CH250 - Hydro Tech signal amplifier box

G

GWB

Furuno Fan
Is anyone familiar with these? This unit wires to the test point on the processor board to give the operator the ability to "tune out" noise and only allow a speaker to emit a sound once a particular echo (like bait fish would give) Sort of a squelch for the sonar
Thanks for any help
 
GWB,
Sorry, I have never of it.
However it sounds very similar to the audio channel we have built into our CH-series of sonars.

Snips
 
GWB,
On the sonars it is standard and the circuitry is built in on the TR board.

Snips
 
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