1. Introdução
This manual provides detailed instructions for the installation, operation, and maintenance of your Alpine UTE-73BT Digital Media Receiver. Please read this manual thoroughly before using the unit to ensure proper operation and to maximize your listening experience. The UTE-73BT is designed to provide high-quality audio playback and versatile connectivity options for your vehicle.
Os principais recursos incluem:
- Integrated Advanced Bluetooth for wireless audio streaming and hands-free calling.
- Front USB port compatible with FLAC, MP3, and WMA audio files.
- Front Auxiliary Input for connecting external audio devices.
- Variable color illumination for display and button customization.
- 3-band parametric equalizer and 24-bit Digital-to-Analog Converter for enhanced sound control.
- Triple Pre-amp Output (4V) for connecting external amplificadores.
2. Configuração e instalação
2.1 Desembalagem e verificação dos componentes
Carefully unpack the unit and verify that all components are present. The package should include the main receiver unit, wiring harness, remote control, external microphone, and mounting hardware.

Image: Contents of the Alpine UTE-73BT package, showing the main unit, remote control, wiring harness, microphone, and mounting accessories.
2.2 Montagem da Unidade
The UTE-73BT is a single-DIN unit. Ensure adequate space in your vehicle's dashboard for proper installation. Secure the unit using the supplied mounting sleeve and screws. Refer to your vehicle's specific installation guide for dashboard disassembly and reassembly.
2.3 Conexões de Fiação
Before making any connections, disconnect the vehicle's negative battery terminal to prevent short circuits. Connect the wiring harness according to the diagram provided in the separate installation guide. Ensure all connections are secure and properly insulated.

Image: Rear panel of the Alpine UTE-73BT, highlighting the RCA pre-outputs, microphone input, and the main wiring harness connection point.

Image: The Alpine UTE-73BT's rear panel with the multi-pin wiring harness connected, illustrating the various color-coded wires for electrical and speaker connections.
Conexões principais:
- Energia (Amarelo): Conecte a uma fonte de alimentação constante de 12V.
- Acessório (Vermelho): Conecte a uma fonte de alimentação de 12V comutável.
- Terra (Preto): Conecte a um ponto de aterramento limpo do chassi.
- Fios de alto-falante: Connect to your vehicle's speakers (e.g., White/White-Black for Front Left, Gray/Gray-Black for Front Right, Green/Green-Black for Rear Left, Purple/Purple-Black for Rear Right).
- Acionamento remoto (azul/branco): Para Externo ampAmplificadores ou antenas de potência.
- Pré-amp Outputs (RCA): Conecte-se a um externo ampAmplificadores para os canais frontais, traseiros e de subwoofer.
- Entrada de microfone: Conecte o microfone externo fornecido para chamadas em modo mãos-livres.
3. Instruções de operação
3.1 Controles Básicos
The front panel of the UTE-73BT features intuitive controls for easy operation.

