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1.No signal on screen
If the fishfinder fails to receive signals from the sensor, it will
stop updating the screen (which will then remain unchanged).
Under any circumstances, if the sonar unit can not receive
signals transmitted by the RTS sensor
the screen will seem the
same until
signals are restored.
1) FC500 / 520 is a product depending upon line of sight.
Obstacles
between the handheld and the sensor can contribute
to signal loss.
2) FC500 / 520 has a detection depth ranging from 0.6 or 0.3
(0.6 for FC500; 0.3 for FC520) to 30 meters. Incorrect
readings may appear in water areas with
depth less than 0.6m
(or 0.3m). Additionally, considering the sonar physical characters,
we suggest you avoid using the product in shallow or small-
sized enclosed water areas.
Note: the depth is calculated from the bottom of sensor, which
is fixed on your bait boat.
3) The maximum remote-control distance for the sensor reaches
1000 feet (300m). If the sensor with the bait boat moves out
of the range, inconsistent signals will happen or even no
signals will be transmitted to the sonar unit.
2. Nothing is displayed after the fish finder is powered.
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