Ninglu FS117 Operation & Installation Manual
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8Operationmode. When the Bottom lock zoom is on, “ ” will show on the screen.Press【MODE】to choose zoom rate: OFF, ×2, ×4, ×8Layer Zoom ModeThe screen is divided into 4 layers, press【MODE】to choose the layerexpanded.Layer zoom is not available in dual-frequency mode or range relay mode.When the layer zoom is on, it will display “ ”.FISH AL ARMIt will display a fish symbol “ ”when the fish alarm function is on.The fish alarm is available when the fish school is deeper than 2m deep.SIG NAL DELETEColors indicate the strength of the echo from strong to weak.The weaker colors can be deleted to show the needed echoes clearly.Cancel 0~5 colors (when 8 colors chose).Cancel 0~7 colors (when 12 colors chose). |
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