Garmin GPSMAP 276C Portable Navigator ( 010-00331-00 )
The GPSMAP 276C is an all-in-one, versatile, color chartplotter and automobile navigator — perfect for land or water. This portable GPS navigator features a 256-color TFT display that's easy to read in bright sun along with a built-in basemap and auto routing to provide you with turn-by-turn directions to the marina for a day of boating.
On water, the GPSMAP 276C is a dependable, color chartplotter with a built-in Autoroute basemap enhanced by Garmin's marine cartography. It accepts pre-programmed or user programmed data cards with MapSource® BlueChart® for offshore detail or Recreational Lakes with Fishing Hot Spots® for detail of inland lakes.
In addition, the GPSMAP 276C supports external NMEA sources for water depth, water temperature, and water speed through two serial interfaces. The unit also features a new Course Deviation Indicator (CDI) — an advanced navigation tool commonly found on aircraft, but equally practical in the marine environment. The CDI quickly indicates if a boat has veered off course.
On land, the GPSMAP 276C’s Americas or European Autoroute basemap features interstates and major highways. With an optional automotive kit that includes MapSource City Select® software, data card, friction mount, and 12-volt power adapter with speaker, drivers can receive voice-prompted turn-by-turn directions to addresses and points of interest throughout the United States and Canada or Europe.
For map transfer or software updates, the GPSMAP 276C features a fast USB-PC interface. The unit is also powered by a rechargeable lithium-ion battery pack, or a standard 110-volt AC plug.

| Garmin GPSMAP 276C Portable Navigator ( 010-00331-00 ) |
| Specifications |
| Physical & Performance | - Unit dimensions, WxHxD: 5.7" x 3.2" x 1.9" (14.5 x 8.1 x 4.8 cm)
- Display size, WxH: 3.0" x 2.2" (7.6 x 5.6 cm)
- Display resolution, WxH: 480 x 320 pixels
- Display type: 256-color TFT
- Weight: 13.6 oz (385 g)
- Battery: rechargeable internal lithium-ion
- Battery life: up to 15 hours
- Waterproof: yes (IPX7)
- Antenna: detachable
- NMEA input/output: NMEA 0183
- RoHS version available: yes
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| Maps & Memory | - Basemap: yes
- Ability to add maps: yes
- Built-in memory: none (cannot load maps to internal memory)
- Accepts data cards: Garmin data cards
- Waypoints/favorites/locations: 3,000
- Routes: 50
- Track log: 10,000 points
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| Features | - Garmin sonar compatible: yes
- Supports DSC (displays position data from DSC capable VHF radio): yes
- Audible alarms: yes
- Tide tables: yes
- Hunt/fish calendar: yes
- Sun and moon information: yes
- Automatic routing (turn by turn routing on roads): yes
- Headphone jack/audio line-out: yes
- Portable: yes
- Automotive/motorcycle-friendly: yes
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