Introduction
This user manual provides comprehensive instructions for operating your Tonfarb 64GB Digital Voice Recorder (Model VL23). Designed for portability and high-quality audio capture, this device is ideal for lectures, meetings, interviews, and personal memos. Please read this manual thoroughly to ensure proper use and to maximize the features of your new recorder.
What's in the Box
- Digital Voice Recorder x 1
- 64GB Memory Card (Pre-installed in the recorder) x 1
- USB Cable (Type-C) x 1
- Controller x 1
- User Manual x 1
Image: The Tonfarb Digital Voice Recorder, its remote control, and USB-C cable, displayed alongside its packaging and user manual.
Product Overview
The Tonfarb VL23 is designed for portability and ease of use. Its compact size allows it to be easily carried in a pocket or attached to a keychain.
Image: A diagram illustrating the compact dimensions (84.6x31.3x10mm) and key features of the recorder, including the microphone, save recording button, sound control recording switch, power button, and Type-C port.
Physical Features:
- Microphone: Integrated for audio input.
- REC+SAVE Button: Slide to start recording, slide back to save.
- ON+VOR+OFF Switch: Controls voice-activated recording and power.
- ON/OFF Switch: Power on/off.
- Type-C Port: For charging and data transfer.
- Display Screen: Shows recording status, time, and settings.
- Keyring Loop: For easy attachment to keychains or bags.
Setup
- Charging the Device: Connect the recorder to a USB power adapter or computer using the provided USB-C cable. The battery indicator on the screen will show charging status. A full charge provides up to 48 hours of continuous use.
- Initial Power On: Slide the ON/OFF switch to the "ON" position. The device screen will light up.
- Setting Time and Date: Refer to the detailed instructions in the user manual for setting the correct time and date, which is crucial for file organization.
Operating Instructions
1. Basic Recording and Saving
To start recording, simply slide the REC+SAVE button upwards. The device will begin recording immediately. To save the recording, slide the REC+SAVE button downwards. The recording will be saved automatically.
Image: An illustration showing a hand holding the recorder, with arrows indicating the "REC" (up) and "SAVE" (down) slide switch positions for one-click operation.
2. Voice Activated Recording (VOR)
The device features 7 levels of voice activation sensitivity. To enable VOR, slide the ON+VOR+OFF switch to the "ON+VOR" position. The recorder will automatically start recording when sound is detected and pause when silence occurs, optimizing storage space.
Image: A visual representation of the voice-activated recording feature, showing different decibel levels (60dB, 54dB, 52dB, 50dB) corresponding to 1, 3, 5, and 7 levels of sensitivity, indicating how the recorder adapts to various sound environments.
3. High-Quality Recording and Noise Reduction
The Tonfarb VL23 supports high-quality recording up to 1536kbps PCM in WAV and MP3 formats. It is equipped with a professional noise reduction chip, offering 7 levels of noise reduction and 7 levels of recording gain to ensure clear audio even in noisy environments.
Image: A graphic detailing the high-fidelity recording capabilities, highlighting the professional noise reduction chip, signal-to-noise ratio of ≥80dB, 7 levels of noise reduction, and 7 levels of gain. It also shows supported formats: MP3 (32kbps, 64kbps, 128kbps, 192kbps) and WAV (512kbps, 768kbps, 1024kbps, 1536kbps).
4. Playback and Navigation (Using External Controller)
The recorder does not have a built-in speaker. To listen to recordings or navigate menus, you must use the provided external controller and headphones (not included). Connect the controller to the Type-C port of the recorder, and then plug your headphones into the controller's 3.5mm jack.
Image: A detailed view of the external remote control, labeling its buttons: Back, Menu, Up/Add value, Play/Pause, Previous song, Next song, Down/Subtract value, Volume +, and Volume -.
Controller Functions:
- Play/Pause: Start or pause playback.
- Previous/Next Song: Navigate between recordings.
- Volume +/-: Adjust playback volume.
- Menu (M): Access device settings and options.
- Back (U-turn arrow): Go back in menus.
5. Password Protection
To protect your sensitive recordings, the device supports password protection with up to 8,000 combinations. Refer to the full user manual for detailed steps on how to set and manage your password.
6. File Transfer
Easily transfer files to and from your computer (PC or Mac) or OTG-enabled devices using the provided USB-C cable. Connect the recorder to your device, and it will appear as a removable storage drive.
Image: The digital voice recorder connected via USB-C to a laptop on the left, and to a smartphone (demonstrating OTG function) on the right, illustrating file transfer capabilities.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use liquid cleaners or aerosols.
- Storage: Store the recorder 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.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery; Power switch in OFF position. | Charge the device; Slide the ON/OFF switch to ON. |
| Cannot hear playback. | No built-in speaker; Headphones not connected or faulty. | Connect the external controller and headphones; Ensure headphones are working. |
| Recordings are unclear or noisy. | Microphone obstructed; Low recording gain; High ambient noise. | Ensure microphone is clear; Adjust recording gain; Use noise reduction settings. |
| Cannot transfer files to computer. | Loose USB connection; Incorrect USB mode. | Check USB cable connection; Ensure device is in data transfer mode (if applicable). |
Specifications
- Brand: Tonfarb
- Model Number: VL23
- Memory Storage Capacity: 64 GB (built-in)
- Product Dimensions: 0.39"D x 1.18"W x 3.31"H (84.6x31.3x10mm)
- Item Weight: 1.69 ounces (48 Grams)
- Battery: 1 CR5 battery (included), 400mAh
- Battery Life: Up to 48 hours continuous use
- Recording Formats: WAV, MP3, WMA
- Recording Quality: Up to 1536kbps PCM
- Noise Reduction: 7 Levels
- Voice Activation: 7 Levels
- Hardware Interface: USB 3.0 Type C
- Microphone Form Factor: Built-In
- Headphones Jack: 3.5 millimeters (via external controller)
- Password Protection: Yes (up to 8,000 combinations)
Warranty and Support
For warranty information and technical support, please refer to the contact details provided on the product packaging or visit the official Tonfarb website. Keep your purchase receipt as proof of purchase for warranty claims.