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Garmin GPSMAP 398C


Garmin GPSMAP 398C

Color GPS Sonar Combo

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to continental USA

No sales tax outside of Nebraska.

Preloaded with U.S. inland 
freshwater lake maps!

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Garmin GPSMAP 398C

Similar in styling and function to the GPSMAP 292C/298C Sounder, the GPSMAP 398C Sounder along with its counterpart, the GPSMAP 392C, add preloaded U.S. inland freshwater cartography to its enhanced worldwide basemap information. The preloaded inland maps offer 50-meter shoreline resolution throughout the U.S., with even more detailed 10-meter resolution on select lakes. Other details include depth contours, tide and current data, boat ramps, mile markers, hazards, marinas, campgrounds, area roads, and more. Both units accept preprogrammed data cards and are compatible with the latest BlueChart® g2 series marine cartography. The built-in 500-watt (RMS) sounder on the GPSMAP 398C features Ultrascroll™ for high-speed screen updates, and its Garmin CANet™ bus allows sounder display information to be shared with another chartplotter onboard.

GPSMAP 398C Sounder Features:

  • 256-color TFT display, 4.0”H x 3.0”W, 5.0-inch diagonal, 320 x 240 pixels
  • CCFL backlight for display and keypad
  • Ultra-dim backlight for nighttime operation with user programmable levels for day and night
  • Unit dimensions: 7.1” H x 6.3” W x 3.1” D (internal antenna)
  • Power output: 400 watts (RMS) 3200 watts (peak to peak), dual beam
  • Depth: 900 feet (dual beam)
  • Transom mount transducer: 80kHz (60 degree), 200kHz (20 degree), dual beam
  • Built-in Inland maps, provides 50-meter shoreline resolution throughout the U. S., 10-meter shoreline resolution and depth contours on select lakes, USCG light list, wrecks and obstructions, real-time tide and currents, interstates, state highways, and rural roads
  • CANet proprietary bus allows display and control of full-feature sounder data supplied from Garmin sounder
  • New sounder design featuring excellent shallow-water performance
  • Ultra scroll; user adjustable
  • Adjustable range with automatic display re-scaling of picture
  • See-Thru technology: shows weak and strong returns simultaneously
  • Depth Control Grain (DCG): automatically adjusts fishfinder sensitivity according to depth
  • Power down backup of settings: customer settings are not lost when the unit is turned off
  • Pre-loaded with over 15 user-interface languages
  • Water temperature log and graph
  • Round flasher display mode
  • A-scope
  • Whiteline
  • Adjustable depth line
  • 2X and 4X Automatic and manual zoom
  • Water speed capable
  • Odometer
  • Adjustable keel offset
  • Alarms for fish size, shallow water, deep water, and battery voltage
  • Battery voltage indication
  • Detailed fish arches
  • Compatible with Garmin Minnesota  LakeMaster ProMap

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Free shipping to continental USA!  No sales tax outside of Nebraska.


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Last modified:  June 24, 2015

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