DENSO Commercial Drive Recorder DN-PRO4 User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of the DENSO DN-PRO4 Commercial Drive Recorder. The DN-PRO4 is designed to enhance driver safety support and improve operational efficiency for fleet managers through advanced recording and monitoring capabilities.

Figure 1: Front view of the DENSO DN-PRO4 Commercial Drive Recorder, showing the lens, brand logo, and ventilation slots.

2. Key Features

The DENSO DN-PRO4 offers several advanced features for superior performance and usability:

2.1. Enhanced Recording Quality

Figure 2: Diagram illustrating the key features and improvements of the DENSO DN-PRO4.

The DN-PRO4 provides refined, clear image quality:

• Front Camera: Upgraded from conventional 2-megapixel to 2-megapixel HDR. Records license plates clearly during the day and suppresses whiteout from lights for clear night recording.
• Indoor Camera: Improved from 300,000 pixels to 1 million pixels, clearly recording the driver's condition.

Approximate Recording Time:

Note: Recording times are approximate and may vary based on SD card capacity and recording conditions.

2.2. Advanced Video Analysis (Viewer Software)

The feature-rich viewer software enables faster and easier video analysis:

• Partial Enlargement: Allows zooming into specific parts of the video, such as license plates or accident contact points, to assist in detailed accident analysis.
• Driving Information Display: Displays brake, turn signal, back, and driver status monitor information, aiding in understanding the situation before and after an event.
• High-Speed Playback: Supports high-speed playback to efficiently re-check recorded footage by quickly finding desired scenes, assisting safety managers in their review tasks.

2.3. Linkage with Driver Status Monitor (DN-DSM)

The DN-PRO4 can be linked with the DENSO Driver Status Monitor (DN-DSM) to provide backup for safe driving guidance:

• The DN-DSM detects and warns against behaviors that can lead to accidents, such as distracted driving, drowsiness, and improper driving posture.
• When linked with the DN-PRO4, detected events are displayed on the viewer software.
• The number of detections is recorded in the driving log, allowing for a more detailed understanding of driving conditions.

3. Setup

This section outlines the steps for setting up your DENSO DN-PRO4 Drive Recorder.

3.1. Package Contents Verification

Before installation, ensure all components are present:

• DN-PRO4 Main Unit
• Power Cable (12V / 24V compatible)
• Vehicle Information Cable
• Instruction Manual (this document)
• Adhesive Mount
• (Optional) Secondary Camera and Cable
• (Optional) SD Card (sold separately)

3.2. SD Card Insertion

1. Ensure the device is powered off.
2. Locate the SD card slot on the DN-PRO4 unit.
3. Insert a compatible SD card (Class 10 or higher recommended) into the slot until it clicks into place.
4. To remove, gently push the card in until it springs out.

3.3. Mounting the Device

The DN-PRO4 uses an adhesive mounting method:

1. Clean the windshield surface where the device will be mounted. Ensure it is free of dust and grease.
2. Peel off the protective film from the adhesive mount.
3. Attach the mount to the desired location on the windshield, ensuring a clear view of the road and proper camera angle.
4. Press firmly for at least 30 seconds to ensure strong adhesion.
5. Slide the DN-PRO4 main unit onto the mount until it locks securely.

3.4. Power Connection

1. Connect the power cable to the DN-PRO4 unit.
2. Route the power cable safely along the vehicle's interior, avoiding interference with driving controls.
3. Connect the other end of the power cable to the vehicle's 12V or 24V power source (e.g., fuse box, cigarette lighter adapter if applicable). Professional installation is recommended for direct wiring.

3.5. Optional Secondary Camera Connection

If using a secondary camera:

1. Mount the secondary camera in the desired location (e.g., rear window, cabin interior).
2. Connect the secondary camera cable to the designated port on the DN-PRO4 main unit.
3. Route the cable safely and discreetly.

4. Operating Instructions

This section details the basic operation of your DENSO DN-PRO4 Drive Recorder.