Image: Front panel of the Alpine UTE-73BT, illustrating the display, rotary volume knob, source selection button, audio/setup button, and various playback controls.
- Botão de potência/volume: Press to turn the unit ON/OFF. Rotate to adjust volume.
- Botão FONTE: Press to cycle through available audio sources (Tuner, USB, Bluetooth Audio, AUX).
- AUDIO/SETUP Button: Press to access audio settings (EQ, Bass, Treble, Balance, Fader) or hold to enter the main setup menu.
- BAND/ARC SEARCH Button: In tuner mode, press to change radio bands.
- Playback Controls (Skip/Fast Forward/Rewind): Used for track navigation in USB or Bluetooth Audio modes.
3.2 Operação Bluetooth
The UTE-73BT features built-in Bluetooth for hands-free calling and audio streaming.
- Emparelhamento: Enable Bluetooth on your mobile device and search for 'Alpine UTE-73BT'. Select it to pair. A passcode (usually '0000') may be required.
- Chamadas com viva-voz: When a call comes in, the unit will display the caller ID. Press the phone button to answer, or hold to reject.
- Streaming de áudio: Select Bluetooth Audio as the source. Play music from your paired device, and control playback (play/pause, skip) from the receiver or your device.
Reprodução USB 3.3
Connect a USB storage device to the front USB port to play digital audio files.
- Formatos suportados: MP3, WMA, and FLAC.
- File Sistema: Ensure your USB device is formatted to FAT32 for optimal compatibility.
- Navegação: Use the rotary knob and playback controls to browse folders and select tracks.
3.4 Entradas Auxiliares
Connect portable audio players to the front 3.5mm auxiliary input jack using a stereo mini-jack cable.
3.5 Rádio (AM/FM)
Select the Tuner source to listen to AM/FM radio.
- Tuning: Use the skip buttons to seek for stations.
- Predefinições: Salve suas estações favoritas usando os botões numerados de predefinição.
3.6 Pandora Playback
The UTE-73BT supports Pandora playback when connected to a compatible iPhone or Android device.
- Connect your smartphone via USB or Bluetooth.
- Select Pandora as the source.
- Control Pandora functions (thumbs up/down, station selection) directly from the receiver.
3.7 Configurações de áudio
Access the AUDIO menu to customize your sound experience.
- Equalizer: Adjust the 3-band parametric equalizer to fine-tune bass, mid, and treble frequencies.
- Low-Pass/High-Pass Filters: Optimize speaker performance by filtering out unwanted frequencies.
- Nível do subwoofer: Adjust the output level of the subwoofer pre-out.
- Iluminação de cor variável: Customize the display and button illumination color to match your vehicle's interior or personal preference.
4. Manutenção
To ensure long-lasting performance and appearance of your Alpine UTE-73BT, follow these maintenance guidelines:
- Limpeza da unidade: Use um pano macio e seco para limpar o painel frontal. Para sujeira persistente, dampMolhe o pano com água. Evite usar produtos químicos agressivos, produtos de limpeza abrasivos ou solventes, pois podem danificar o acabamento.
- Porta USB: Keep the USB port free from dust and debris. Avoid inserting foreign objects.
- Cuidados Gerais: Do not expose the unit to extreme temperatures, direct sunlight for extended periods, or excessive moisture.
5. Solução De Problemas
If you encounter issues with your UTE-73BT, refer to the following common problems and solutions:
- Sem energia:
Possível causa: Blown fuse, incorrect wiring, or loose connection.
Solução: Check the vehicle's fuse box and the unit's inline fuse. Verify all power and ground connections are secure. - Sem som:
Possível causa: Incorrect speaker wiring, volume too low, mute function active, or incorrect source selected.
Solução: Check speaker connections. Increase volume. Ensure the unit is not muted. Select the correct audio source. - Falha no emparelhamento Bluetooth:
Possível causa: Bluetooth on device is off, unit is not in pairing mode, or interference.
Solução: Ensure Bluetooth is enabled on your phone. Put the UTE-73BT into pairing mode. Move closer to the unit. Try deleting previous pairings on both devices and re-pairing. - Dispositivo USB não reconhecido:
Possível causa: Não suportado file system, unsupported audio format, or damaged USB device.
Solução: Ensure the USB device is formatted to FAT32. Verify audio files are MP3, WMA, or FLAC. Try a different USB device. - Unit Malfunctions/Freezes:
Possível causa: Falha no software.
Solução: Locate the reset button (usually a small pinhole) on the front panel and press it with a thin object (e.g., a pen tip). This will restore factory settings.
6. Especificações
| Recurso | Especificação |
|---|---|
| Número do modelo | UTE-73BT |
| Tecnologia de Conectividade | Bluetooth, USB |
| Tipo de controlador | Botão mecânico |
| Dispositivos compatíveis | Smartphone, Tablet, USB Device, Bluetooth Device, Auxiliary Device |
| Tipo de conector | Jack de 3.5 mm, USB |
| Modo de saída de áudio | Estéreo, Surround |
| Configuração do canal de som surround | 5.1 |
| Potência de saída (RMS) | 18 watts RMS x 4 channels (Built-in MOSFET ampmais vivo) |
| Potência de saída (pico) | 50 watts x 4 canais |
| Pré-amp Saídas | 6-channel (2-volt Front, Rear, Subwoofer) |
| Serviços de Internet suportados | Internet Radio, Pandora |
| Formatos de áudio | MP3, WMA, FLAC |
| Características especiais | Equalizer, Variable Color Illumination, 24-Bit Digital-to-Analog Converter |
| Método de controle | Remoto |
| Cor | Preto |
7. Informações de garantia
This Alpine UTE-73BT Digital Media Receiver is covered by a manufacturer's limited warranty. The duration and terms of the warranty may vary by region and retailer. Please retain your proof of purchase for warranty claims. For specific details regarding your warranty coverage, refer to the warranty card included with your product or visit the official Alpine website.
8. Suporte e Contato
For further assistance, technical support, or service inquiries regarding your Alpine UTE-73BT, please contact Alpine customer support. You can typically find contact information, FAQs, and additional resources on the official Alpine website.
Recursos on-line: Visit the Alpine official website for product updates, FAQs, and support documentation.
Atendimento ao Cliente: Refer to the contact information provided in your product packaging or on the Alpine webSite para suporte direto ao cliente.