Kayoba 002421, Operating Instructions Manual

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but also the depth and bottom conditions.
The echo sounder can be used in the sea, rivers and lakes,
and localises fish in fresh water and saltwater. The echo
sounder uses sonar technology. A sound wave signal is sent
out and an echo is returned via Wi-Fi to an iPhone, iPad,
or other connected device. All underwater information is
shown on the display, for example depth, temperature,
bottom contour, fish and their depth.
USE
The sensor runs on a built-in lithium battery. The battery
must therefore be charged with the charger. First release
the sensor.
FIG. 1
The charger connection is in the middle. The red light goes
on during the charging.
The battery is fully charged when