Hello,<br /><br />Can anyone describe the differences for a Hummingbird 300TX ( tri beam 90 degree display 128 x 64 200/455 KHZ), Wide Portait( 128 x 128 display tri beam 90 degree 200/455KHZ )and Wide Eye 100 (128 x 64 display dual beam 200/455 KHZ)fish finders . I also know some of these units use different Transducers. The manuals are pretty vague as far as description and what they are best used for?
