The Garmin® GPS188 internal antenna Sounder/GPS unit installs easily in open cockpit and overhead boxes, and features a quick map redraw using a high-speed RISC processor. This unit combines chartplotter and sounder capabilities in one unit, with split-screen capability so you can view your position and sounder information at the same time. Marine cartography is presented on a high-resolution, 10-level grayscale, liquid crystal display.
Features
- Model Number: 010-00239-03
- WAAS-enabled
- 12-parallel channel GPS receiver
- Internal quad helix antenna
- Dimensions: H 6.18 in; W 6.3 in; D 2.6 in
- Accepts data cards programmed with Garmin® BlueChart cartography
- Display: 5.5-in diagonal, high-resolution FSTN, 240 x 360 pixels, 10-level gray scale
- Weight: about 2 lbs
- Backlit display and keypad
- Permanent user data storage, no memory battery required
- Water resistant, IEC-529, IPX7(submersible 1-meter at 30 min)
- Built-in worldwide basemap showing cities, interstates, coastline detail, and US tide stations
- Compatible with Garmin® BlueChart marine cartography and most MapSource products including Fishing Hot Spotsreg; and MetroGuide™
- 3000 user waypoints with name and graphic symbol; 50 reversible routes with 50 waypoints/route
- Position formats include Lat/Lon., UTM, Loran TDs, Maidenhead, MGRS and user grid
- Audible alarms for anchor drag, arrival, off-course, proximity waypoint, and clock
- Trip computer provides odometer, stopped time, moving average, overall average, total time, and max speed
- 2500-point automatic track log; 15 saved tracks let you retrace your path in both directions, 500 points/saved track
- Course and speed filtering
- Built-in celestial tables for sun and moon calculations
- Transmit Frequency: 50/200 kHz (40 degrees/10 degrees)
- Tranmit Power: 500-watts RMS, 4000 watts peak-to-peak
- Auto bottom tracking with 2x, 4x zoom levels
- Split screen combining both map and sounder data
- Simultaneous display of both 50 kHz and 200 kHz frequencies
- Graphic whiteline for clear image of bottom hardness and structure
- Underwater waypoints to capture position and depth
- See-Thru® technology seperates fish returns from thermoclines and structure
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