Simrad EQ42 Manual page 57

EQ42/50/52 Installation and service
Transducer connections:
ECHO1
Single frequency
50 or 200 kHz
Two frequency
50/200 kHz
! 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.
EQ40/50 internal connections
Transceiver Transceiver
1
38/200 kHz
50/200 kHz
2
ECHO2
Single frequency
38 or 200 kHz
57
Chapter 9
Combi transducer
38 and 200, or
50 and 200 kHz
>File: 4050trd.doc<