Eagle 480 Installation And Operation Instructions Manual page 28

If a second temp sensor is used, it must be the model TS-2U. This
model has a fixed electronic "address" which designates it as the second
of two temp sensors. Dual temperatures are only displayed on the Full
Chart page. The Large Digital page will only display the primary
temperature sensor. See the following wiring diagram for temperature
and speed sensor combinations.
Power/trans-
ducer cable
Sonar unit with secondary external temperature 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.
Sonar unit
rear view
Temp sensor built
into transducer.
22
T2-U temp sensor
SP-U speed sensor
or combo speed/
temp sensor.