Manual d'usuari del mesclador d'àudio de 4 canals ARVOMIC (ARMX-4)

1. Introducció

Thank you for choosing the ARVOMIC 4-Channel Audio Mixer (ARMX-4). This professional mixing console is designed to provide high-quality audio processing for various applications, including small stages, home studios, gigs, and DJ parties. It features a compact design, robust construction, and a comprehensive set of functions to meet your audio mixing needs. Please read this manual thoroughly before operating the device to ensure proper use and to maximize its performance and longevity.

2. Informació de seguretat

Per evitar descàrregues elèctriques, incendis o danys a la unitat, observeu les següents precaucions de seguretat:

• No exposeu aquesta unitat a la pluja o la humitat.
• No traieu la coberta. A l'interior no hi ha peces que puguin ser reparades per l'usuari. Demaneu tot el servei a personal qualificat.
• Assegureu-vos que la font d'alimentació voltage matches the requirements specified on the unit.
• Eviteu que el cable d'alimentació sigui trepitjat o pessigat, especialment als endolls, els endolls i el punt on surten de l'aparell.
• Desendolleu la unitat durant les tempestes llamps o quan no l'utilitzeu durant llargs períodes.
• Eviteu col·locar la unitat a prop de fonts de calor com ara radiadors, registres de calor, estufes o altres aparells (inclosos amplificadors) que produeixen calor.
• No bloquegeu cap obertura de ventilació. Instal·leu-ho d'acord amb les instruccions del fabricant.

3. Contingut del paquet

Please check that all items are included in the package:

• ARVOMIC 4-Channel Audio Mixer (ARMX-4)
• Adaptador d'alimentació
• Manual d'usuari (aquest document)

Si falta algun article o està malmès, poseu-vos en contacte amb el vostre distribuïdor.

4. Característiques del producte

• Consola de mescles de 4 canals: Compact design with professional mixing capabilities.
• Baix soroll Preamps: Professional and discrete mic preamps with 2 mono XLR and 1/4" LINE connected jacks, plus stereo input jacks.
• Alimentació fantasma +48V: Enables safe charging and use of condenser microphones.
• EQ de 3 bandes: Musical 3-band equalizer on each channel for detailed sound character adjustment.
• 16 DSP Digital Effects: Built-in effects for dynamic and personalized mixes.
• USB/Flash/MP3 Reader: Allows streaming music and recording to a USB stick or computer.
• Funcionalitat Bluetooth: Wirelessly stream music from smartphones and other devices. (Note: USB and Bluetooth functions cannot be used simultaneously.)
• FX Output Jack: Connect external compressors, equalizers, or processors for additional audio processing.
• Precise Level Control: Well-designed faders and knobs for accurate level/volume adjustments.
• Construcció sòlida: Elegant design with a white control board and durable metal construction.

5. Controls i Funcions

Familiarize yourself with the various controls and connections on your ARMX-4 mixer.

Figura 5.1: Panell frontalview of the ARMX-4 Mixer with key controls labeled.

5.1 Input Channels (Channels 1-4)

• MIC / LINE Input (XLR/1/4" Combo Jack): Connect microphones (XLR) or line-level instruments (1/4" TS/TRS). Channels 1 and 2 feature combo jacks. Channels 3/4 are stereo 1/4" LINE inputs.
• PAD Button (26dB): Attenuates the input signal by 26dB for very loud sources.
• HPF Button (80Hz): Activates a High-Pass Filter at 80Hz to reduce unwanted low-frequency rumble.
• Mando GAIN: Adjusts the input sensitivity for each channel. Set this to achieve a strong signal without clipping.
• 3-Band EQ (HIGH, MID, LOW):
  • ALTA: Adjusts treble frequencies (10kHz).
  • MITJÀ: Adjusts mid-range frequencies (2.5kHz).
  • BAIX: Adjusts bass frequencies (100Hz).
• FX Knob: Controls the amount of signal sent from the channel to the internal DSP effects processor.
• LED PIC: Illuminates when the input signal is too high, indicating potential clipping. Adjust GAIN down if this LED lights up frequently.
• Control de nivell: Adjusts the overall output level of the individual channel to the main mix.

5.2 Master Section

• FX SEND Jack: Output for sending signal to an external effects processor.
• TELÈFONS Jack: 1/4" stereo output for connecting headphones.
• STEREO OUT (L/R) Jacks: XLR outputs for connecting to a power ampamplificador, altaveus autoamplificats o dispositiu de gravació.
• USB TO PC / Bluetooth Interface: Allows connection to a computer for audio interface functionality or wireless Bluetooth streaming.
• Pantalla digital: Shows current DSP effect number or USB/Bluetooth status.
• PREV/NEXT/P/P/MODE Buttons: Control USB/Bluetooth playback and DSP effect selection.
• 16 DSP Effects Knob (PROGRAM): Selects one of the 16 built-in digital effects.
• PARAMETER Knob: Adjusts a specific parameter of the selected DSP effect (e.g., delay time, reverb decay).
• MAIN METERS (LED): Displays the main stereo output level. Aim for levels around 0dB to avoid clipping.
• PHANTOM (+48V) Button: Activates phantom power for condenser microphones connected to XLR inputs.
• MAIN Fader: Controla el volum de sortida general de la mescla estèreo principal.
• PHONES Level Knob: Ajusta el volum de la sortida dels auriculars.
• STEREO Fader: Controls the level of the USB/Bluetooth/MP3 input.

