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Catch more fish on your next salt or freshwater outing thanks to the sonar capabilities of Humminbird's Helix 5 5 SI GPS. This fishfinder utilizes Side Imaging/Down Imaging, that is filtered with SwitchFire technology. The latter allows you to adjust the sensitivity to fine tune the returns that show on the 5" LED-backlit display. This system has a RMS power output of 500W, and a peak to peak output of 4000W, which allows the unit to provide an accurate representation of the bottom down to 1500' (2D) & 100' (SI). The transom-mounted transducer features multiple coverage angles of 20, 60 & (2) 85° @ -10db (Total of 180°), so that you can adjust the coverage to suit depth and angling conditions for the best returns.
With an internal GPS antenna, you will always know where you are and how fast you are going. Mark waypoints for structures or areas where you've had angling success and return to them at a later date. Built-in UniMap cartography covers the contiguous US coastline, inland lakes and rivers at 30 meters per pixel resolution. Load optional cartography using the micro SD card slot for access to higher resolution maps of waterways across North America.
Display provides bright, clear color images for easy viewing in harsh sunlight
5" diagonal LED-backlit display
Shows temperature in Fahrenheit and Celsius
Screen snap shot
Split screen bottom lock
3D chart view
Large digits view
Wide/narrow cone split screen
Custom view selections
Custom digital readout
Selective fish ID+
X-Press menu system
Can be configured to show sounder readings, charts, or both
Gimbal or optional in-dash mount
Down Imaging/DualBeam PLUS creates high resolution images directly below
SwitchFire Sonar allows you to choose between clear or max mode to filter out noise or show more detail
Clear mode uses algorithms to reject interference
Max mode turns the sensitivity up to display all signal returns for more detail
GPS antenna built into the head unit
Saves up to 2750 waypoints
Saves up to 45 routes
Saves up to 50/20000 tracks/points
UniMap cartography covers the contiguous US coastline, inland lakes and rivers