The depth at low speed, idle, or fast is erratic. Jumps from 5' to 1500' and everything in between.
I have looked at sensor, cleaned connectors etc... will work fine for 30 mins then jumps ...etc.
Transponder in off the back of hull. No issues in past 2 yrs with unit. Gps works fine.
Suggestions or do I need a new transponder?
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Replies
http://www.humminbird.com/FAQ.aspx?ContentId=1764
Thank you,
Deborah @ Humminbird