I put a Helix 7 DI/GPS into a portable Genz-pack with a Humminbird soft case. Ordered an iceducer. XI 9/19. The interference issue seems to be the biggest problem. The setup for ice fishing mode is fairly straight forward per the website. Disable the demo mode. Enable the ice fishing mode. Set the depth source to 2D. Use the manual depth feature. Set the sensitivity way down. The unit has difficulty working past 30 feet. Any Marcum in the area creates trouble.