extremely high temperatures generated in hot weather
can damage the electronics.
8. Problem and Solution
-12-
If the FF918 work in Wireless mode, it is not able to
get a RF signal from the Wireless sonar sensor, the
display will stop updating and the NO SIGNAL will be
showed after several seconds. When the reception is
lost or the wireless sonar sensor pulled out from the
water for more than a few seconds, the picture as
below will be displayed until the wireless sonar sensor
is cast into the water and the reception is regained.
signal not receive
1)The wireless sonar sensor uses line -of-sight wireless
technology. If objects are placed between the FF918 and
the wireless sonar sensor, the reception may be lost.
2)The wireless sonar sensor depth range is 3 to 300 feet
(1to 100 meters). Erratic readings may occur in water
that is shallower than 3 feet. In addition, because of the
nature of sonar, this product is not intended for use in
swimming pools or small enclosed bodies of water.
1.The FF918 lost signal in wireless User Mode.
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