Started testing the waters for tournament fishing and my hdi 5 up front isnt cutting it. I need something larger that will hopefully link to my hdi 7 at the console. Eventually I want to switch to hummingbird for lakemaster, but for now, I need to go inexpensive and used. Thanks. You can email me at ed.disabled.vet@gmail.com if you have something that might work. Thanks, Ed Sent from my VS990 using Tapatalk