Introducció
The Garmin GPSMAP 79s is a rugged, marine-grade handheld GPS device designed for reliable navigation in various environments, particularly on water. It features a sunlight-readable, high-resolution color display and is built to float and resist water ingress. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your GPSMAP 79s device.

Figure 1: Garmin GPSMAP 79s device with North American map displayed.
Configuració
Què hi ha a la caixa
- Dispositiu Garmin GPSMAP 79s
- Corda
- cable USB
- Documentació (aquest manual)
Instal·lació de la bateria
The GPSMAP 79s requires two AA batteries (not included). For optimal performance and battery life, use high-quality alkaline or NiMH rechargeable batteries. Lithium-ion batteries are not recommended due to potential voltage inconsistencies that could damage the device.
- Localitzeu la tapa del compartiment de la bateria a la part posterior del dispositiu.
- Rotate the D-ring counter-clockwise and lift the cover to open.
- Introduïu dues piles AA, observant les marques de polaritat (+ i -) a l'interior del compartiment.
- Replace the battery cover and rotate the D-ring clockwise to secure it. Ensure the cover is properly sealed to maintain water resistance.

Figura 2: posterior view of the GPSMAP 79s, indicating the battery compartment.
Encès i configuració inicial
- Manteniu premut el botó PODER botó fins que la pantalla s'encengui.
- Follow the on-screen prompts to select your language, time zone, and other initial settings.
- Allow the device to acquire satellite signals. This may take a few minutes, especially during the first use or after being off for an extended period. Ensure you are in an open area with a clear view del cel.
Loading Maps (Optional)
The device comes with a worldwide basemap. For more detailed marine charts or regional maps, you may need to purchase and load them onto the device. The GPSMAP 79s supports microSD cards up to 32 GB for additional map storage. Refer to Garmin's official website for compatible map products and detailed instructions on loading them.
Instruccions de funcionament
Navegació bàsica
The GPSMAP 79s uses a button-based interface for all operations. Familiarize yourself with the buttons:
- PODER: Turns the device on/off, adjusts backlight.
- PÀGINA: Cycles through main pages (Map, Compass, Trip Computer, etc.).
- MENÚ: Opens the menu for the current page; press twice for the main menu.
- TROBAR: Accesses search functions for waypoints, tracks, routes.
- MARC: Marks your current location as a waypoint.
- DEIXAR: Cancel·la una acció o torna a la pàgina anterior.
- ENTRAR: Confirma les seleccions.
- Tecles de fletxa: Navigate menus, pan maps, adjust zoom.

Figure 3: GPSMAP 79s showing a navigation screen with speed, distance, and estimated time of arrival.
Waypoints, rutes i pistes
- Waypoints: Premeu MARC to save your current location. You can edit waypoint names and symbols. The device can store up to 10,000 waypoints.
- Rutes: Create routes by combining multiple waypoints. The device supports up to 250 routes.
- Pistes: The device automatically records your path as a track. You can save tracks and navigate back along them. It can store up to 300 fit activities (tracks).
Satellite Constellations
The GPSMAP 79s supports multiple global navigation satellite systems (GNSS) including GPS, GLONASS, BeiDou, Galileo, QZSS, and SBAS. This multi-constellation support enhances tracking reliability and accuracy worldwide, especially in challenging environments.
Sensors integrats
- 3-Axis Tilt-Compensated Electronic Compass: Provides accurate heading information even when the device is not held level or when standing still.
- Altímetre baromètric: Tracks changes in pressure to provide precise altitude readings and can be used to plot barometric pressure over time, aiding in weather trend analysis.

Figure 4: GPSMAP 79s showing the electronic compass display.

Figure 5: The GPSMAP 79s floating on water, highlighting its water-resistant and buoyant design.
Manteniment
Neteja del dispositiu
Una neteja regular ajuda a mantenir el rendiment i l'aspecte del dispositiu.
- Netegeu la pantalla i l'exterior amb un drap suau i sense borrissol.
- Per a la brutícia persistent, feu servir un drapampened with a mild detergent solution, then wipe dry.
- Avoid abrasive cleaners, solvents, or chemical sprays that can damage plastic components and finishes.
- Ensure the USB port cover is securely closed to prevent water and debris ingress.
Cura de la bateria
- Traieu les piles si no heu d'utilitzar el dispositiu durant un període prolongat per evitar fuites.
- If using rechargeable NiMH batteries, ensure they are fully charged before each trip.
- Eliminar les bateries segons la normativa local.
Emmagatzematge
Store the device in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing it in areas with high humidity.
Resolució de problemes
El dispositiu no s'encén
- Check battery orientation and ensure they are correctly inserted.
- Substituïu les piles per unes de noves.
- Ensure the battery compartment cover is fully closed and secured.
Poor GPS Signal Acquisition
- Assegureu-vos que esteu en una zona oberta amb claredat view del cel, lluny d'edificis alts o vegetació densa.
- Allow sufficient time for the device to acquire satellites, especially after being off for a long time or moved a significant distance.
- Check for any obstructions blocking the device's view del cel.
Durada de la bateria curta
- Ensure you are using fresh, high-quality AA batteries.
- Reduce backlight brightness.
- Disable unnecessary features if not in use.
- Consider using NiMH rechargeable batteries for repeated use.
Buttons Unresponsive or User Interface Clunky
- Assegureu-vos que no hi hagi restes enganxades al voltant dels botons.
- Perform a soft reset by removing and reinserting the batteries.
- Update the device software to the latest version using Garmin Express.
Especificacions
| Característica | Detall |
|---|---|
| Marca | Garmin |
| Nom del model | GPSMAP 79s |
| Mida de la pantalla | 3 polzades |
| Tipus de visualització | LED o LCD |
| Resolució | 240 x 400 píxels |
| Tecnologia de connectivitat | USB |
| Característica especial | Floats in water, Rugged Design |
| Sistemes de satèl·lit compatibles | GPS, GLONASS, BeiDou, Galileo, QZSS, SBAS |
| Mapa base | Mapa base mundial |
| Waypoints | 10,000 |
| Rutes | 250 |
| Tracks/Fit Activities | 300 |
| Capacitat d'emmagatzematge de memòria | 8 GB (intern) |
| Memòria externa | MicroSD card slot (up to 32 GB) |
| Tipus de bateria | 2 piles AA (no incloses) |
| Durada de la bateria | Up to 19 hours (GPS mode) |
| Dimensions (L x A x A) | 2.67" x 6.85" x 1.67" |
| Pes | 282 grams |
| Classificació de l'aigua | IPX6 (unit level only) |
| Sensors integrats | 3-axis tilt-compensated electronic compass, Barometric altimeter |
Garantia i suport
Garantia del producte
The Garmin GPSMAP 79s comes with a Garantia limitada d'1 any from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For full terms and conditions, please refer to the warranty documentation included with your device or visit the official Garmin weblloc.
Atenció al client
For additional assistance, technical support, or to register your product, please visit the official Garmin support website or contact their customer service. Keeping your device's software updated is recommended for optimal performance and access to the latest features. You can use Garmin Express software for updates.
Official Garmin Weblloc: www.garmin.com