Foretrex 101 Specifications


 Navigation features

Waypoints/icons: 500 with name and graphic symbol

Tracks: Automatic track log with TracBack® feature lets you retrace your path

Trip computer: Current speed, average speed, resetable maximum speed, trip timer and trip distance; a separate configurable trip computer screen

Map datums: More than 100

Position format: Lat/Lon, UTM/UPS, Maidenhead, MGRS and other grids, Loran TDs

 GPS performance

Receiver: 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 5 minutes

Update rate: 1/second, continuous

GPS accuracy:

  • Position: < 15 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: 6g’s

Interfaces: RS232 with NMEA 0183 and proprietary Garmin

Antenna: Built-in patch


Source: 2 AAA batteries

Case: Waterproof to IEC 60529 IPX7 standards

Temperature range: -4ºF to 140ºF (-20ºC to 60ºC)


Size: 3.3" W x 1.7" H x .9" D

Weight: 2.6 ounces (74 g)

Display: 1.43" H x .92" W; 100 x 64 pixel monochrome with backlighting

Specifications are subject to change without notice.

* Depth capacity is dependent on water salinity, bottom type, and other water conditions.

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