HELIX 7G4 - MEGA SI Combo - Rear-Mount Sonar and Temperature Sensor
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Detailed description
Detailed description
The Humminbird HELIX 7G4 - MEGA SI combined unit is a navigation and underwater detection solution designed for boaters seeking advanced features. It is equipped with a transom-mount transducer with temperature sensor.
MEGA Side Imaging and Down Imaging Sonar Capabilities
The HELIX 7G4 - MEGA SI offers Side Imaging (SI) and Down Imaging (DI) detection capabilities with operating frequencies of 455 kHz and MEGA. In Side Imaging mode, it uses 455 kHz and MEGA frequencies. The integrated CHIRP 2D sonar operates on a default frequency range of 150 kHz to 220 kHz.
GPS Navigation and Chartplotting
This combined unit integrates GPS features for navigation and chartplotting. It is compatible with various chart sources, including Navionics+, Navionics Gold, HotMaps, HotMaps Premium, and Platinum+, as well as Humminbird LakeMaster and Contour XD. The device supports the creation of custom charts via AutoChart Live and allows waypoint, route, and track management. The triplog records elapsed time, distance traveled, and average speed.
Connectivity and System Integration
Power input requires 10 to 20 VDC. The device is rated IPX7, ensuring waterproofing during immersion up to 1 meter for 30 minutes.
Expert opinion
Expert opinion
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