones for 360-degree sound source coverage. This design ensures precise recording across various environments.

• Display Screen: 2-inch screen for navigation and text display.
• Recording Button: Dedicated button for starting and stopping recordings.
• Navigation Pad: For menu navigation and selection.
• USB Type-C Port: For charging and data transfer.
• Built-in Speakers: For audio playback.

3. Setup and First Use

3.1 Charging the Device

Before first use, fully charge the SR302 Pro. Connect the included USB Type-C cable to the device and a compatible power adapter (not included) or a computer's USB port. The battery indicator on the screen will show charging progress.

3.2 Powering On/Off

• Power On: Press and hold the power button (usually located on the side) until the screen illuminates.
• Power Off: Press and hold the power button until a power-off prompt appears on the screen, then confirm.

3.3 Initial Language Setup

Upon first power-on, you may be prompted to select your preferred language. Use the navigation pad to select English and confirm. This setting can be changed later in the device settings menu.

4. Operating Instructions

4.1 Recording Audio

1. Ensure the device is sufficiently charged.
2. Navigate to the "Record" function on the main menu.
3. Press the dedicated recording button (red circle) to start recording. The screen will display the recording time.
4. To pause, press the recording button again. To stop and save, press and hold the recording button, or select the stop option on the screen.

The SR302 Pro automatically adjusts recording settings for optimal vocal effect and utilizes intelligent denoise technology. Voice pick-up coverage extends up to 10 meters, making it suitable for various environments like classrooms or meetings.

4.2 Transcription Features

• Real-time Offline Transcription: As you record, the device transcribes the voice into text directly on the screen.
• Non-real-time Offline Transcription: Voice and text are automatically saved, and transcription is completed after the recording ends.
• Intelligent Semantic Segmentation: The transcribed text can be automatically segmented based on the speaker's content, supporting both Chinese and English.
• Key Information Marking: During recording or audio playback, you can mark important information with a single click for easy retrieval.
• Non-speech Voice Filtering: Improve transcription efficiency by filtering out non-speech sounds.
• Number Optimization: The device optimizes numbers appearing in the voice for more accurate transcription.

Figure 4.1: The SR302 Pro's intelligent recording interface, displaying recording status and options.

5. Maintenance and Care

• Keep the device dry and away from extreme temperatures.
• Clean the screen and body with a soft, dry cloth. Avoid abrasive cleaners.
• Protect the microphone grilles from dust and debris to maintain optimal audio quality.
• Regularly back up important recordings to a computer or cloud storage.
• Avoid dropping the device or subjecting it to strong impacts.

6. Troubleshooting

6.1 Common Issues and Solutions

7. Specifications

8. Warranty and Support

For warranty information and technical support, please refer to the official iFLYTEK website or contact their customer service. Keep your purchase receipt for warranty claims.

Official Website: iFLYTEK Official Store