Grandnavi MS-70RV 7-inch Marine Radio User Manual

1. Introduction

The Grandnavi MS-70RV is a versatile 7-inch marine multimedia player designed for a wide range of vehicles and vessels, including boats, yachts, motorcycles, ATVs, UTVs, SUVs, RVs, golf carts, harvesters, and trucks. Featuring IP67 waterproofing, wireless CarPlay, and Android Auto, this unit provides robust entertainment and navigation capabilities in challenging environments.

2. Key Features

• 7-inch HD Touch Screen: Beautiful compact design with a large, clear display, resistant to strong winds, high-salt waves, splashes, and inclement weather.
• Wireless CarPlay & Android Auto: Seamless integration with your smartphone for navigation, music, calls, and voice assistants (Hey Google, Hey Siri).
• IP67 Waterproof: Designed to withstand harsh marine and outdoor conditions. All power cords and connected interfaces are strictly waterproof, with waterproof covers for unused RCA interfaces.
• Bluetooth 5.3: Enables high-quality Bluetooth music playback and hands-free phone calls for safe operation.
• FM/AM Radio: Built-in marine radio with great range and excellent clarity.
• EQ Setting: Customize your audio experience with a variety of preset styles (jazz, classical, rock, etc.) and a graphic equalizer.
• 4*50W Power Output: High-performance audio output, with RCA output ports available for connecting external amplifiers.
• USB/AUX External Port: Supports local audio and video playback, meeting diverse audiovisual needs.
• Rear Camera Support: Compatible with CVBS480P rear cameras for enhanced safety during reversing.
• Multiple Language Support: User interface available in English, French, German, Italian, Japanese, Portuguese, Russian, and Spanish.

3. Package Contents

Please check the package for the following items:

• Grandnavi MS-70RV Marine Radio Unit
• Power Cord
• Mounting Accessories (brackets, screws, hex nuts)
• Fixed Sponge
• User Manual

4. Installation

4.1 Mounting the Unit

1. Cut a hole in the dashboard with a depth of at least 2.75 inches (70mm).
2. Slide the included spring washers (B) over the screw posts (A) and attach the screw posts to the back of the radio.
3. Insert the unit into the mounting hole.
4. Place the "U" bracket (C) over the screw posts and secure the radio to the dash using the included hex nuts (D).
5. If necessary, cut the score marks (E) on the bracket to fit the required length for your application.

4.2 Wiring Connections

Ensure all wiring connections are made correctly and securely before powering on the device. The power cord and interfaces are designed to be waterproof.

1. Power Supply:
   Connect the ACC (red cable) and B+ (yellow cable) together, and connect them to the positive pole of the power supply.
   Connect GND (black cable) to the negative pole of the power supply.
2. Other Connections: Refer to the detailed wiring diagram for connections such as USB, Steering Wheel Control (SWC), Brake, Camera Input (CAM IN), Video Output (VIDEO OUT), Subwoofer Output (SUB WOOFER), Auxiliary Input (AUX IN), Front Audio Outputs (FRONT OUT R/L), Rear Audio Outputs (REAR OUT R/L), Microphone (MIC), and Radio Antenna (ANT).

5. Operation

5.1 Powering On/Off

Once correctly wired, the unit will power on when the vehicle/vessel's ignition is turned on. To turn off, simply turn off the ignition.

5.2 Wireless CarPlay & Android Auto

Connect your compatible smartphone wirelessly to access navigation, music, messages, and other apps directly on the 7-inch display. Voice assistants like Hey Google and Hey Siri are supported for hands-free control.

5.3 FM/AM Radio

Select the FM/AM radio source from the main menu. Use the on-screen controls to tune to your desired frequency, scan for stations, and save presets. The marine radio offers excellent range and clarity.

5.4 Bluetooth 5.3

Pair your Bluetooth-enabled device to the MS-70RV for wireless audio streaming and hands-free calling. Access your phone book and dial directly from the unit's screen.

5.5 USB/AUX Playback

Connect USB drives or auxiliary devices to the designated ports for local audio and video playback. The HD screen is ideal for enjoying videos.

5.6 Equalizer (EQ) Settings

Navigate to the EQ settings to adjust audio output. You can choose from various preset styles (e.g., Jazz, Classical, Rock, Pop, Hip Hop, Dance) or customize the sound according to your preferences using the graphic equalizer.

5.7 Rear Camera Display

If a compatible CVBS480P rear camera is connected, the display will automatically switch to the camera view when reversing, enhancing safety.

5.8 Language Settings

Access the system settings to change the display language. Supported languages include English, French, German, Italian, Japanese, Portuguese, Russian, and Spanish.

6. Specifications

7. Maintenance

• Cleaning: Use a soft, damp cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents that could damage the surface.
• Water Exposure: While the unit is IP67 waterproof, ensure all connections are properly sealed, especially if exposed to direct water spray or submersion. Regularly check rubber seals and covers for wear.
• Connection Integrity: Periodically inspect all wiring connections for corrosion or looseness, especially in marine environments.

8. Troubleshooting

8.1 No Power

• Check power connections: Ensure the ACC (red) and B+ (yellow) cables are connected to a positive power source, and GND (black) is connected to a negative power source.
• Verify the power source is active and providing 12V.
• Check for any blown fuses in the vehicle/vessel's electrical system or in the unit's wiring.

8.2 No Sound

• Check speaker connections: Ensure all speaker wires are correctly connected to the unit and speakers.
• Verify volume levels: Make sure the volume is not muted or set too low on the unit or any connected devices.
• Check audio source: Ensure the correct audio source (Radio, Bluetooth, USB, AUX, CarPlay/Android Auto) is selected.
• If using external speakers/amplifier, ensure they are powered on and correctly connected to the RCA outputs.

8.3 CarPlay/Android Auto Not Connecting

• Ensure your smartphone's Wi-Fi and Bluetooth are enabled.
• Check that your phone is compatible with Wireless CarPlay/Android Auto.
• Restart both the marine radio and your smartphone.
• Ensure the unit's software is up to date (if applicable, refer to manufacturer's website for updates).

8.4 Rear Camera Not Displaying

• Verify the rear camera is correctly wired to the CAM IN input.
• Ensure the camera is powered on and functioning.
• Check that the unit is receiving the reverse signal (if applicable) to trigger the camera display.
• Confirm the camera is a CVBS480P type, as other formats may not be supported.

9. User Tips

• Speaker Expansion: If you wish to add more speakers or enhance audio quality, utilize the RCA output ports to connect an external amplifier and additional speakers.
• Wireless Connectivity: The unit supports wireless CarPlay and Android Auto, eliminating the need for wired connections for these features.
• Waterproof Connections: Always ensure that any unused RCA interfaces are covered with the provided waterproof caps to maintain the unit's IP67 rating and prevent water ingress.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact Grandnavi Official Store directly through your purchase platform or refer to the contact details provided with your product documentation.