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borg230

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  1. borg230

    Tolson TF640 Echo Sounder

    I didn’t think anyone would know!!
  2. Hi Guys & Girls I am after some information which I can't believe is not readily available online I have been searching google and you tube for days. Can anyone tell me what the different colours mean on the display of the Tolson TF640 echo sounder, I am asking specifically about this one echo sounder as I know other echo sounders can use different colour spectrum's for different features etc. Does any one know what the colour spectrum runs to and from. Anyone with some experience using this model would be appreciated. (on another note I am already aware that the TF500 model uses different colours so anyone with advice based on that model wouldn't be the same. Thanks in advance.
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