Power/trans-
ducer cable.
Sonar unit with secondary temperature sensor. Primary temp sensor
Power/trans-
ducer cable.
Sonar unit with external speed sensor or combo speed/temp sensor.
The primary temperature sensor is built into the transducer.
Sonar unit
rear view
Temp sensor built
into transducer
is built into the transducer.
Sonar unit
rear view
Temp sensor built
into transducer
19
T2-U temp sensor
SP-U speed sensor
or combo speed/
temp sensor.