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Waypoints/icons: 
3000 with name and graphic symbol, and comments, as well as proximity
support
Routes: 
50 reversible routes with up to 50 points each, plus MOB and TracBack®
modes
Tracks: 
2500-point automatic track log; 15 saved tracks; 500 points per
saved track let you retrace your path in both directions
Trip
computer:  Trip odometer, stopped time, moving average,
moving time, total average, total time, maximum speed, odometer
Alarms:  Anchor drag, arrival, off-course and proximity
waypoint, clock, shallow water, and deep water
Tables: 
Built-in celestial tables for best times to fish and hunt, sunrise
and sunset, sun and moon by date and position
Map
datums:  More than 100 plus user datum
Position
format:  Lat/Lon, UTM/UPS, Maidenhead, MGRS, Loran TDs
and other grids, including user grid
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Receiver:
 WAAS-enabled,
12 parallel channel GPS receiver continuously tracks and uses
up to 12 satellites to compute and update your position
Acquisition
times: 
- Warm: Approximately
15 seconds
- Cold:
Approximately 45 seconds
- AutoLocate:
Approximately 2 minutes
Update
rate:  1/second, continuous
GPS
accuracy: 
- Position:
< 15 meters, 95% typical*
- Velocity:
0.05 meter/sec steady state
DGPS
(USCG) accuracy: 
- Position:
3-5 meters, 95% typical*
- Velocity:
0.05 meter/sec steady state
DGPS
(WAAS) accuracy: 
- Position:
< 3 meters, 95% typical*
- Velocity:
0.05 meter/sec steady state
Dynamics: 
6 g's
Interfaces: 
RS232 with NMEA 0183, RTCM 104 DGPS data format and proprietary
GARMIN
Antenna:
 Removable quad-helix
Differential: 
DGPS (USCG and WAAS capable)
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Basemap: 
Detailed Americas basemap with cities, highways,
interstates, exit info, rivers, lakes, and U.S. tide data
Uploadable
Maps:  Compatible
with most MapSourceproducts
including GARMIN BlueChart
marine cartography, MetroGuideand
Fishing
Hot SpotsRequires
a GARMIN data card to store MapSource map detail.
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Size:
 3.40"H
x 6.18"W x 2.25"D
Weight: 
Approx. 1.5 lbs. (681g) with
batteries
Display: 
- 3.8" diagonal,
high resolution
- 320 x
240 pixels
- 12-level
gray high-contrast FSTN with backlighting
Case: 
Fully gasketed, high-impact plastic alloy, waterproof to IEC 529
IPX7 standards
Temperature
range:  5°F to 158°F (-15°C to 70°C)
User
data storage:  Indefinite, no memory battery required
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Specifications
are subject to change without notice.
* Subject
to accuracy degradation to 100m 2DRMS under the United States
Department of Defense-imposed Selective Availability Program.
**These units
are also able to transfer waypoints, routes, and tracks between
the PC and GPS using MapSourceª.
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