Marine
GPSMAP 176
User's Manual
Specifications
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GPSMAP 176
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 Navigation Features  

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

 GPS Performance 

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)

 Moving Map Features 

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.

 Power  

Source:  Four "AA" batteries (not included)

Battery Life:  4 to 16 hours based on backlight setting

 Physical  

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

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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