13
to turn on the display unit. If the display unit does not
turn on under properly operation, please send your
order
number
and
fish
finder
issue
to
for help.
2.
Depth reading is “
---
”
or incorrect
1) Other high power sonar fish finder close to the fish
finder will interfere with
the fish finder’s
sonar and
cause incorrect reading.
2) Please make sure the sonar is not out of power and
it is floats on water in peace. If water wave is too strong,
the depth reading might be incorrect.
3) Please make sure the water is within the depth range
of 2.6Ft/0.8M to 118Ft/36M.
4) Suspended matter, muddy water, or extremely heavy
vegetation may also confuse the sonar and cause
misreading of depth.
5) Oil, dirt would adhere to the surface of the sensor
and will affect the sonar sensor's performance. Please
make sure the surface of the sensor is clean.
6) Please make sure the sensor is vertically downward.
7) Adjust the sensitivity of the fish finder to be higher or
lower.
8) Please make sure the temperature is above -10
℃
/14
℉
.