1. Įvadas
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. Produktas baigtasview
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.
Pagrindinės funkcijos:
- 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.
- Komplekte yra nuotolinio valdymo pultas patogiam valdymui.
- Multiple EQ sound modes and mute function.
Pakuotės turinys:
- 1 x Bluetooth Decoder Board
- 1x nuotolinio valdymo pultas
- 1 x 2-pin Power Cable
- 2 x 3-pin Audio Output Cables

2.1 pav.: priekis view of the decoder board, highlighting the USB port, TF card slot, display, and control buttons.
3. Sąranka
Careful wiring is essential for the correct operation of the decoder board. Ensure all connections are secure before applying power.
3.1 Maitinimo jungtis
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 Garso išvesties jungtis
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 antenos prijungimas
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.

3.1 pav.: galinis view of the decoder board, illustrating the wiring points for power and audio output.

3.2 pav. Viršuje ir apačioje views of the decoder board, providing a comprehensive look at its internal structure and connection interfaces.
4. Naudojimo instrukcijos
The decoder board offers multiple playback modes and functions, controllable via the front panel buttons or the included remote control.
4.1 Maitinimo įjungimas/išjungimas
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 Režimo pasirinkimas
Paspauskite REŽIMAS 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 kortelių atkūrimas
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).
4.4 „Bluetooth“ režimas
- Switch the decoder board to Bluetooth mode using the REŽIMAS 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 radijo režimas
- Switch the decoder board to FM mode.
- Automatinis nuskaitymas: Paspauskite ir palaikykite PALEISTI / PAUZĖ 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.
- Changing Stations: Trumpai paspauskite PALEISTI / PAUZĖ button to cycle through saved presets. Use the VOL+ or VOL- buttons (short press) to manually tune up or down frequencies.
4.6 Skambinimas laisvų rankų įranga
When a call is received in Bluetooth mode, the music will pause. Press the PALEISTI / PAUZĖ 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 Garsumo valdymas
Paspauskite ir palaikykite VOL+ or VOL- buttons on the front panel or remote control to adjust the volume level.
4.8 Nuotolinio valdymo pulto funkcijos
Nuotolinio valdymo pultas suteikia patogią prieigą prie visų funkcijų. Mygtukų išdėstymą žr. nuotolinio valdymo pulto schemoje.

4.3 pav. Išsamus view of the remote control, showing various function buttons.

Figure 4.4: The remote control allows for convenient operation from a distance.
5. Priežiūra
To ensure the longevity and optimal performance of your decoder board, follow these simple maintenance guidelines:
- Valymas: Use a soft, dry cloth to clean the surface of the board. Avoid using liquid cleaners or solvents, as they may damage the components.
- Aplinka: Operate the board in a dry environment, away from excessive heat, moisture, and direct sunlight.
- Jungtys: Periodiškai patikrinkite visas laidų jungtis, kad įsitikintumėte, jog jos yra tvirtos ir be korozijos.
- Saugykla: Jei prietaisą ilgesnį laiką sandėliuosite, atjunkite jį nuo maitinimo šaltinio ir laikykite vėsioje, sausoje vietoje.
6. Problemų sprendimas
If you encounter issues with your decoder board, refer to the following common problems and solutions:
| Problema | Galima priežastis / sprendimas |
|---|---|
| No power / Board does not turn on. | Check power connections (7-12V DC or 5V Micro USB). Ensure correct polarity. Verify power source is active. |
| Nėra garso išvesties. | 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“ įrenginys negali prisijungti. | 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. |
| Nuotolinio valdymo pultas neveikia. | 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. Specifikacijos
| Funkcija | Detalė |
|---|---|
| Modelio numeris | 8541723136 |
| Prekės ženklas | Zerone |
| Panel Size (L x H x D) | 107 mm x 25 mm x 38 mm |
| Montavimo angų atstumas | 92 mm |
| Ekrano dydis | 45 mm x 8 mm |
| Veiklos ttage | DC 7V-12V, 5V/Micro USB |
| Veikimo srovė | 800mA-1A |
| Ryšio technologijos | Aux, Bluetooth, USB |
| Ypatingos savybės | Bluetooth FM Transmitter, Hands-Free Calls |
| Palaikomi garso formatai | APE, FLAC, WAV, WMA, MP3 |
| Prekės svoris | 1.44 uncijos (apie 40 g) |
8. Garantija ir palaikymas
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.
Aplankykite Zerone Store Norėdami gauti daugiau informacijos.