Editorial Review:

Item Description:
The GPSMAP 276C is a versatile color chartplotter and automobile navigator, perfect for land or water. Along with its counterpart, the GPSMAP 276C, this portable navigator features a sunlight-readable 256-color TFT display and a built-in autorouting basemap that can route you on major interstates and highways. On water, the GPSMAP 276C is a dependable color chartplotter with built-in basemap enhanced by Garmin's marine cartography. For extra-precise navigation, the 276C has a Course Deviation Indicator (CDI) - a feature normally found on aircraft, but equally practical for the marine environment. The CDI quickly indicates whether your boat has veered off-course and helps you get back on track quickly. The 276C also supports external NMEA sources for water depth, water temperature, and water speed through two serial interfaces. On land, the GPSMAP 276C's autoroute basemap can route you on interstates and major highways. The 276C is compatible with BlueChart maps, which add extra detail when you're out on the seas. It also accepts optional MapSource data cards, so you can add other types of map data easily. For convenience and easy map transfer, you can connect the 276C to your computer with the included USB cable. NMEA 0183 input/output Maps & Memory - Basemap with the ability to add maps through Garmin data cards 3000 Waypoints/favorites/locations 50 Routes 10,000 points Track log Unit Dimensions - Width 5.7 x Height 3.2 x Depth 1.9 (14.5x8.1x4.8cm) Unit Weight - 13.6 ounces (385 grams)

Amazon.com Item Description:
This WAAS-enabled, 12 parallel channel GPS receiver provides color chart plotting for both land and sea, making it an excellent addition to any boat or automobile dashboard. Its display-- 3.8-inch, 480 x 320 pixel, 256-color backlit TFT--provides enhanced sunlight-readability, and its adjustable quad helix receiving antenna with remote antenna capability delivers superior data reception.

Used with your car, the 276c's auto routing capability lets you select a destination and get turn-by-turn directions. There's even voice prompt guidance; just hook up a 12-volt speaker cable (sold separately) and the GPSMAP 276C will audibly tell you when you need to turn and how much farther you have to go.

Data provided with the unit includes 3000 user waypoints with an expanded list of waypoint symbols; 50 reversible routes with 1,200 waypoints per route; 10,000 point automatic track log with 15 saved tracks and 700 saved track points each; position formats including Lat/Lon, UTM, Loran TDs, Maidenhead, MGRS, User, and more; a large numbers option for easy viewing, and much more.

In addition to its built-in basemap detail (cities, interstates, coastline detail and US tide stations), the GPSMAP 276C accepts data from MapSource CD-ROMs, including BlueChart for offshore detail, Recreational Lakes with Fishing Hot Spots for detail of selected inland lakes, and City Select for street-level maps. The package includes the GPSMAP 276c, USB interface cable, power/data cable, marine mount, Trip & Waypoint Manager CD, rechargeable lithium-ion battery, AC adapter, owner’s manual, and a quick reference guide. Manufacturer rating of the battery lists it at up to 15 hours of use depending on backlight setting.



Accessories:
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Accessories:

• Garmin Protective Cover for GPSMap 276C (010-10492-00)
• Garmin Lithium-Ion Battery for GPSMap 276c (010-10517-00)
• Garmin A/C Adapter for GPSMap 276c
• Garmin Marine Mount for Gpsmount 276c
• Garmin Power / Data Cable for GPSMap 276c

Availability: Usually ships in 24 hours

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Rating: - * I was not impressed. ... This claims to be "perfect for land or water" in its description, but that is not the case at all. I took this deep-sea diving (I was hunting for monsters), and as soon as I got underwater the unit completely stopped working! I called the customer service, and they said it was "user error". Me and my new monster pets are very upset. Rating: - * Outstanding Garmin product...as usual ... Garmin has to be the best GPS available. It is the only one I buy, and this is my fifth unit. It is fast to aquire satellite data, and will position you within feet of where you are. I would like to have the option to increase the size of the font, but that is not available to the extent I need for motorcycle use. Rugged and reliable, if just a little over price; but then you are paying for the Garmin name. Software was easy to install on my GPS. Rating: - * 4 Stars for a great GPS unit... 5 Stars if add-ons were standard ... I use my 276C exclusively for boating, and it performs admirably. Once you figure out how to navigate the menu screens, you can take advantage of some very powerful options which you would only expect to see on higher end GPS models. Overall, I am very pleased - setup was a breeze, never a problem with position refresh, battery life is good, data is accurate, signal strength is fantastic in my boating area, and I really like the fact that nearly every screen is customizable. However, in order to take advantage of the 276C's many IMPORTANT features you should plan on spending (quite) a few more $$$. For starters, the marine base map is garbage for those who boat offshore or cruise the coast. I wasn't expecting much in the marine base map department going into the purchase, but for those that are expecting this, plan to pony up an additional $150 for a (proprietary) data card which gives you the detail you'll need to navigate the waters safely. Also, the absence of a 12v adaptor is a real miss. Given the unit is marketed as "portable", why Garmin opted to not include one is a mystery to me. So, plan on spending another $25 for that. If you plan on using this GPS for boating I would recommend the display cover... another $20. One of the more powerful feature I plan to utilize in the near future is the sonar function. To enable this feature, you'll need Garmins analog scanner (GSD-21) and a suitable transponder. One other feature I enjoy is the mapsource software that came with the unit. From this, you are able to upload your trips to the computer. From there you can analyze your trip - it even interfaces with google maps to provide a real-life view of your excursion. Pretty cool stuff. Rating: - * Garmin 276C ... Another excellent product from Garmin. I only use it on the water so I cannot speak to its automotive prowess but I am a very satisfied customer. Great accuracy (to 10 feet without WAAS) in Bermuda and charts are good. Thanks Garmin. Rating: - * Very best hand held nautical use product! ... I've been using my 276C since they came out. I race and cruise sailboats from my home port in Southern California but have used also it many times in Mexico, the East Coast, the UK and The Netherlands. It is a remarkably functional and reliable unit. I've also used it occasionally for land based travel and though this is not my primary interest, I have been quite satisfied. I have a chip so I can navigate the ports of Baja and Southern Mexico and it works seamlessly and A-OK. I still have paper charts on board but rarely use them other than to see the big picture. (To be fair, I should add that I also have a bigger, fancier RayMarine chartplotter/radar display unit at the helm, but I prefer my 276C for all uses except autohelm.) Without question it is the best product out there for how I use it. Oh, about 3 years ago I lost the unit overboard in Catalina in about 20' of water. I could see it down there but it took me several dives to collect it. Naturally it was non functional but I sent it in to Garmin and they sent me a new one for the $250 "repair" fee (including shipping). Took about a week.