Introducció
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.
Característiques clau
- 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.
Configuració i instal·lació
1. Instal·lació del controlador
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 weblloc. Seguiu les instruccions que apareixen a la pantalla per instal·lar el controlador.
2. Connexió del receptor
- Localitzeu un port USB disponible al vostre ordinador.
- 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.

Figura 2: Pro lateralfile of the BU-353-S4, illustrating its compact design.
Instruccions de funcionament
1. Configuració del programari
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.
Manteniment
- Neteja: Use a soft, dry cloth to clean the exterior of the device. Avoid using harsh chemicals or abrasive cleaners.
- Emmagatzematge: Quan no l'utilitzeu, guardeu el receptor en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Cura del cable: Do not bend or crimp the USB cable excessively to prevent internal damage.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No GPS signal / No fix | Obstruït 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. |
| Dispositiu no reconegut per l'ordinador | 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. | Assegureu-vos un cel clar view. Avoid placing near strong electromagnetic sources. Allow more time for a stable fix. |
Especificacions
| Marca | GlobalSat |
| Número de model | BU-353-S4 |
| Tecnologia de connectivitat | USB |
| Chipset GPS | SiRF Star IV |
| Tracking Channels | 48 |
| WAAS/EGNOS Support | Sí |
| Pes de l'article | 2.08 unces |
| Fabricant | USGlobalSat, Inc. |

Figure 3: Underside of the BU-353-S4, displaying model and serial information.
Garantia i Suport
Informació de la garantia
Aquest producte ve amb un Garantia limitada de 90 dies. 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.
Atenció al client
For further assistance, driver downloads, or frequently asked questions, please visit the official GlobalSat weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Normalment, podeu trobar la informació de contacte al fabricant weblloc.