Clarion DMZ375BK Car Audio System User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Clarion DMZ375BK car audio system. Please read this manual thoroughly before using the product to ensure correct operation and to prevent damage. Keep this manual in a safe place for future reference.

The Clarion DMZ375BK is a 2DIN car audio system featuring a Front AUX input, Radio tuner, CD player, and MD player. It boasts a 728 variable color display, diverse sound tuning options, and compatibility with MDLP, NetMD, CD-R/RW, and external devices like iPods (via CeNET interface) and Bluetooth transceivers (BLT370).

2. Safety Information

• Professional Installation: For safety and optimal performance, it is highly recommended to have this unit installed by a qualified professional.
• Power Supply: This unit is designed for a DC 14.4V negative ground electrical system. Ensure correct voltage and grounding.
• Wiring: Incorrect wiring can cause fire or damage to the unit and vehicle. Follow the wiring diagrams precisely.
• Driving Safety: Do not operate the unit in a way that distracts you from driving. Adjust volume to a safe level that allows you to hear outside traffic sounds.
• Moisture: Do not expose the unit to moisture or water to prevent electric shock or fire.

3. Product Overview

The Clarion DMZ375BK features a user-friendly interface with clearly labeled buttons and a central display. Below is an image of the unit with key controls identified.

Key Controls and Functions:

• A-M Button: Selects AM/FM bands.
• Z-Enhancer Button: Activates Z-Enhancer Plus sound enhancement modes.
• Numbered Buttons (1-6): Preset station recall for radio, track selection for CD/MD, or group/disc selection.
• AUX Input: 3.5mm jack for connecting external audio devices.
• POWER Button: Turns the unit on/off.
• PS/AS ENT Button: Program Scan/Auto Store for radio, Enter for menu selections.
• Central Rotary Knob: Adjusts volume, navigates menus.
• CD Button: Selects CD source.
• DSP Button: Activates Digital Sound Processor modes.
• DISP/ADJ Button: Adjusts display settings or enters adjustment mode.
• MD Button: Selects MD source.
• COLOR Button: Changes display illumination color (728 variable colors).
• BND Button: Band selection for radio.
• ISR Button: Instantly recalls specific broadcast stations.

4. Setup and Installation

Proper installation is crucial for the performance and longevity of your DMZ375BK unit. It is strongly recommended to have this unit installed by a professional car audio technician.

4.1. Wiring Connections

Ensure all wiring connections are secure and correctly matched to your vehicle's electrical system. Refer to the detailed wiring diagram provided with the product packaging.

• Power (Yellow): Connect to constant 12V power.
• Accessory (Red): Connect to switched 12V power.
• Ground (Black): Connect securely to a clean metal point on the vehicle chassis.
• Speaker Outputs: Connect to your vehicle's speakers, observing polarity.
• Antenna: Connect your vehicle's antenna cable.
• RCA Line Out: For connecting to external amplifiers.
• CeNET Port: For connecting compatible Clarion accessories like CD changers or the EA-1276A-A iPod interface.

Fuse Rating: The unit uses a 15A/3A fuse. Ensure the correct fuse is used for protection.

5. Basic Operations

5.1. Power On/Off

Press the POWER button to turn the unit on or off.

5.2. Volume Adjustment

Rotate the central rotary knob clockwise to increase volume and counter-clockwise to decrease volume.

5.3. Source Selection

Press the CD, MD, or A-M (Radio) buttons to switch between audio sources. To select the Front AUX input, connect a device and the unit may automatically switch, or you may need to cycle through sources.

6. CD/MD Player Operations

6.1. Loading/Ejecting Discs

• CD: Insert a CD into the CD slot with the label side up. The unit will automatically load and begin playback. Press the eject button (usually a small button near the slot) to eject the CD.
• MD: Insert a MiniDisc into the MD slot. The unit will load and begin playback. Press the eject button to eject the MD.

The DMZ375BK supports CD-R/RW discs and MDLP/NetMD formats for MiniDiscs.

6.2. Playback Controls

• Play/Pause: Typically controlled by the central rotary knob's push function or a dedicated button.
• Track Skip: Use the forward/backward arrow buttons (often located near the central knob) to skip tracks.
• Fast Forward/Rewind: Hold down the forward/backward arrow buttons.

7. Radio Operations

7.1. Band Selection

Press the A-M or BND button to cycle through FM1, FM2, FM3, and AM bands.

