FONESTAR PROX-30 PA Amplifier with USB/MP3/FM Player User Manual

1. Introduzione

The FONESTAR PROX-30 is a public address (PA) amplifier designed for sound installations using 100V line or low impedance speakers. This versatile unit integrates an amplifier, mixer, USB/MP3 player, and FM radio, along with multiple microphone and auxiliary inputs. Its compact design and intuitive controls make it suitable for various commercial and educational environments. This manual provides essential information for the safe installation, operation, and maintenance of your PROX-30 amppiù vivace.

2. Istruzioni di sicurezza

• Alimentazione elettrica: Assicurare il amplifier is connected to a power source matching the voltage specified on the unit (230V AC or 115V AC).
• Ventilazione: Non ostruire le aperture di ventilazione. Garantire un adeguato flusso d'aria attorno all'unità per evitare il surriscaldamento.
• Umidità: Mantieni il ampTenere il lificatore lontano da acqua, pioggia e umidità eccessiva. Non utilizzare con le mani bagnate.
• Pulizia: Disconnect the power before cleaning. Use a dry cloth; do not use liquid cleaners or aerosols.
• Manutenzione: Per qualsiasi intervento di assistenza, rivolgersi a personale qualificato. Non tentare di aprire o riparare l'unità da soli.
• Sovraccarico: Evitare di sovraccaricare il amplifier. Ensure speaker impedance and power ratings are compatible with the ampl'output di lifier.

3. Caratteristiche del prodotto

• 30 W RMS output power.
• Integrated USB/MP3 player and FM radio.
• Microphone input with mix control, gain adjustment, and priority level.
• Tone controls for Bass and Treble.
• Multiple output options: 100V line and 4 Ohm low impedance.
• 100V line input with priority and mute function for emergency announcements.
• Secure and easy-to-connect Euroblock connectors.
• Compact and discreet design suitable for desktop use.

4. Controlli e collegamenti

4.1 Pannello frontale

Figura 1: Davanti view of the FONESTAR PROX-30 PA Amplifier, showing the power button, USB port, media controls, microphone volume knobs, input volume knob, input selector, and status indicators.

• Pulsante di accensione: Turns the unit on or off. Illuminated when active.
• Porta USB: For connecting USB drives to play MP3 files.
• Controlli multimediali: Buttons for Play/Pause, Stop, Previous Track, Next Track, Mode selection (USB/MP3/FM).
• MIC 1 / MIC 2 Volume: Adjusts the volume level for Microphone 1 and Microphone 2 inputs.
• INPUT VOL: Master volume control for selected audio input.
• Selettore INGRESSO: Switches between AUX 1, AUX 2, and FM/MP3 inputs.
• Indicatori di stato:
  • PROT (Protezione): Si illumina se il amplifier is in protection mode (e.g., due to overload or short circuit).
  • CLIP: Illuminates when the output signal is clipping, indicating distortion. Reduce input or master volume.
  • SEGNALE: Si illumina quando è presente un segnale audio.

4.2 Pannello posteriore

Figura 2: Posteriore view of the FONESTAR PROX-30 PA Amplifier, showing various input/output connections, gain controls, tone controls, and power input.

• AUX 2 (RCA): Stereo RCA input for auxiliary audio sources.
• AUX 1 (RCA): Stereo RCA input for auxiliary audio sources.
• MIC 1 / MIC 2 (Euroblock): Balanced microphone inputs with Euroblock connectors.
• GAIN (MIC 1 / MIC 2): Adjusts the input sensitivity for Microphone 1 and Microphone 2.
• VOX (MIC 1 / MIC 2): Voice-activated priority switch. When enabled, microphone input will automatically lower other audio sources.
• BASSI / ALTI: Tone controls for adjusting the low and high frequencies of the audio output.
• ANT FM: F-type connector for connecting an FM antenna.
• EMERG. INPUT (100V LINE): Euroblock input for emergency audio signals, with priority over other inputs.
• MUTE REMOTA: Euroblock connection for remote muting functionality.
• SPEAKER OUTPUT (30W RMS):
  • 4Ohm: Low impedance output for connecting 4 Ohm speakers.
  • COMUNICAZIONE: Common terminal for speaker connections.
  • 100V: High impedance output for connecting 100V line speakers.
• SELEZIONE CA: Voltage selector switch (230V or 115V). Ensure this matches your local power supply before connecting.
• CONSUMO ENERGETICO: Indicates the maximum power draw (100W).
• INGRESSO AC: IEC power input for the main power cable. Includes fuse holder.

5. Impostazione

5.1 Disimballaggio e posizionamento

• Rimuovere con attenzione il file amplifier dal suo imballaggio.
• Posizionare l'unità su una superficie stabile e piana.
• Ensure there is sufficient space around the unit for proper ventilation. Avoid placing it near heat sources or in direct sunlight.

