When the backing came off of my Hummingbird Panaroma ($250)I took it back to where I bought it, Auburn Sport & Marine. They said the problem looked like a warranty repair and shipped it off to the manufacturer for me.

My big mistake, I did not send in the warranty reg card when I bought it. So, Hummingbird had no record of me as the owner. I had to pay for the whole repair, which sucked. The repair was still cheaper than buying a new one.

Don't forget to send in your warranty cards. You will thank yourself later if something goes wrong.
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Carl C.