17
Sonar unit with external temperature sensor. Transducer lacks a built-
in temperature sensor.
Sonar unit with external combination speed and temperature sensor.
The transducer has no temperature sensor.
Transducer with no
temperature sensor
ST-TU combination
speed and temperature
sensor
TS-2U
temperature
sensor
Transducer with no
temperature sensor
Sonar unit
rear view
Sonar unit
rear view
Power/trans-
ducer cable
12-volt battery
3-amp fuse
Power/trans-
ducer cable
12-volt battery
3-amp fuse