Echo sounder - Errors & Limitations

[@MrLokrock]

hello sir
there is one question which has been coming now and then .
how to correct " zero line adjustment error" ?
please advice .

[@Sahirose]

Very informative video sir

[@TamunoiyallaNicholasNemi]

hello Sir,
why is the siting of the echo sounder transceiver important?

[@krutikamanjrekar93]

There is no Pythagoras error mention here.

[@glitchinthematrix7287]

How to rectify Multiple Echo error??