The FCV-588 replaced a FCV-585 that served well for 10 years. The transducer is a four year old Airmar B744v that worked well with the FCV-585. The wiring is in good condition and a good ground is present. The sensor selection is "600W", but other settings perform similar.
When the FCV-588 is initially turned on, depth is displayed for about a half second. Autorange will not settle and appears to be hunting. In manual range a bottom can be displayed and responds to manual gain changes or auto gain, but depth is not displayed. I've attempted using various settings in depths from 8' to 150' with the same problem.
Attached, are some screen shots and a short video of the autorange hunting...
Thanks for your help!!
When the FCV-588 is initially turned on, depth is displayed for about a half second. Autorange will not settle and appears to be hunting. In manual range a bottom can be displayed and responds to manual gain changes or auto gain, but depth is not displayed. I've attempted using various settings in depths from 8' to 150' with the same problem.
Attached, are some screen shots and a short video of the autorange hunting...
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Thanks for your help!!