Side Imaging Forums > 797c SI

unit doesn't work properly after about 95 ft

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bobcoy:
yes,duel beam

rnvinc:
"Dual Beam" is defined as a HB unit capable of transmitting 2 separate frequencies for the 2d sonar function ...

Like Bob mentions ...your 797 is capable of "Dual Beam" ...
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As a sidenote ... "Dual Beam Plus" is defined as a HB unit capable of 2 separate frequencies for the 2d sonar function ... AND the capability to display those 2 frequencies separately or combined in 1 split sonar view or blended into one sonar view ... 

Rickie

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