Introduction
The OHREX N900 GPS Navigator is a versatile navigation system designed for both personal vehicles and commercial trucks, including semi-trucks and RVs. It features a 9-inch touch screen display and comes preloaded with the latest 2025 maps for the US, Canada, and Mexico, with lifetime map updates. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your N900 GPS Navigator to ensure a safe and efficient navigation experience.
Safety Information
Please read all safety instructions carefully before using the device. Failure to follow these instructions could result in injury or damage to the device.
- Driving Safety: Always prioritize safe driving. Do not operate the device in a way that distracts you from driving. Keep your eyes on the road and hands on the wheel.
- Mounting: Ensure the device is securely mounted and does not obstruct your view of the road or interfere with vehicle controls.
- Power Source: Use only the provided car charger and USB cable. Using unauthorized accessories may damage the device and void the warranty.
- Temperature: Avoid exposing the device to extreme temperatures (hot or cold), as this can affect battery life and performance.
- Cleaning: Clean the screen and device exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery: The device contains a lithium battery. Do not attempt to replace the battery yourself. Dispose of batteries according to local regulations.
Package Contents
Verify that all items listed below are included in your package:
- OHREX N900 GPS Navigator
- Car Charger
- USB Cable
- Suction Cup Mount
- User Manual (this document)
Figure 1: Contents of the OHREX N900 GPS Navigator package, including the device, car charger, USB cable, suction cup mount, and user manual.
Product Overview
The OHREX N900 is a 9-inch GPS navigation system designed for clarity and ease of use. It offers advanced features tailored for various vehicle types, especially commercial trucks.
Figure 2: Front view of the OHREX N900 GPS Navigator displaying a navigation map with speed limit and estimated arrival time.
Key Features:
- 9-inch TFT LCD Touch Screen: Provides a large, clear, and sensitive display with 800 x 480 pixel resolution.
- Lifetime Map Updates: Preloaded with the latest 2025 maps for US, Canada, and Mexico, with free lifetime updates. No subscription or SIM card required.
- Custom Truck Routing: Allows customization of routes based on your vehicle's weight, length, height, and width to avoid restricted roads.
- Advanced Lane Guidance: Provides clear visual guidance for complex intersections and upcoming turns.
- Real Voice Navigation: Spoken turn-by-turn directions available in over 40 languages.
- Driver Alerts: Notifies you of dangerous curves, speed changes, speed cameras, railroad crossings, animal crossings, and school zones.
- Multiple Vehicle Modes: Supports navigation for Car, Truck (Commercial/Semi Truck), Ambulance, Bus, and Taxi.
- FM Amplify Volume Function: Transmits navigation audio to your car's audio system for clearer sound (not a radio function).
Figure 3: Illustration of the lifetime map update process, involving connection to a Windows PC and downloading via a TF card.
Figure 4: Steps for setting up custom truck routing, including choosing truck mode, accessing truck settings, and inputting vehicle dimensions.
Figure 5: Examples of vehicle types for which the OHREX N900 provides tailored navigation, including taxi, car, emergency vehicle, truck, bus, RV, and pickup.
Figure 6: Icons illustrating the multi-functional capabilities of the GPS, such as satellite connectivity, touch interface, voice broadcast, 2D/3D view, map updates, FM transmitter, POI search, and smart route planning.
Setup
1. Mounting the Device
The OHREX N900 comes with a suction cup mount for easy installation on your windshield or dashboard.
- Clean the desired mounting surface thoroughly to ensure a strong suction.
- Attach the suction cup mount to the back of the GPS navigator.
- Press the suction cup firmly against the clean surface and flip the lever to secure it.
- Adjust the angle of the device for optimal viewing without obstructing your driving view.
Figure 7: Rear view of the OHREX N900 showing how the device connects to the suction cup mount, with red circles indicating adjustment points.
2. Powering On and Charging
- Connect the provided car charger to the device and your vehicle's 12V power outlet.
- The device should power on automatically or can be turned on by pressing the power button.
- For first-time use, fully charge the device using the car charger. The internal lithium battery has a capacity of 3000mAh and takes approximately 2-3 hours to charge.
3. Initial Configuration
- Upon first power-on, you may be prompted to select your language, time zone, and other basic settings.
- Navigate to the settings menu to configure your vehicle type (Car, Truck, RV, etc.) and input specific dimensions (length, width, height, weight) if using for commercial vehicles. This is crucial for custom truck routing.
- Ensure the device acquires a satellite signal outdoors for accurate positioning.
