Eagle FishEasy 240 Portable Installation And Operation Instructions Manual page 65

At left FishReveal menu screen. The feature is off and screen is in
normal mode. Right, Fish Reveal is on, in standard mode.
There are two FishReveal modes: standard and inverted. In standard
mode, the weakest echoes are white and the strongest echoes are black.
Echoes in between vary in gray in proportion to their signal strength.
In Inverted FishReveal mode, the weakest echoes are black and the
strongest echoes are white. Again, echoes in between vary in gray in
proportion to their signal strength. In all modes, the Grayline control
determines the range for black to white.
At left, standard FishReveal mode. Right, Inverted Fish Reveal mode.
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