Ro-ràdh
This manual provides detailed instructions for the operation and maintenance of your Garmin GPSMAP 78sc 2.6-Inch Waterproof Marine GPS and Chartplotter. The GPSMAP 78sc series is designed for recreational navigation, featuring a bright 2.6-inch LCD color display, built-in basemap, and a high-sensitivity GPS receiver. All models are waterproof to IPX7 standards and float in water, making them suitable for boating and watersports. Key features include a built-in microSD card slot for additional maps and a dedicated Man Over Board (MOB) button.

Figear 1: Aghaidh view of the Garmin GPSMAP 78sc handheld marine GPS and chartplotter.
Bathar seachadview
Prìomh fheartan:
- Marine-friendly handheld with high-sensitivity GPS receiver and 2.6-inch color TFT display.
- Waterproof to IPX7 standards; floats in water.
- Built-in BlueChart g2 U.S./Bahamas coastal charts with shorelines, depth contours, navaids, harbors, marinas, and more.
- Built-in 3-axis tilt-compensated electronic compass and barometric altimeter for heading, altitude, and weather information.
- Wireless sharing of waypoints, tracks, routes, and geocaches with other compatible devices.
Dè tha sa bhogsa:
- GPSMAP 78sc device
- Strap caol-dùirn
- Càball USB
- Leabhar-làimhe

Figear 2: Ceàrnach view of the Garmin GPSMAP 78sc, highlighting its button interface.
Bhideothan toraidh:
Garmin GPSmap 78 handheld GPS Overview
Tha am bhidio seo a’ toirt sealladh coitcheannview of the Garmin GPSMAP 78 handheld GPS, demonstrating its features and design.
Bathar seachadview Bhideo
A concise product overview video from the seller, highlighting key aspects of the device.
Suidhich
1. A 'stàladh Bataraidhean:
The GPSMAP 78sc operates on two AA batteries (not included). To install:
- Lorg còmhdach roinn a’ bhataraidh air cùl an inneil.
- Twist the D-ring counter-clockwise to unlock and remove the cover.
- Cuir a-steach dà bataraidh AA, a’ dèanamh cinnteach gu bheil am polarachd cheart (+ agus -).
- Cuir an còmhdach air ais agus tionndaidh an fàinne-D deiseal gus a dhaingneachadh.

Figear 3: Air ais view of the Garmin GPSMAP 78sc, illustrating the battery compartment.
2. Cumhachd air / dheth:
Brùth agus cùm an Cumhachd button (located on the left side) to turn the device on or off. A short press will adjust the backlight.
3. Roghainnean Tùsail:
Upon first use, the device may prompt you to set language, time zone, and other preferences. Follow the on-screen instructions using the directional pad and A steach putan.
Ag obrachadh
Navigation Basics:
- Prìomh chlàr: Brùth an MENU button twice to access the main menu.
- Putan na duilleige: Brùth DUILLEAG to cycle through the main pages (Map, Compass, Trip Computer, etc.).
- Pad stiùiridh: Use the directional pad to scroll through menus, pan the map, or adjust settings.
- Putan ENTER: Brùth A steach to select an item or confirm an action.
- Putan FÀG: Brùth SEACHD to return to the previous page or cancel an action.
A’ cruthachadh puingean-slighe:
To mark your current location as a waypoint:
- Brùth an MARBHRANN putan.
- Edit the waypoint name, symbol, and coordinates if desired.
- Tagh Dèanta or Sàbhail to store the waypoint.
Man Over Board (MOB) Function:
In an emergency, press the MOB button to immediately mark the current location and initiate navigation back to that point. This feature is critical for safety in marine environments.
Cumail suas
Glanadh an inneal:
Wipe the device with a cloth dampened with a mild detergent solution. Dry thoroughly. Avoid using abrasive cleaners or solvents that could damage the device's finish or screen.
Cùram Bataraidh:
Always use fresh, high-quality AA batteries. If the device will not be used for an extended period, remove the batteries to prevent leakage and corrosion.
Ùrachaidhean bathar-bog:
Thoir sùil bho àm gu àm air Garmin website for software updates to ensure optimal performance and access to the latest features. Updates can typically be installed by connecting the device to a computer via the USB cable.
Fuasgladh thrioblaidean
Inneal nach eil a’ cur cumhachd air:
- Dèan cinnteach gu bheil bataraidhean air an stàladh gu ceart agus air an làn ghearradh.
- Try new batteries.
- Thoir sùil air fiosan bataraidh airson coirbeachd.
Droch chomharradh GPS:
- Dèan cinnteach gu bheil soilleireachd aig an inneal view nan speur.
- Avoid areas with tall buildings, dense foliage, or other obstructions.
- Allow sufficient time for the device to acquire satellites, especially after being off for a long period.
Sgrion gun fhreagairt:
- Dèan ath-shuidheachadh bog le bhith a’ toirt air falbh agus ag ath-chur na bataraidhean.
- Dèan cinnteach gu bheil an sgrion glan agus saor bho sprùilleach.
Sònrachaidhean
| Feart | Mion-fhiosrachadh |
|---|---|
| Brand | Garmin |
| Ainm Modail | mapa gps |
| Modail Àireamh | 010-00864-02 |
| Meud sgrion | 2.6 òirlich |
| Seòrsa Taisbeanaidh | LCD |
| Fuasgladh | 160x240 piogsail |
| Ìre dìon-uisge | IPX7 (floats) |
| Beatha bataraidh | 20 Hours (typical) |
| Seòrsa bataraidh | 2 bataraidh AA (gun a thoirt a-steach) |
| Comas stòraidh cuimhne | 1 GB |
| Compatible Flash Memory Type | microSD |
| Siostam seòlaidh saideal le taic | GPS |
| Feartan sònraichte | Rugged case, Barometric altimeter, Garmin Connect compatible, Electromagnetic compass, Garmin HotFix, Custom POIs, Automatic routing, Hunt/fish calendar, Geocaching, Photo navigation |
| Meudan nì L x W x H | 2.6"F x 1.2"L x 6"À |
| Cuideam nì | 7.7 Unns |
Barantas agus Taic
The Garmin GPSMAP 78sc comes with a 1 Year Limited Warranty. For detailed warranty information, product support, or service inquiries, please refer to the official Garmin website or contact Garmin customer service directly. The included manual also contains contact information and further support resources.