6. Guia de configuració

Follow these steps to set up your ARMX-4 mixer:

1. Col·locació: Place the mixer on a stable, flat surface, ensuring adequate ventilation around the unit.
2. Connexió d'alimentació: Ensure the mixer's power switch is OFF. Connect the provided power adapter to the DC IN jack on the rear panel of the mixer, then plug the adapter into a suitable AC power outlet.
3. Connexions de sortida: Connect the STEREO OUT (L/R) XLR jacks to your power ampamplificador, altaveus autoamplificats o interfície de gravació.
4. Connexions d'entrada:
   • Micròfons: Connect microphones to the MIC/LINE XLR inputs (Channels 1-2). If using condenser microphones, activate the +48V PHANTOM power.
   • Line-Level Instruments: Connect instruments like keyboards or guitars (with a DI box) to the 1/4" LINE inputs.
   • Stereo Sources: Connect stereo devices (e.g., CD player, external audio interface) to the 1/4" LINE inputs of Channel 3/4.
5. Auriculars: Connect your headphones to the PHONES jack for monitoring.
6. Configuració inicial: Before powering on, ensure all GAIN knobs are at their minimum, and all LEVEL faders/knobs (including MAIN and PHONES) are at their minimum.
7. Encès: Turn on the mixer's power switch. Then, turn on your connected amplifier o altaveus alimentats.

7. Instruccions de funcionament

7.1 Basic Mixing

1. Set Input Gain: While the source is playing (e.g., speaking into a microphone), slowly increase the GAIN knob for that channel until the PEAK LED flashes only occasionally. This ensures a strong signal without distortion.
2. Ajusta el nivell del canal: Slowly raise the channel's LEVEL knob to bring the sound into the main mix.
3. Adjust Main Output: Gradually raise the MAIN fader to achieve the desired overall volume from your speakers. Monitor the MAIN METERS to ensure levels stay below clipping (0dB).
4. Utilitza l'equalitzador: Adjust the HIGH, MID, and LOW EQ knobs on each channel to shape the tone of the sound.
5. Monitor with Headphones: Adjust the PHONES Level knob to set your headphone volume.

7.2 DSP Effects

Figure 7.1: Close-up of the DSP Effects section, showing the program display and control knobs.

The ARMX-4 features 16 built-in DSP effects:

1. Select Effect: Turn the PROGRAM knob to cycle through the 16 effects. The selected effect number will be shown on the digital display.
2. Adjust Effect Parameter: Use the PARAMETER knob to fine-tune the selected effect. For example, on a delay effect, this might adjust the delay time.
3. Apply to Channels: Use the FX knob on each individual channel to send a portion of that channel's signal to the DSP effects processor.
4. Adjust Overall FX Level: The overall level of the effects return is controlled by the dedicated FX return level (often integrated with the main stereo fader or a separate knob, depending on the specific model variant).

7.3 USB & Bluetooth Functionality

Figure 7.2: The USB and Bluetooth interface, showing connectivity options and controls.

The mixer supports USB/flash drive playback/recording and Bluetooth streaming. Note: USB and Bluetooth functions cannot be used simultaneously.

• Reproducció/enregistrament USB: Insert a USB flash drive into the USB port. Use the PREV/NEXT/P/P/MODE buttons to navigate and control playback. The mixer can also record directly to the USB drive. When connected to a PC via USB, the mixer acts as an audio interface for recording and playback.
• Transmissió Bluetooth: Press the MODE button until the display shows "BLUE" or a Bluetooth icon. On your smartphone or Bluetooth-enabled device, search for "ARMX-4" (or similar name) and pair. Once connected, you can stream audio wirelessly to the mixer. Use the built-in controls (PREV/NEXT/P/P) to play/pause/skip tracks.
• Adjust USB/Bluetooth Level: Use the STEREO fader/knob to control the volume of the USB/Bluetooth input in the main mix.

8. Manteniment

• Neteja: Use a soft, dry cloth to clean the exterior of the mixer. Do not use liquid cleaners or aerosols, as they may damage the finish or internal components.
• Emmagatzematge: When not in use, store the mixer in a cool, dry place away from direct sunlight and extreme temperatures.
• Ventilació: Assegureu-vos que les obertures de ventilació no estiguin bloquejades per evitar el sobreescalfament.
• Gestió de cables: Avoid bending or crimping cables excessively, especially the power cord.

9. Solució De Problemes

10. Especificacions

Figure 10.1: Dimensions of the ARMX-4 Mixer (approx. 19.2 cm x 16.3 cm x 4.5 cm).

11. Garantia i Suport

This product is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact your retailer. For technical support, troubleshooting assistance, or inquiries about replacement parts, please contact the customer service department of your retailer or the manufacturer directly.