1. はじめに
This manual provides detailed instructions for the installation, operation, and maintenance of your Zerone Bluetooth MP3 WMA Decoder Board. Please read this manual thoroughly before using the product to ensure proper function and longevity.
2.製品オーバーview
The Zerone Bluetooth MP3 WMA Decoder Board is a versatile audio module designed to add modern connectivity to existing audio systems. It supports music playback from USB drives, TF cards, and Bluetooth-enabled devices. Additionally, it features an FM radio tuner and hands-free calling capabilities.
主な特徴:
- Bluetooth hands-free call support.
- Compatible with APE, FLAC, WAV, WMA, and MP3 lossless audio formats.
- Supports USB disk, TF card, Bluetooth, and FM radio modes.
- Power-off memory function retains last settings.
- Blue backlight display for clear visibility.
- 便利な操作のためのリモコンが付属しています。
- Multiple EQ sound modes and mute function.
パッケージ内容:
- 1 x Bluetooth Decoder Board
- リモコン x 1
- 1 x 2-pin Power Cable
- 2 x 3-pin Audio Output Cables
図2.1: 前面 view of the decoder board, highlighting the USB port, TF card slot, display, and control buttons.
3. セットアップ
Careful wiring is essential for the correct operation of the decoder board. Ensure all connections are secure before applying power.
3.1電源接続
The decoder board can be powered via two methods:
- DC 7V-12V： Use the provided 2-pin power cable to connect to a DC power source within this voltage range. Observe polarity (red for positive, black for negative).
- 5V Micro USB: Alternatively, power the board using a 5V Micro USB cable connected to the Micro USB port.
The operating current required is 800mA-1A.
3.2 オーディオ出力接続
Use the provided 3-pin cables to connect the audio output of the decoder board to your amplifier or active speakers. These cables typically provide left, right, and ground audio signals.
3.3 FMアンテナ接続
For optimal FM radio reception, connect an external antenna wire to the designated FM ANT hole located on the bottom back of the board. A simple wire can significantly improve signal strength.
図3.1：背面 view of the decoder board, illustrating the wiring points for power and audio output.
図3.2: 上部と下部 views of the decoder board, providing a comprehensive look at its internal structure and connection interfaces.
4. 操作手順
The decoder board offers multiple playback modes and functions, controllable via the front panel buttons or the included remote control.
4.1 電源オン/オフ
Connect the power supply. The board will automatically power on. To power off, use the power button on the remote control. If power is disconnected, the board will power on automatically when reconnected.
4.2 モード選択
を押す モード button on the front panel or remote control to cycle through available modes: USB, TF, Bluetooth, and FM.
Figure 4.1: Illustration of the various input modes supported by the decoder board.
4.3 USB/TFカード再生
Insert a USB flash drive into the USB port or a TF card into the TF card slot. The board will automatically switch to the respective mode and begin playing supported audio files (APE, FLAC, WAV, WMA, MP3).
4.4Bluetoothモード
- Switch the decoder board to Bluetooth mode using the モード button. The display will indicate Bluetooth mode.
- On your mobile device, search for Bluetooth devices and select the one corresponding to the decoder board (e.g., "Bluetooth Speakers").
- Once paired, you can play audio from your device through the decoder board.
4.5 FMラジオモード
- Switch the decoder board to FM mode.
- 自動スキャン: を押し続けます 再生/一時停止 button to initiate an automatic scan for FM stations. The board will scan and save available stations as presets. Ensure an FM antenna is connected for best results.
- 更衣室: を短く押す 再生/一時停止 button to cycle through saved presets. Use the 巻+ or vol- buttons (short press) to manually tune up or down frequencies.
4.6 ハンズフリー通話
When a call is received in Bluetooth mode, the music will pause. Press the 再生/一時停止 button to answer the call. Press it again to end the call. The integrated microphone allows for hands-free communication.
Figure 4.2: The decoder board supports hands-free calls when connected via Bluetooth.
4.7 ボリュームコントロール
を押し続けます 巻+ or vol- buttons on the front panel or remote control to adjust the volume level.
4.8リモコン機能
The remote control provides convenient access to all functions. Refer to the remote control diagram for button layout.
図4.3：詳細 view of the remote control, showing various function buttons.
図 4.4: リモート コントロールを使用すると、遠くからでも簡単に操作できます。
5. メンテナンス
To ensure the longevity and optimal performance of your decoder board, follow these simple maintenance guidelines:
- クリーニング： Use a soft, dry cloth to clean the surface of the board. Avoid using liquid cleaners or solvents, as they may damage the components.
- 環境： Operate the board in a dry environment, away from excessive heat, moisture, and direct sunlight.
- 接続: すべての配線接続が安全で腐食がないことを定期的に確認してください。
- ストレージ： デバイスを長期間保管する場合は、電源から外し、涼しく乾燥した場所に保管してください。
6。 トラブルシューティング
If you encounter issues with your decoder board, refer to the following common problems and solutions:
| 問題 | 考えられる原因 / 解決策 |
|---|---|
| 電源なし/ボードがオンになりません。 | Check power connections (7-12V DC or 5V Micro USB). Ensure correct polarity. Verify power source is active. |
| 音声出力なし。 | Ensure audio output cables are correctly connected to an amplifier or active speakers. Check volume levels on both the board and the connected audio system. Verify the correct mode is selected (USB, TF, Bluetooth, FM). |
| Bluetoothデバイスを接続できません。 | Ensure the board is in Bluetooth mode. Make sure your device's Bluetooth is enabled and discoverable. Try restarting both the board and your Bluetooth device. |
| Poor FM radio reception / Cannot find stations. | Connect an external antenna wire to the FM ANT hole. Perform an automatic scan to save stations. Ensure you are in an area with good FM signal coverage. |
| Board does not remember last FM station. | After connecting an FM antenna, perform a full automatic scan and allow it to complete. The board will then remember the last station if it is one of the saved presets. Note that disconnecting power may reset to Bluetooth mode. |
| Display color is red, not blue as expected. | While product descriptions may indicate a blue backlight, some units may feature a red display. This is a cosmetic variation and does not affect functionality. |
| リモコンが機能しない。 | Check the battery in the remote control. Ensure there are no obstructions between the remote and the board's IR receiver. |
| EQ button on remote has no effect. | Some EQ functions may be mode-specific or require specific audio sources. Verify if it works in different playback modes. |
7. 仕様
| 特徴 | 詳細 |
|---|---|
| モデル番号 | 8541723136 |
| ブランド | ゼロネ |
| Panel Size (L x H x D) | 107mm x 25mm x 38mm |
| 取付穴間隔 | 92mm |
| 画面サイズ | 45mm×8mm |
| 営業巻tage | DC 7V-12V, 5V/Micro USB |
| 動作電流 | 800mA-1A |
| 接続技術 | 補助、Bluetooth、USB |
| 特集 | Bluetooth FM Transmitter, Hands-Free Calls |
| サポートされているオーディオ形式 | APE, FLAC, WAV, WMA, MP3 |
| アイテム重量 | 1.44オンス（約40g） |
8. 保証とサポート
For product support, technical assistance, or inquiries regarding your Zerone Bluetooth MP3 WMA Decoder Board, please refer to the official Zerone brand store or contact your retailer. Specific warranty details may vary by region and retailer.
訪問する Zerone Store 詳細についてはこちらをご覧ください。