Plastimo ECHOFISH 820 Manuel D'installation Et D'utilisation page 15

Sonar unit installation
1. Finding a mounting location
When starting the installation of your fishfinder, the following
should be considered:
a- Location has to be convenient to get the best viewing an-
gle.
b- Leave enough space to tilt & twist the bracket.
c- Leave enough behind the display unit to route the cable.
d) The mounting surface must be flat to ge a stable in-
stallation. Otherwise it will be very hard to fix the lower
twist base. An instable installation may damage your fish-
finder when the boat encounters severe wave shocks.
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Echofish 820 – Installation & Operation manual