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If you have not sent it away yet you might try a fix you have right there. My unit was a bit noisy then I put on a fresh battery, noise gone.
They are advertising for next season all models will have a much quieter motor and brighter "sunlight readable" display, can only imagine that means they are going brushless with everything. About time.
You mean even the Fl series, such as the fl18 are going to have a brushless motor starting next year?
I received a brochure from Vexilar and it had the new model in it it's a FLX30 BB. I guess the BB stands for Broad Band. It says you can tune the transducer from a 19 degree beam to an 8 degree beam.(sorry about the sideways pic.)
Hey Brewski! You still won't catch as many perch as me and my old LX-5!