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If it still doesn't work, check the battery voltage. Most complaints we hear about portable
units result from stale batteries. Make sure you buy fresh ones. Always remove batteries
from the compartment when storing the unit because dead batteries can leak and corrode
the contacts.
In cold weather the efficiency of dry cell batteries drops with the temperature. We find it a
good idea to have the batteries and the sonar unit good and warm before we leave home.
If the batteries do lose a charge, you can sometimes restore them by placing them in a
warm room or car interior. A better way is to replace them with batteries that have been
kept warm.
WARNING: Never heat batteries over an open flame or direct hot air onto them. A fire or
explosion could result.
Floating transducer version
If you have the floating transducer portable version the installation and the working
operation are more simple than ever.
You have only to insert the plug of the transducer into the rear side of the unit and put the
round transducer into the water. This special and easy-to-use transducer has a floating
element (see the image below) that floats on the water surface, allowing the round sensor
to go automatically into the right position to read the bottom and fish!
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