the transducer.
●Calibrate water temperature: calibrates the water temperature sensor. Using the
readings from a precise temperature measuring device, insert here a positive/negative
oset to display correct value on the Fish Finder screen.
●Calibrate auxiliary water temperature: calibrates the Aux Temperature sensor. Using
the readings from a precise temperature measuring device, insert here a positive/
negative oset to display correct value on the Fish Finder screen.
●Interference rejection: removes interference from other Fish Finders.