HDR 600 Depthfinder - Incorrect Reading

[jroyal]

My factory installed depthfinder constantly reads 1.5 ft. (no matter how deep the water is.) I've seen two other Nautiques with the same depthfinder with the same problem. My boat is 3 yrs old. Anyone else experiencing simliar problems?

[Jr]

Humming bird hdr 600. I spent a day with Chris Shelley from Techsonic Industries Inc. We found out there a problem in the computer program They might still warranty it here is his number 334-687-6613 Ext 1292