Instruction manual

Installation and service Chapter 12-11
Transducer connections:
Internal connections
Transceiver Transceiver
1 2
50/200kHz 38/200kHz
ECHO1 ECHO2
Combi transducer
38 and 200, or
50 and 200kHz
Single frequency Single frequency
50 or 200kHz 38 or 200kHz
Two frequency
50/200kHz
! Warning!
Transducers containing speed log sensor e.g. Airmar B744V must never be
connected to the port “ECHO2”. To avoid accidental connection, “ECHO2” is
sealed with a small silicone plug, which of course is removable so e.g. a combi
transducer can be connected.