Humminbird 1198c SI Combo GPS Fishfinder Review

Looking for a top-of-the-line fish finder with advanced sonar, GPS, and chart plotting capabilities? The Humminbird 1198c SI Combo features side imaging sonar, external GPS, advanced Fishing System capabilities, and a huge 10.4″ HD display.

Super-Sized Display

The immense 10.4″ full-color screen provides an incredible 600V x 800H resolution and offers clear viewing even in direct sunlight.  Get HD picture-quality images of the water bottom for up to 240 feet on either side of the boat thanks to Side-Imaging technology. The gigantic screen is obviously great for finding fish and it is also fantastic for viewing of the built-in CoutourXD mapping system, advanced chartplotting, and navigation tools.

The Humminbird 1198c SI Combo Color Sonar GPS Chartplotter Fishfinder includes side imaging sonar, switchfire downlooking sonar, DualBeam PLUS sonar, 50 Channel GPS+WAAS, Ethernet Networking capabilities, ContourXD Built-in Map, Chartplotting, and a huge 10.4″ color screen.

High Definition Side Imaging

See approximately 480 feet of the bottom with picture-like clearness by using Side Imaging Sonar. Side Imaging highlights several functions that provide precise interpretation intensity of the sonar return. As an example, rock and gravel give you a clearer sonar return compared to mud and downhill slopes. The advantage of Side Imaging sonar is it presents an all around analysis of a sizable section of water. This provides the fisherman with  superior information about the bottom topography and exactly how structure is oriented.


SwitchFire regulates how the actual sonar results are viewed in the Sonar Displays. To view the highest level sonar details obtainable from the transducer beam (meaning considerably more fish arches and improved jig tracking), select Max Mode. To view significantly less jumble and a more accurate representation of fish size, opt for Clear Mode.

Down Imaging

Use Down Imaging to show cover and structure information underneath your fishing boat.

DualBeam PLUS Sonar

Your Humminbird 1198c Fishing System runs on the 200/83 kHz DualBeam PLUS sonar system. DualBeam PLUS sonar incorporates a narrowly concentrated 20 degree center beam, encompassed by an additional sonar beam of 60 degrees which broadens coverage to an area that is equivalent to your depth. For example, in water that is 35 feet, the wide beam will encompass an area 35 feet wide. DualBeam PLUS sonar results may be viewed together, observed separately, or at the same time in a side-by-side comparision. DualBeam PLUS™ is fantastic for an array of situations – from shallow water to deep sea fishing both in salt and fresh. Depth capacity is influenced by factors like boat speed, bottom hardness, wave action, water conditions and transducer set up.

Built-In Map

ContourXD cartography is supplied by Navionics and features coverage of 3,000 U.S. lakes.

50 Channel GPS

Humminbird’s 50-Channel GPS/WAAS receiver provides you with super fast positions that are precise within 2.5 meters. Includes trackplotting and chartplotting capabilities.

Ethernet Networking

High-speed built-in ethernet allows you to connect Humminbird fishfinder units and share sonar, GPS data, and waypoints across compatible units.

  • Huge 10.4″ diagonal DH Display – 600V X 800H – 4:3 Color TFT – 65,000 Colors
  • Side Imaging
  • Down Imaging
  • Switchfire
  • DualBeam Plus
  • HD Side Imaging
  • Networking
  • Built-in Maps
  • 50 Channel GPS
  • Trackplotting
  • Chartplotting
  • GPS Speed
  • Humminbird ContourXD Map
  • Power Output (RMS):  1000 Watts (RMS), 8000 Watts (Peak-to-Peak)
  • Measures 13.1″ W x 8.8″ H x 2.9″ D
  • Transducer – Standard: XHS-9-HDSI-180-T
  • Transducer Mounting: Transom
  • In Dash Gimbal Mount
  • Waterproof

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