Operating Instructions
1. Entering a Destination
- From the main menu, tap "Navigation" or "Destination".
- You can search for a destination by:
- Address: Enter the street number, street name, city, and state/province.
- Point of Interest (POI): Search for categories like gas stations, restaurants, hotels, or specific business names.
- Coordinates: Input latitude and longitude.
- Favorites: Select from previously saved locations.
- Confirm your selection, and the device will calculate the route.
2. Custom Truck Routing
For truck drivers, the N900 offers specialized routing to avoid restrictions. Ensure your vehicle profile is accurately set up in the settings menu (refer to Initial Configuration). The system will then automatically calculate routes that consider bridge heights, weight limits, and other truck-related restrictions.
3. Lane Guidance and Driver Alerts
- The device provides visual lane guidance, showing which lane to be in for upcoming turns or exits.
- Audible and visual alerts will notify you of:
- Speed limit changes and current speed.
- Dangerous curves.
- Speed cameras and red light cameras.
- Railroad crossings and animal crossings.
- Nearby schools and school zones.
4. Map Updates
The OHREX N900 offers lifetime map updates. To update your maps:
- Contact OHREX customer support to obtain the latest map files.
- Connect your GPS Navigator to a Windows PC using the provided USB cable.
- Use an external TF (microSD) card for the update process if your system is not compatible with Mac.
- Follow the instructions provided by OHREX support to download and install the new maps onto your device.
Maintenance
1. Cleaning
- Use a soft, lint-free cloth to clean the screen and exterior of the device.
- For stubborn smudges, slightly dampen the cloth with water. Avoid excessive moisture.
- Do not use chemical cleaners, solvents, or abrasive materials, as they can damage the screen or casing.
2. Battery Care
- To prolong battery life, avoid fully discharging the battery frequently.
- Charge the device regularly, especially if it will be stored for an extended period.
- Store the device in a cool, dry place when not in use.
3. Software Updates
Periodically check the OHREX website or contact customer support for any available software updates. Keeping your device's software up-to-date ensures optimal performance, new features, and bug fixes.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery; faulty charger/cable; device malfunction. | Ensure the device is fully charged using the provided car charger. Try a different power outlet. If the issue persists, contact support. |
| No satellite signal. | Device is indoors; obstructed view of sky; GPS module issue. | Move the device to an open outdoor area with a clear view of the sky. Wait a few minutes for signal acquisition. |
| Inaccurate navigation or routing. | Outdated maps; incorrect vehicle profile settings; poor satellite signal. | Ensure maps are up-to-date. Verify vehicle dimensions and type in settings. Check for strong satellite signal. |
| Touch screen unresponsive. | Software glitch; physical damage. | Perform a soft reset (refer to user manual for specific reset instructions if available, otherwise power cycle). If unresponsive, contact support. |
| Audio issues (no sound, low volume). | Volume settings; FM transmitter not configured; faulty speaker. | Check device volume settings. Ensure FM amplify function is correctly set up if using car speakers. |
Specifications
| Feature | Detail |
|---|---|
| Brand | OHREX |
| Model Name | N900 |
| System | Windows CE 6.0 |
| Display Screen | 9" TFT LCD touch screen |
| Resolution | 800 * 480 pixels |
| Memory | 8 GB ROM, 256MB RAM |
| Storage Expansion | Support TF card up to 32GB |
| Dimensions (LWH) | 22.5 × 13.5 × 2.0 cm (8.94 x 5.39 x 0.63 inches) |
| Net Weight | 440g (15.5 ounces) |
| USB Interface | USB 2.0, mini USB |
| Battery | 3000mAh lithium battery (included) |
| Charging Time | 2-3 hours |
| Battery Life | 3 Hours |
| Connectivity Technology | USB |
| Map Type | Canada, America, Mexico |
| Vehicle Service Type | Bus, RV, Car, Truck |
| Special Feature | Touchscreen, Custom Truck Routing, Lifetime Update Maps, Road Warnings, Lane Assist |
| Audio Output Mode | Stereo |
| Country of Origin | China |
Warranty and Support
Warranty Information
The OHREX N900 GPS Navigator comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
Customer Support
OHREX has a professional technician team based in the United States dedicated to providing support. For regular map upgrades, technical assistance, or any questions regarding your device, please contact OHREX customer support. They are available to provide answers and guidance.
Please refer to the contact information provided on the OHREX official website or the product packaging for the most up-to-date support channels.
