The Humminbird 688ci HD DI Combo is one of the new 600 series fish finders. It shares many similarities with the 788ci HD DI Combo, but it's considerably cheaper. This unit has a 5-inch vertical layout screen, 480 x 640 pixel resolution, with a backlit, 256 color display (TFT). As its name suggests, its a High Definition fish finder, even though it's a smaller unit, and does … [Read more...] about Hummingbird Fish Finder 688ci HD DI Combo
fish finders
CHIRP Sonar Technology Explained
Many of the latest fish finder models come with CHIRP technology, or at least are CHIRP compatible. So, I'm pretty sure many anglers wonder, what exactly this new feature is. Here's an explanation, and I'm going to try to put it in simple words. First of all, CHIRP stands for Compressed High Impact Radar Pulse. The technology was actually developed quite many years ago, in … [Read more...] about CHIRP Sonar Technology Explained
Dual Beam vs Tri Beam Sonar
If you're trying to decide between a dual beam and a tri beam sonar fish finder, to make sure you get the one that fits best to your needs, I hope this post will help. First of all, this is how a dual beam and a tri beam works. A dual beam sonar projects two concentric cone sonic beams into the water, directly under the boat, under the transducer, to be more specific. One … [Read more...] about Dual Beam vs Tri Beam Sonar
Hummingbird Fish Finder 561 Review
Also an affordable unit, the Hummingbird Fish Finder 561 will provide you with the necessary package of oprions for tracking fish. Somewhat similar to the Hummingbird Fish Finder 718 unit, this unit also has a 5-inch diagonal display, with a 320V x 320H pixel resolution, in 12 level grayscale. Even if it's black and white, you will get pretty accurate returns and make a clear … [Read more...] about Hummingbird Fish Finder 561 Review