For the summer of 2015, Humminbird has launched a new line of fish finders: the HELIX 7 series. As terminology suggests, they all feature a 7-inch display, among other fish finding and navigation features. Evidently, one of the best models of the series is the SI model. Therefore, let’s see what the HELIX 7 SI GPS combo can do.
To begin with, the head unit features a 7-inch HD display, easy to read in direct sunlight or during night fishing, being LED backlit. The display is 256 TFT color