User rating:
0/10
The eTrex Summit was designed for both marine and recreation use. This all-in-one navigation device for the outdoor enthusiast is the first combination GPS, altimeter, and electronic compass. The electronic compass provides bearing information when you're standing still and the altimeter determines precise altitude, so you can tell how high you've climbed and your rate of ascent.
Like its predecessor, the eTrex Summit boasts a powerful 12 parallel channel GPS receiver and comes packaged in a small, sleek case with operating buttons located on either side of the unit. The case is completely waterproof to withstand immersion in one meter of water for up to 30 minutes.
The eTrex Summit: It's what the hard-core outdoorsman has been waiting for.
Specifications
Navigation Features
Waypoints/Icons: 500 with name and graphic symbol
Tracks: Automatic track log; 10 saved tracks let you retrace your path in both directions
Route: 20 reversible routes with up to 50 waypoints (available only by the free update offered on this website)
Trip computer: Current speed, average speed, time of sunrise/sunset, resetable maximum speed, trip timer, and trip distance
Map datums: More than 100
Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS and other grids
Electronic compass features
Accuracy: ±2 degrees with proper calibration (typical); ±5 degrees in extreme northern and southern latitudes
Resolution: 1 degree
Barometric altimeter features
Accuracy: 10 feet with proper calibration (user and/or automatic calibration)
Resolution: 1 foot
Range: -2,000 to 30,000 feet
Elevation computer: Current elevation, resetable minimum and maximum elevation, ascent/descent rate, total ascent/descent, average and maximum ascent/descent rate
Pressure: Local pressure (mbar/inches HG), 12-hour automatic pressure trend recording
Performance
Receiver: Differential-ready, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update your position
Acquisition Times:
* Warm: approx. 15 seconds
* Cold: approx. 45 seconds
* AutoLocate®: approx. 5 minutes
Update Rate: 1 second, continuous
Accuracy:
* Position: 15 meters (49 feet) RMS
* Velocity: 0.1 knot RMS steady state
Dynamics: 6g's
Interfaces: RS232 with NMEA 0183, RTCM 104 DGPS data format and proprietary Garmin®
Antenna: Built-in patch
Physical
Size: 4.4"H x 2.0"W x 1.2"D (11.2 x 5.1 x 3.0 cm)
Weight: 5.3 ounces (150 g) with batteries
Display: 2.1"H x 1.1"W (5.4 x 2.7 cm) high-contrast LCD with bright backlighting
Case: Waterproof to IEC 529 IPX7 standards
Temperature range: 5°F to 158°F (-15°C to 70°C)
Data storage: Indefinite; no memory battery required
Power
Source: 2 AA batteries (not included)
Battery Life: Up to 16 hours (typical use)
Need more? Further information on this GPS may be directly obtained from 
garmin.com.