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Reviews
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0
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955
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Mon June 28, 2004
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Description:
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Specifications:
Receiver: Differential-ready 12 parallel channel receiver.
Acquisition Times: Warm: approx. 15 seconds, Cold: approx. 45 seconds, Autolocate®: approx. 5 minutes, EZinit: easy initialization, 45 seconds
Update Rate: 1/second, continuous.
Accuracy: Position: 15 meters (49 feet) RMS selective availability off, 100 meters with selective availability on, 1-5 meters (3-15 feet) RMS with GARMIN GBR 21 DGPS receiver (optional).
Position averaging: Yes, to get you the most accurate fix on your position.
Velocity: 0.1 knot RMS steady state.
Dynamics: 6 g's.
Interfaces: NMEA 0180, 0182, 0183 version 1.5 and 2.0 and RTCM 104 version 2.0 DGPS corrections.
Antenna: Internal patch.
Size: 2.1" W x 5.8" H x 1.2" D inches (5.3 x 14.7 x 3.1 cm).
Weight: 9.5 ounces (269g) with batteries.
Display: 2.2 H x 1.5 W inches (5.6 x 3.8 cm), 64 x 100 pixel, high-contrast LCD with electro-luminescent backlighting. Back lighted display for night operation.
Display Screens: 6 each. The 6 screens are: 1) SATELLITE STATUS: comes up when you first turn the unit on. It displays a battery gauge showing battery life remaining, and a display of satellite numbers in view along with signal strength bars for each satellite potentially in view (up to 12). The signal strength bars are hollow if the GPS has found the Satellite and is not yet locked and changes to solid black when lock is made to each satellite in turn. 2) POSITION: ) A highway page type display screen shows off track distance similar to a CDI display. The CDI scale is adjustable in units of ..02, 25, 1.25, and 5.0 sm., nm, or km. This screen includes bearing, distance, track over ground speed, speed over ground, estimated time of arrival, and velocity made good, all with reference to the next waypoint. The name of the next waypoint is also displayed. If you get too far off course, a message is presented telling you the proper course to steer to get back on course. 3) PLOTTER: A tape style compass display screen showing direction of travel, track bearing, speed, trip distance, altitude, lon/lat position, and time of day. 4) COMPASS: display screen shows direction of travel and has an arrow pointing to the next waypoint. This screen also provides the name of the next waypoint, the bearing, distance, along track speed, speed, cross track error with reference to the next waypoint. 5) MOVING MAP: display is provided to plot your course over ground. 6) DISTANCE AND SOLAR TIMES: is provided to compute the distance between any two waypoints and to display sunrise and sunset information for your locality.
Case: Ultrasonically welded, waterproof to IPX-7 standards.
Temp. Range: 5°F to 158°F (-15°C to 70°C.
Memory Backup: Internal rechargeable 10 year lithium battery.
Power source: 5-8 VDC (4 AA batteries) or optional cigarette lighter adapter.
Battery Life: Up to 24 hours, no power saver mode.
Waypoints: 500, Nearest: 9 (automatic), Proximity: 9.
Waypoint marker icons: 16 different graphic icons to provide visual reminders of what type of waypoints you stored.
Waypoint name characters: 6 max.
Routes: 20 reversible routes with up to 30 waypoints each, plus TracBackTM mode.
TracBack®: TracBack® allows you to retrace your path using the track log automatically stored in the GPS receiver's memory. This eliminates the need to store waypoints along the way.
Track Plotter: Moving-map track plotter displays your progress in real time . You can hook this GPS to your laptop computer to track you movement with your mapping software like Street Atlas or TOPO USA.. Real cool to have if you like exploring.
Map Datums: Over 107 including one User Datum. Most USGS topo maps are referenced to NAD 27 (1927 North American Datum), but some of the newer ones use NAD 83. This information is printed in the lower left corner of the topo maps. NAD27 is listed by Garmin as NAD27 CONUS in the setup menu. NAD83 shows up as NAD83 in the setup menu.
Simulator mode: Yes, to help you learn to use the unit before going afield.
Coordinate Grids: Lat/Long, UTM, MGRS, plus 7 grids, including Maidenhead and User UTM.
MOB Man Overboard feature: Yes, the Man Over Board (MOB) function is a common feature for marine GPS units. If a person falls overboard, the skipper uses this function to immediately mark the current location. The GPS goes into a "Goto" mode and directs the skipper back to the point where the button was pressed.
Proximity waypoint warnings: No.
Comes with: 4 AA batteries, wrist strap, carrying case, owners manual and Quick reference guide.
Trip computer: Yes, includes: average speed, trip timer, and maximum speed.
Sunrise/Sunset tables: Yes.
Waterproof: Yes, (Submersible 1 meter @ 30 minutes).
External Antenna Capability: The GPS 12 is not capable of using an external antenna.
Warranty: Every GARMIN product is warranted to be free from defects in materials or workmanship for one year from the date of purchase.
Options and accessories:
Carry case.
Mounting bracket.
Instructional video.
Cigarette lighter adapter.
Bicycle mount kit
Data cable.
PC Interface Cable.
Data transfer cable (unit to unit).
PC Interface Kit With Cable and Software for Upload/Download.
PC Interface Cable with Cigarette Lighter Adapter.
Introduced in July 1997. The unit is fairly informative to the user, with messages 'Acquiring', '2D Nav' and '3D Nav' appearing on the screen along with your horizontal accuracy. When it loses contact with the satellites it beeps until you change to the message page, where you are greeted with the message 'Poor GPS coverage'. It does retain the position fix for the point at which it lost contact, so provided you're paying attention, you shouldn't have wandered too far off course. One slightly annoying feature of the Garmin was that when it does lose contact with all satellites, it waits 30 seconds before it starts beeping to inform you. Other units inform you immediately when they lose their fix. The Garmin 12 is one of the most popular units with hunters. Customer service is excellent with replacement and no questions asked the norm. The only difference between this unit the Garmin 12 and the Garmin 12XL, is that this unit does not have the external antenna capability and it does not have the audible alert when nearing waypoints. If you need these 2 features, see the Garmin 12XL GPS receiver.
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Keywords:
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Garmin 12 GPS navigation
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