Echo sounder on ships - Operational controls (Gain, Range, Phase, White Line, Time Varied Gain)

This video provides a quick lecture on the operational controls of the echo sounder used on ships to measure the depth of the water.
The controls discussed are: Gain, Range and Phase, White Line, Time varied gain, mark, power switch, and alarms.
Previous videos on this topic discussed the following:
Working principle of echo sounder: • Echo sounder on ships ...
Displays of echo sounder: • Echo sounders on ships...

[@papaninotv2799]

Hi can you please tell me what is the function of all the buttons of the Paper recording echo sounder

[@ankitarajawat7902]

Sir ur audio is well but screen is not proper visible..

[@SteeringMariners]

My apologies Ankita, some of my earlier videos had issues. Maybe I will re-record them soon, please watch the other 700 videos and let me know if they were useful:)