5.2 Collegamento di alimentazione

• Before connecting, verify the SELEZIONE AC switch on the rear panel matches your local mains voltage (230V o 115V).
• Collegare il cavo di alimentazione in dotazione al INGRESSO AC on the rear panel and then to a suitable wall outlet.

5.3 Collegamenti degli altoparlanti

The PROX-30 offers both 100V line and 4 Ohm low impedance outputs. Do not connect speakers to both outputs simultaneously.

• For 100V Line Speakers: Connect the positive (+) terminal of your 100V speakers to the 100V terminal and the negative (-) terminal to the COM terminal using Euroblock connectors. Ensure the total power of all connected speakers does not exceed 30W.
• Per altoparlanti da 4 Ohm: Connect the positive (+) terminal of your 4 Ohm speaker(s) to the 4 Ohm terminal and the negative (-) terminal to the COM terminal using Euroblock connectors. Ensure the total impedance of connected speakers is 4 Ohms.

5.4 Collegamenti di ingresso

• Microfoni: Collegare i microfoni al MICROFONO 1 or MICROFONO 2 Euroblock inputs. Adjust the GUADAGNO E VOX switches on the rear panel as needed.
• Dispositivi ausiliari: Connect audio sources like CD players, media players, or computers to the AUSILIARIO 1 or AUSILIARIO 2 Ingressi RCA.
• Antenna FM: Collegare un'antenna FM al FM ANT connector for radio reception.
• Emergency Input: For emergency systems, connect the 100V line emergency signal to the EMERG. INPUT Euroblock.

6. Istruzioni per l'uso

6.1 Accensione/Spegnimento

Premere il tasto Pulsante di accensione sul pannello frontale per accendere il amplifier on. The button will illuminate. Press it again to turn the unit off.

6.2 Using the USB/MP3 Player

• Inserisci un'unità USB contenente MP3 files nel Porta USB.
• Utilizzare il MODALITÀ button to select the USB/MP3 input.
• Use the Play/Pause, Stop, Previous Track, and Next Track buttons to control playback.
• Regolare il VOL INGRESSO knob to control the output volume.

6.3 Utilizzo della radio FM

• Assicurarsi che un'antenna FM sia collegata al FM ANT porta.
• Utilizzare il MODALITÀ button to select the FM radio input.
• Use the Previous/Next Track buttons to scan for radio stations.
• Regolare il VOL INGRESSO knob to control the output volume.

6.4 Funzionamento del microfono

• Connect your microphone(s) to MICROFONO 1 or MICROFONO 2 input.
• Regolare la corrispondente MIC 1 / MIC 2 Volume knobs on the front panel to set the microphone level.
• Utilizzare il GUADAGNO controls on the rear panel to fine-tune the microphone input sensitivity.
• If priority is desired, set the VOX switch to ON for the respective microphone. This will automatically lower other audio sources when the microphone is in use.

6.5 Funzionamento dell'ingresso ausiliario

• Connect your auxiliary audio source to AUSILIARIO 1 or AUSILIARIO 2.
• Utilizzare il Selettore INGRESSO button on the front panel to choose the desired AUX input.
• Regolare il VOL INGRESSO knob to control the output volume.

6.6 Controlli di tono

Utilizzare il BASS E ALTI knobs on the rear panel to adjust the low and high frequency response of the overall audio output to suit your preferences or room acoustics.

7. Manutenzione

• Pulizia: Regularly wipe the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents.
• Ventilazione: Assicurarsi che le griglie di ventilazione siano libere da polvere e detriti.
• Sostituzione fusibile: If the unit does not power on, check the fuse located in the AC inlet. Replace it only with a fuse of the same type and rating (T2A).

8. Risoluzione Dei Problemi

• Nessun potere:
  • Controllare che il cavo di alimentazione sia collegato saldamente.
  • Verificare il SELEZIONE AC switch matches your mains voltage.
  • Check the fuse in the AC inlet.
• Nessuna uscita audio:
  • Ensure speakers are correctly connected to the appropriate output (100V or 4 Ohm).
  • Check all volume controls (MIC, INPUT VOL) are turned up.
  • Verify the correct input source is selected (AUX 1, AUX 2, FM/MP3).
  • Check speaker cables for damage or short circuits.
• Suono distorto:
  • Ridurre il VOL INGRESSO or individual microphone volumes if the CLIP l'indicatore è acceso.
  • Assicurarsi che l'impedenza dell'altoparlante corrisponda a amplifier output (4 Ohm or 100V line).
  • Check input signal levels from source devices.
• Microfono non funzionante:
  • Controllare il collegamento del cavo del microfono.
  • Regolare Volume MIC E GUADAGNO controlli.
  • Ensure the microphone itself is functional.

9. Specifiche