Introduction
The GlobalSat BU-353-S4 is a high-performance USB GPS receiver designed to provide accurate location data to your computer or compatible device. Featuring a SiRF Star IV GPS chipset and 48-channel all-in-view tracking, it offers reliable positioning for various applications. This manual provides essential information for setting up, operating, and maintaining your BU-353-S4 receiver.
Key Features
- Built-In GPS Patch Antenna for enhanced signal reception.
- Built-In Roof Mount Magnet for secure and convenient placement.
- 48-Channel All-In-View Tracking for fast and accurate positioning.
- SiRF Star IV GPS Chipset for superior performance.
- WAAS/EGNOS Support for improved accuracy in North America and Europe.
Setup and Installation
1. Driver Installation
Before connecting the BU-353-S4, it is recommended to install the necessary drivers. Drivers are typically provided on a mini-CD included with the product or can be downloaded from the GlobalSat official website. Follow the on-screen instructions for driver installation.
2. Connecting the Receiver
- Locate an available USB port on your computer.
- Plug the USB connector of the BU-353-S4 into the USB port.
- The operating system should detect the new hardware and complete the driver installation if not already done.
Figure 1: GlobalSat BU-353-S4 USB GPS Receiver connected via USB.
3. Placement for Optimal Signal
For best performance, place the BU-353-S4 in a location with a clear view of the sky, free from obstructions like buildings or dense foliage. The built-in magnet allows for easy mounting on metallic surfaces, such as a vehicle roof.
Figure 2: Side profile of the BU-353-S4, illustrating its compact design.
Operating Instructions
1. Software Configuration
Once the drivers are installed and the device is connected, you will need to configure your GPS mapping or navigation software to use the BU-353-S4. This typically involves selecting the correct COM port and baud rate (usually 4800 bps) within your software's settings.
2. Acquiring a GPS Fix
Upon initial power-up or after a long period of inactivity, the receiver may take a few minutes to acquire a GPS fix. Ensure the device has an unobstructed view of the sky. A solid LED indicator (if present on your model) typically signifies a successful GPS fix.
3. Data Output
The BU-353-S4 outputs NMEA 0183 data, which is a standard format for GPS information. Most GPS applications are compatible with this data format.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using harsh chemicals or abrasive cleaners.
- Storage: When not in use, store the receiver in a cool, dry place, away from direct sunlight and extreme temperatures.
- Cable Care: Do not bend or crimp the USB cable excessively to prevent internal damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No GPS signal / No fix | Obstructed view of the sky, incorrect driver installation, software configuration error. | Move the receiver to an open area. Verify driver installation. Check COM port and baud rate settings in your GPS software. |
| Device not recognized by computer | Missing or corrupted drivers, faulty USB port, damaged cable. | Reinstall drivers. Try a different USB port. Inspect the USB cable for damage. |
| Inaccurate position data | Poor satellite reception, interference. | Ensure clear sky view. Avoid placing near strong electromagnetic sources. Allow more time for a stable fix. |
Specifications
| Brand | GlobalSat |
| Model Number | BU-353-S4 |
| Connectivity Technology | USB |
| GPS Chipset | SiRF Star IV |
| Tracking Channels | 48 |
| WAAS/EGNOS Support | Yes |
| Item Weight | 2.08 ounces |
| Manufacturer | USGlobalSat, Inc. |
Figure 3: Underside of the BU-353-S4, displaying model and serial information.
Warranty and Support
Warranty Information
This product comes with a 90-day limited warranty. Please refer to the warranty documentation provided with your purchase for full terms and conditions. For warranty claims or technical assistance, please contact USGlobalSat, Inc. customer support.
Customer Support
For further assistance, driver downloads, or frequently asked questions, please visit the official GlobalSat website or contact their customer support department. Contact information can typically be found on the manufacturer's website.