The 798ci SI Combo features a brilliant color, ultra-high resolution 640V x 640H 5" display combined with a 83/200KHZ dual beam sonar with 500 Watts of transmit power and 455KHz side imaging capability. The unit also features GPS chartplotting with internal antenna and built-in UniMap, and advanced Fishing System capabilities. Rugged construction and ease of use make Humminbird fishfinders a favorite of anglers worldwide.

The built-in UniMap covers the contiguous U.S.A. coastline and inland lakes and rivers at 30 meters per pixel resolution. On the coast, this clearly shows features as small as canals, and many coastal navigation lights. Inland, the UniMap features virtually all recreational lakes and rivers, plus hundreds of thousands of small lakes that don’t appear on other charts. In other words, your lake is likely to be there! The detail of these charts can be seen right on this page. With the UniMap, you have a chart virtually anywhere you travel in the United States.

• WeatherSense Barometer for weather prediction


• Wireless Sonar Link for remote sensing


• CannonLink for control of downriggers


• InterLink for networking with other units


Advanced Sonar Features:

• Freeze Frame with mark capability


• Instant Image Update


• Real Time Sonar RTS Window


• Selective Fish ID


• Sonar Echo Enhancement


• Sonar Recording


• Sonar Snapshot


• Split Screen Zoom


• TrueArch Technology


• Wide Narrow Cone Split Screen


User Friendly Technology

• Custom Digital Readout Selection


• Custom View Selections


• Large Digits View


• Quick Disconnect Mounting System


• Temperature Alarm


• Triplog


• X Press Menu System