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

1. Introducció

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 ampmés viu.

2. Instruccions de seguretat

• Font d'alimentació: Assegureu-vos el amplifier is connected to a power source matching the voltage specified on the unit (230V AC or 115V AC).
• Ventilació: No bloquegeu les obertures de ventilació. Assegureu-vos que hi hagi un flux d'aire adequat al voltant de la unitat per evitar el sobreescalfament.
• Humitat: Mantenir el amplifier away from water, rain, and excessive humidity. Do not operate with wet hands.
• Neteja: Disconnect the power before cleaning. Use a dry cloth; do not use liquid cleaners or aerosols.
• Manteniment: Demaneu totes les tasques de manteniment a personal de servei qualificat. No intenteu obrir ni reparar la unitat vosaltres mateixos.
• Sobrecàrrega: Eviteu sobrecarregar el amplifier. Ensure speaker impedance and power ratings are compatible with the ampsortida del lifier.

3. Característiques del producte

• 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. Controls i connexions

4.1 Tauler frontal

Figura 1: Davant 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.

• Botó d'encesa: Turns the unit on or off. Illuminated when active.
• Port USB: For connecting USB drives to play MP3 files.
• Controls de mitjans: 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.
• Selector d'ENTRADA: Switches between AUX 1, AUX 2, and FM/MP3 inputs.
• Indicadors d'estat:
  • PROT (Protection): S'il·lumina si el 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.
  • SENYAL: S'il·lumina quan hi ha un senyal d'àudio.

4.2 Panell posterior

Figura 2: posterior 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.
• BAIXOS / AGUTS: Tone controls for adjusting the low and high frequencies of the audio output.
• FM ANT: F-type connector for connecting an FM antenna.
• EMERG. INPUT (100V LINE): Euroblock input for emergency audio signals, with priority over other inputs.
• MUTE A DISTANCIA: Euroblock connection for remote muting functionality.
• SPEAKER OUTPUT (30W RMS):
  • 4 ohms: Low impedance output for connecting 4 Ohm speakers.
  • COM: Common terminal for speaker connections.
  • 100 V: High impedance output for connecting 100V line speakers.
• AC SELECT: Voltage selector switch (230V or 115V). Ensure this matches your local power supply before connecting.
• CONSUM D'ENERGIA: Indicates the maximum power draw (100W).
• ENTRADA CA: IEC power input for the main power cable. Includes fuse holder.

5. Configuració

5.1 Desembalatge i col·locació

• Traieu amb cura amplifier from its packaging.
• Col·loqueu la unitat sobre una superfície plana i estable.
• Ensure there is sufficient space around the unit for proper ventilation. Avoid placing it near heat sources or in direct sunlight.

5.2 Connexió d'alimentació

• Before connecting, verify the AC SELECT switch on the rear panel matches your local mains voltage (230V o 115V).
• Connecteu el cable d'alimentació subministrat al ENTRADA AC on the rear panel and then to a suitable wall outlet.

5.3 Connexions d'altaveus

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 100 V 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 a altaveus de 4 ohms: Connect the positive (+) terminal of your 4 Ohm speaker(s) to the 4 ohms terminal and the negative (-) terminal to the COM terminal using Euroblock connectors. Ensure the total impedance of connected speakers is 4 Ohms.

5.4 Connexions d'entrada

• Micròfons: Connect microphones to the MIC 1 or MIC 2 Euroblock inputs. Adjust the GUANYA i VOX switches on the rear panel as needed.
• Dispositius auxiliars: Connect audio sources like CD players, media players, or computers to the AUX 1 or AUX 2 Entrades RCA.
• Antena FM: Connect an FM antenna to the FM ANT connector for radio reception.
• Emergency Input: For emergency systems, connect the 100V line emergency signal to the EMERG. INPUT Euroblock.

6. Instruccions de funcionament

6.1 Engegada/apagada

Premeu el botó Botó d'engegada al panell frontal per engegar el amplifier on. The button will illuminate. Press it again to turn the unit off.

6.2 Using the USB/MP3 Player

• Inseriu una unitat USB que contingui MP3 files a la Port USB.
• Utilitza el MODE button to select the USB/MP3 input.
• Feu servir els botons Reproduir/Pausa, Aturar, Pista anterior i Pista següent per controlar la reproducció.
• Ajusteu el ENTRADA VOL knob to control the output volume.

6.3 Using the FM Radio

• Ensure an FM antenna is connected to the FM ANT port.
• Utilitza el MODE button to select the FM radio input.
• Use the Previous/Next Track buttons to scan for radio stations.
• Ajusteu el ENTRADA VOL knob to control the output volume.

6.4 Microphone Operation

• Connect your microphone(s) to MIC 1 or MIC 2 entrades.
• Adjust the corresponding MIC 1 / MIC 2 Volume knobs on the front panel to set the microphone level.
• Utilitza el GUANYA 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 Auxiliary Input Operation

• Connect your auxiliary audio source to AUX 1 or AUX 2.
• Utilitza el Selector d'ENTRADA button on the front panel to choose the desired AUX input.
• Ajusteu el ENTRADA VOL knob to control the output volume.

6.6 Controls de to

Utilitza el BASS i AGUTS 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. Manteniment

• Neteja: Netegeu la unitat regularment amb un drap suau i sec. No utilitzeu productes de neteja abrasius ni dissolvents.
• Ventilació: Ensure ventilation grilles remain clear of dust and debris.
• Substitució de fusibles: 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. Solució De Problemes

• Sense energia:
  • Comproveu si el cable d'alimentació està connectat correctament.
  • Verifiqueu el AC SELECT switch matches your mains voltage.
  • Check the fuse in the AC inlet.
• Sense sortida de so:
  • 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.
• So distorsionat:
  • Reduir el ENTRADA VOL or individual microphone volumes if the CLIP l'indicador està encès.
  • Assegureu-vos que la impedància de l'altaveu coincideixi amb la amplifier output (4 Ohm or 100V line).
  • Check input signal levels from source devices.
• El micròfon no funciona:
  • Check microphone cable connection.
  • Ajustar Volum MIC i GUANYA controls.
  • Ensure the microphone itself is functional.

9. Especificacions