I bought a a 778c and I have been having problems with it reading crazy. Showing fish at one depth and then jumping up to a shallow depth. It has been cutting off?? I have checked the connection and it is fine. I have called HB and they told me to cut down my fish sensitivity and raise the noise filter up, I have done that and had no luck. I was going to add the GPS to it but since I have had these problems with it, I don't know if I want to spend the extra money for it. If anyone has any suggestion please let me know. I'm going to call HB again in the morning.
Thanks,
Lynn
Last edited by crappie4me2; 10-29-2009 at 09:24 PM.
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Please remove this post. I have talked to HB and they walked me through some steps and I know have it working right.
Thanks,
Lynn
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