The Humminbird 571 HD DI Portable is one of the latest models in the Humminbird 500 series. So far, it’s one of the best monochrome units with Down Imaging that you can have.
It features a 5-inch diagonal, 16 LvL Grayscale screen, 640X320 pixel resolution. Even though it’s black and white, it provides excellent, crystal-clear images, with very little noise, making it very easy to distinguish between structures, vegetation and fish.
This unit is equipped with a sensitive sonar, Dual Beam Plus, quite reliable up to 600ft. Down Imaging works great in waters up to 350ft. The transducer mounts via a suction cup so you don’t have to drill into your boat to attach it with screws. This makes it a great choice for rental boats.
Although is doesn’t feature and GPS or chartplotting features, this unit has all the fish finding options available. Therefore, you can scan the water in Fish ID mode, or you can view the SwitchFire and Down s
Imaging returns in split screen.
The 571 HD DI Portable comes with a portable case. Also, in the box includes a 12v battery and charger.