Hummingbird Fish Finder 571 HD DI Review

This is another Humminbird unit that provides the basic fish finding features, plus Down Imaging.

The Humminbird 571 HD DI is a monochrome unit, with quite a wide screen, 5-inch in diagonal, 640 x 320 pixel resolution 16 LvL greyscale. It’s an HD unit, delivering images of higher accuracy, in SwitchFire and Down Imaging.

It?s sonar capabilities are similar to the ones of the 561 DI model: 00 kHz / 28° or 455 kHz / 16° in SwitchFire mode, and 800 kHz / 45° or 455 kHz / 75° in DI mode. read more