7.2. Tuning

• Manual Tuning: Use the arrow buttons to manually tune to a desired frequency.
• Seek Tuning: Hold down the arrow buttons to automatically seek the next strong station.

7.3. Preset Stations

• Storing Presets: Tune to a desired station, then press and hold one of the numbered buttons (1-6) until you hear a beep or see a confirmation on the display.
• Recalling Presets: Briefly press one of the numbered buttons (1-6) to recall a stored station.
• ISR Function: Use the ISR button to instantly recall specific broadcast stations that have been pre-programmed.
• PS/AS (Program Scan/Auto Store): Press PS/AS ENT to scan through preset stations or automatically store strong stations.

8. AUX/External Device Operations

8.1. Front AUX Input

Connect your portable audio player (e.g., smartphone, MP3 player) to the 3.5mm AUX input jack on the front panel using a stereo mini-plug cable. Select the AUX source on the unit. The AUX input level is adjustable.

8.2. CeNET iPod® Interface (Optional)

The unit is compatible with the CeNET iPod® Interface Box (EA-1276A-A, sold separately). Connect this interface to the CeNET port on the rear of the unit to control and play audio from your iPod® device.

8.3. Bluetooth® Transceiver (Optional)

The unit is compatible with the Bluetooth® Transceiver BLT370 (sold separately). Connect this transceiver to enable Bluetooth audio streaming and hands-free calling functionalities.

9. Sound Settings

9.1. DSP (Digital Sound Processor)

Press the DSP button to cycle through various sound field modes:

• STADIUM: Simulates a stadium environment.
• HALL: Simulates a concert hall environment.
• CLUBCHURCH: Simulates a club or church environment.
• L-ROOM: Simulates a large room environment.
• DSP OFF: Disables DSP effects.

9.2. Z-Enhancer Plus

Press the Z-Enhancer button to activate and cycle through 5 sound enhancement modes:

• BASS BOOST: Enhances low frequencies.
• IMPACT: Adds punch and dynamics.
• EXCITE: Brightens the sound.
• CUSTOM: Allows user-defined settings.
• Z+ OFF: Disables Z-Enhancer Plus.

9.3. Equalizer (EQ)

The unit features a 2-band equalizer for BASS and TREBLE adjustments:

• BASS: Adjustable at 60Hz, 100Hz, or 200Hz with a range of ±15dB.
• TREBLE: Adjustable at 10kHz or 15kHz with a range of ±12dB.

Additionally, Magna Bass EX provides a +10dB boost at 50Hz (at volume step 14).

10. Display Settings

10.1. Variable Color Display

Press the COLOR button to change the illumination color of the display. The unit offers 728 variable color options to match your vehicle's interior or personal preference.

10.2. Message Information Screen Saver

The unit features a 'Message Information' function that allows you to display arbitrary text as a screen saver. Refer to the on-screen menu for setting up custom messages.

10.3. Clock Display

The unit includes a clock display function. Adjust the time through the system settings menu.

11. Troubleshooting

If you experience issues with your DMZ375BK unit, refer to the following common problems and solutions:

• No Power: Check power connections, fuse, and vehicle battery. Ensure the ignition is on.
• No Sound: Check speaker connections, volume level, and mute function. Ensure the correct source is selected.
• Disc Error: Ensure the CD/MD is clean and free of scratches. Insert the disc correctly. Try a different disc.
• Radio Reception Poor: Check antenna connection. Ensure you are in an area with good signal strength.
• Buttons Not Responding: Try resetting the unit (refer to the full manual for reset procedure, usually a small reset button).

If the problem persists, contact Clarion customer support or a qualified service technician.

12. Specifications

13. Maintenance

To ensure the longevity and optimal performance of your Clarion DMZ375BK, follow these maintenance guidelines:

• Cleaning the Front Panel: Use a soft, dry cloth to wipe the front panel. For stubborn dirt, dampen the cloth with a small amount of neutral detergent and wipe gently, then dry with a clean cloth. Avoid abrasive cleaners or solvents.
• Disc Care: Handle CDs and MDs by their edges. Keep them clean and free of dust, fingerprints, and scratches. Store them in their cases when not in use.
• Avoid Extreme Temperatures: Do not expose the unit to direct sunlight for extended periods or to extreme temperatures, as this can affect performance and lifespan.

14. Warranty and Support

For warranty information, please refer to the warranty card included with your product or contact your local Clarion dealer. Technical support and service inquiries can be directed to Clarion customer service. Please have your model number (DMZ375BK) and purchase details ready when contacting support.