Driver for Marimatech E-Sea Swathe 501 5 channel echosounder. The echosounder is seen as a mechanic profiler because of the delays for each of the five channels.
The echosounder unit is interrogated for the sound velocity (CS<CRLF>) at startup and when resetting the I/O.
No Quality Indicators (QI) are available. QI will always be set to 3.