OHREX GPS Navigator A77 User Manual

1. Introduction

This manual provides essential information for the proper setup, operation, and maintenance of your OHREX GPS Navigator A77. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

The OHREX GPS Navigator A77 is designed for both car and commercial truck drivers, offering advanced navigation features including lifetime free map updates, customizable routing based on vehicle dimensions, and spoken driver alerts.

2. Package Contents

Upon opening the package, please verify that all items listed below are present and in good condition:

• 1x 7" Touch Screen GPS Navigation Unit
• 1x Suction Cup Holder
• 1x USB Charging Cable
• 1x USB Data Cable
• 1x Car USB Charger
• 1x English User Manual
• 1x French User Manual

3. Setup

3.1 Initial Charging

Before first use, fully charge the GPS device for 2-3 hours using the provided USB charging cable and car USB charger. A full charge ensures stable operation.

3.2 Mounting the Device

The OHREX GPS Navigator A77 comes with a suction cup holder for secure placement in your vehicle. You can choose between windshield or dashboard mounting.

Image: The OHREX GPS Navigator A77 shown mounted on a vehicle's windshield and dashboard, demonstrating flexible placement options.

1. Clean the desired mounting surface (windshield or dashboard) to ensure proper adhesion.
2. Attach the suction cup holder to the back of the GPS unit.
3. Press the suction cup firmly against the chosen surface and engage the lever to secure it.
4. Adjust the angle of the GPS unit for optimal viewing without obstructing your driving view.

3.3 Physical Features and Ports

Familiarize yourself with the device's buttons and ports for easy operation.

Image: Rear view of the OHREX GPS Navigator A77, highlighting its various ports and buttons. Labeled points include: 1. ON/OFF button, 2. Headphone Jack, 3. SD Card Slot, 4. USB & Charging Hole, and 5. Reset Hole.

• 1. ON/OFF: Power button to turn the device on or off.
• 2. Headphone Jack: For connecting external audio devices.
• 3. SD Card Slot: For inserting a TF card (up to 32GB) for map updates or additional storage.
• 4. USB & Charging Hole: Connects to the USB charging cable for power and data transfer.
• 5. Reset Hole: Used to reset the device if it becomes unresponsive.

4. Operating Instructions

4.1 Powering On/Off

Press and hold the ON/OFF button (1) on the side of the device to power it on or off. A short press will put the device into sleep mode.

4.2 Navigation Features

The OHREX GPS Navigator A77 comes pre-loaded with 2025 maps for the U.S., Canada, and Mexico, offering 2D/3D map displays.

Intelligent Navigation

The device supports various search methods including Postcodes, Addresses, Coordinates, and Points of Interest (POI). It provides driver alerts, street name broadcasting, lane guidance, estimated arrival times, and current speed display. Intelligent route planning offers fast or economical routes with turn-by-turn real voice broadcast.

Image: The OHREX GPS Navigator A77 demonstrating multi-language voice guidance options (English, Spanish, French, German) and the FM function setup screen, which allows navigation audio to be transmitted to the car's audio system.

FM Function

The built-in FM function allows the navigation audio to be transmitted to your car's audio system, increasing the volume and clarity of navigation broadcasts. Note that this is an amplify volume function and not a radio.

Custom Truck Routing

For commercial drivers, the device allows you to customize routes based on your vehicle's weight, length, height, and width. This feature helps avoid roads with restrictions.

Image: Screen capture from the OHREX GPS Navigator A77 showing the initial step to choose 'Truck Mode' for customized routing.

Image: Screen captures from the OHREX GPS Navigator A77 illustrating the process of accessing truck settings and inputting custom vehicle dimensions (length, width, height, weight) for optimized routing.

1. From the main menu, select 'Route Settings' or 'Navigation Mode'.
2. Choose 'Truck Mode' from the vehicle type options.
3. Access 'Truck Settings' to input your vehicle's specific dimensions (length, width, height) and weight.
4. The GPS will then calculate routes that avoid restrictions based on your input.

5. Maintenance

5.1 Lifetime Free Map Updates

OHREX provides free lifetime map updates. You can update the maps by connecting the device to a Windows PC or by using an external TF Card.

Image: Diagram illustrating two methods for updating maps on the OHREX GPS Navigator A77: connecting directly to a Windows PC via USB, and downloading updates to a TF card for transfer to the device (compatible with both Mac and Windows systems).

1. Via Windows PC: Connect your OHREX GPS Navigator to a Windows PC using the provided USB data cable. Follow the instructions provided by OHREX for downloading and installing the latest map data.
2. Via TF Card: Download the map updates to an external TF card using either a Mac or Windows system. Insert the TF card into the device's SD Card Slot (3) and follow the on-screen prompts to update the maps.

Important: Do not use a Mac computer to directly operate map updates when connecting the GPS device, as the system may not be compatible. Use a Windows PC for direct connection or an external TF card for updates on Mac.

5.2 Cleaning

Use a soft, dry cloth to clean the screen and exterior of the device. Avoid using abrasive cleaners or solvents.

6. Troubleshooting

6.1 GPS Satellites Navigation Stops Working

If the GPS device stops receiving satellite signals or navigation functionality ceases:

• Reset the GPS device using the Reset Hole (5) with a thin object (e.g., a paperclip).
• Charge the device for at least 30 minutes, then power it on again.
• Ensure the device has a clear view of the sky for optimal satellite reception.

6.2 Device is Defective or Not Working Properly

If the item appears defective or does not power on:

• Charge the device for 30 minutes. After long shipping times, the battery may be completely depleted.
• Ensure you are using the OHREX standard charger cable.
• If the issue persists, please contact OHREX customer support for assistance or a replacement.

7. Specifications

8. Warranty Information

The OHREX GPS Navigator A77 comes with a 1-year warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects and malfunctions under normal use.

9. Support

For any questions, technical assistance, or support regarding your OHREX GPS Navigator, please contact our customer service team. OHREX has an after-service team in Toronto and a professional technician team in the United States dedicated to assisting our customers.

You can typically reach us through the Amazon platform where you purchased the product, or refer to the contact information provided in your product packaging.