NVX XDSP28 8-Channel Digital Signal Processor User Manual

1. Ynlieding

The NVX XDSP28 is an advanced 8-channel Digital Signal Processor (DSP) designed to enhance your car audio system. It features a 15-band parametric equalizer, adjustable high and low-pass filters, and various crossover types for precise sound customization. With 2 RCA inputs and 8 RCA outputs, built-in Bluetooth for audio streaming, and a remote level controller, the XDSP28 provides comprehensive control over your vehicle's sound environment. This manual provides detailed instructions for installation, operation, and troubleshooting to ensure optimal performance of your device.

2. Safety Information

• Lês alle ynstruksjes soarchfâldich foar ynstallaasje en gebrûk.
• Disconnect the vehicle's negative battery terminal before making any electrical connections.
• Soargje foar goede grûn om elektryske gefaren te foarkommen.
• Stel it apparaat net bleat oan focht of ekstreme temperatueren.
• Mount the unit securely to prevent movement during vehicle operation.
• Consult a professional car audio installer if you are unsure about any installation steps.

3. Package Ynhâld

Kontrolearje oft alle items yn it pakket oanwêzich binne:

• NVX XDSP28 Digital Signal Processor Unit
• Remote Level Controller with Cable
• User Manual
• Montagehardware (skroeven, ensfh.)

4. Produkt Overview

Familiarize yourself with the components and controls of the NVX XDSP28.

Figure 4.1: NVX XDSP28 Front Panel with Labeled Components

1. Remote Out Sequencer: Activates other devices in sequence through a remote connection.
2. Ynfier op ôfstân (REM IN): Draait de amplifier on automatically with the radio or player.
3. Ground Connector (GND): Connect to the battery's negative terminal.
4. Positive Power Connector (+BAT): Connect to the battery's positive terminal.
5. LCD Display: Displays information and allows interaction with the processor.
6. Main Control: A rotating knob to adjust processor system settings and navigate menus.
7. Input LED Indicator: Shows when the channel's limiter is active or output is saturated.
8. Remote Level Input: Connects the external remote level controller. Controls all eight outputs simultaneously.
9. Audio Input (Inputs A, B): Independent RCA connectors for channels A and B.
10. Audio Output (Outputs 1-8): RCA connectors for outputting processed audio.
11. Utfier LED-yndikator: Signals when the input signal is at maximum level.
12. Útfier selektearje: Quickly press to adjust output channels or hold to mute.

figuer 4.2: Top view of the NVX XDSP28 unit, showing the main control knob, LCD display, and input/output connections.

figuer 4.3: Rear view of the NVX XDSP28, highlighting the power and remote connections.

Figure 4.4: The remote level controller for the NVX XDSP28, used for simultaneous output control.

5. Opset en ynstallaasje

Juiste ynstallaasje is krúsjaal foar optimale prestaasjes. Folgje dizze stappen sekuer:

1. Montage: Select a secure, dry location in your vehicle, away from heat sources and moisture. Use the provided mounting hardware to firmly attach the DSP unit.
2. Stromferbiningen:
   • Ferbine de +BAT terminal to the vehicle's positive battery terminal (or a constant 12V source) using appropriate gauge wire and an inline fuse (not included).
   • Ferbine de GND terminal to a clean, unpainted metal surface on the vehicle chassis, ensuring a solid ground connection.
   • Ferbine de REM IN terminal to the remote turn-on output of your head unit or ignition switch.
3. Audio-ynfierferbiningen: Ferbine de RCA-útgongen fan jo haadienheid mei de Inputs A en B on the XDSP28.
4. Audio-útfierferbiningen: Ferbine de Utfier 1-8 of the XDSP28 to the RCA inputs of your amplifiers. Ensure correct channel assignment for your speaker configuration.
5. Remote Level Controller: Plug the remote level controller cable into the REMOTE port on the DSP unit. Mount the controller in an accessible location for easy adjustment.
6. Initial Power-Up: Reconnect the vehicle's negative battery terminal. The DSP should power on, and the LCD display will illuminate.

6. Operaasje

The NVX XDSP28 offers extensive control over your audio system. All settings are adjusted via the Main Control knob and the LCD display.

6.1 Menunavigaasje

• Draai de Haadbehear knob to scroll through menu options.
• Druk op de Haadbehear knob to select an option or confirm a setting.
• Druk en hâld de Haadbehear knob to exit a menu or return to the previous screen.

6.2 Equalization (EQ)

The XDSP28 features a 15-band parametric equalizer for precise frequency adjustments.

• Graphic EQ Presets: Select from 12 pre-defined graphic equalization presets such as Rock, Hip Hop, Pop, Vocal, and more.
• Parametryske EQ: Manually adjust gain, frequency, and Q-factor for each of the 15 bands on both input and output channels.

6.3 Crossover Function

Configure high-pass and low-pass filters for each output channel to optimize speaker performance.

• Adjust cut frequencies for high-pass and low-pass filters.
• Select various crossover types and filter slopes (e.g., Butterworth, Linkwitz-Riley).

6.4 Time Alignment and Phase

Achieve perfect sound staging by adjusting the delay for each output channel.

• Adjust time delays in 0.02 ms increments.
• Set phase adjustments to 0° or 180° for each output.

6.5 Independent Gain and Limiter

• Independent Gain: Adjust the gain level for each output channel individually.
• Limiter: The integrated Limiter with Dynamic Attack-Release system protects your amplifiers and speakers from over-excursion and clipping.

6.6 Audio Generator

Utilize the built-in audio tone generator for precise tuning and system diagnostics.

• Generate frequency sweeps.
• Generate pink noise for RTA (Real-Time Analyzer) measurements.

6.7 Bluetooth-ferbining

The XDSP28 features built-in Bluetooth for wireless audio streaming from your mobile device.

• Pair your device with the XDSP28 via Bluetooth settings on your phone.
• Bluetooth is for audio playback only; it does not support app-based control of DSP settings.

6.8 Remote Level Controller

The external remote level controller allows for convenient, simultaneous adjustment of all eight output levels.

7. Underhâld

• Keep the unit clean and free of dust. Use a soft, dry cloth for cleaning.
• Mije it brûken fan hurde gemikaliën of abrasive skjinmakkers.
• Ensure all connections remain secure. Periodically check wiring for any signs of wear or damage.

8. Probleemoplossing

9. Spesifikaasjes

10. Garânsje en stipe

NVX products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or contact the retailer where the product was purchased. Keep your proof of purchase for warranty claims.

For technical assistance, troubleshooting beyond this manual, or service inquiries, please contact NVX customer support or the authorized dealer. Contact information can typically be found on the manufacturer's official webwebside of fia jo winkelier.