4.1. Powering On/Off

• The device will automatically power on when the vehicle's ignition is turned on, provided it is correctly wired.
• It will automatically power off when the ignition is turned off.
• Manual power control may be available via a dedicated button (refer to device interface for specific button location).

4.2. Recording Modes

The DN-PRO4 typically operates in continuous recording mode. Event recording is triggered by:

• Impact Detection: Built-in G-sensor detects sudden impacts or harsh braking/acceleration.
• Manual Event Button: Pressing a designated button on the device to manually save a recording segment.
• Linked DN-DSM Events: If linked, events detected by the DN-DSM (e.g., distracted driving) will trigger event recording.

4.3. Accessing Recordings

Recordings can be accessed and managed using the dedicated viewer software on a computer:

1. Remove the SD card from the DN-PRO4 unit.
2. Insert the SD card into a computer's SD card reader.
3. Install and launch the DENSO viewer software.
4. Use the software to browse, play back, and export recorded videos.

4.4. Menu Navigation (if applicable)

The 2-inch LCD screen allows for basic menu navigation:

• Use the physical buttons (if present) to navigate through menu options.
• Common settings include date/time, recording resolution, G-sensor sensitivity, and formatting the SD card.
• Refer to the on-screen prompts for specific button functions.

5. Maintenance

Proper maintenance ensures the longevity and optimal performance of your DN-PRO4.

5.1. Cleaning the Device

• Wipe the lens and body of the drive recorder with a soft, dry cloth.
• Do not use abrasive cleaners or solvents, as they may damage the device.
• Ensure the lens is clean for clear recording quality.

5.2. SD Card Management

• Regularly format the SD card (e.g., once a month) using the device's menu or the viewer software to prevent data corruption and ensure optimal recording performance.
• Replace the SD card periodically (e.g., every 6-12 months for heavy use) as SD cards have a limited lifespan for write cycles.
• Always power off the device before inserting or removing the SD card to prevent data loss or card damage.

5.3. Firmware Updates

Check the DENSO official website periodically for firmware updates. Firmware updates can improve performance, add features, or fix bugs. Follow the instructions provided with the firmware update carefully.

6. Troubleshooting

This section addresses common issues you might encounter with your DN-PRO4.

6.1. Device Not Powering On

• Check the power cable connection to both the device and the vehicle's power source.
• Verify the vehicle's ignition is on.
• Inspect the vehicle's fuse for the power outlet or wired connection.

6.2. Recording Issues

• Ensure an SD card is properly inserted and formatted.
• Check if the SD card is full; if so, back up important files and format the card.
• Verify the SD card is a compatible type (Class 10 or higher).
• If recording quality is poor, clean the camera lens.

6.3. GPS Signal Not Found (if applicable)

• Ensure the device has a clear view of the sky.
• Avoid mounting near metallic objects or tinted windows that might block the signal.
• Allow a few minutes for the device to acquire a GPS signal after powering on.

6.4. Viewer Software Issues

• Ensure the viewer software is installed correctly and is the latest version.
• Verify the SD card is readable by your computer.
• Consult the viewer software's help section or DENSO support for specific software problems.

7. Specifications

Detailed technical specifications for the DENSO DN-PRO4 Drive Recorder:

• Brand: DENSO
• Model: DN-PRO4
• Power Supply Voltage: 12V / 24V
• Operating Voltage Range: 10V ~ 28V
• Operating Temperature Range: -10℃ ~ 60℃
• Total Pixel Count: 2 million pixels
• Lens Angle (Horizontal): 117°
• Lens Angle (Vertical/Actual): 70°
• Screen Size: 2 inches
• Display Type: LCD
• Battery Usage: No (operates on vehicle power)
• Assembly Method: Adhesive
• Product Dimensions: 3.4 cm (Depth) x 10 cm (Width) x 5.4 cm (Height)
• Product Weight: 1.01 kg

8. Warranty and Support

For warranty information and technical support, please refer to the official DENSO website or contact your authorized DENSO dealer. Specific warranty terms and conditions may vary by region and purchase location.

• Official DENSO Website: www.denso.com
• Customer Support: Refer to the contact information provided with your purchase or on the official website for your region.