4.4 Making connections .......................................................................................................... 34
5.2 Troubleshooting ................................................................................................................ 38
Operation instructions ..........................................................................................................39
Sonar troubleshooting ..........................................................................................................39
Chapter 6 Maintenance .................................................................................................. 43
6.1 Routine checks ................................................................................................................... 44
Transducer cleaning .............................................................................................................44
7.2 Learning resources ........................................................................................................... 50
Physical specification........................................................................................................... 52
Conformance specification .................................................................................................. 52
9.1 Spares.................................................................................................................................. 54
9.2 Accessories........................................................................................................................ 54
6