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NOTE: DO NOT mount the
transducer behind strakes,
struts, fittings, water intake or
discharge ports, or anything that
creates air bubbles or causes the
water to become turbulent. It is
important that the transducer be
in clean (non-turbulent) water
for optimal performance.
Connecting a Transducer
to Multiple Sensors
Speed Temp
Transducer
ToUnit
GETTING STARTED > INSTALLATION
10 Fishfinder 250/250C Owner’s Manual
Installing the Transducer
Proper transducer installation is key to getting the best performance
from your new unit. If the transducer lead is too short, extension
cables are available from your Garmin dealer. Coil and secure any
excess cable. DO NOT cut the transducer lead or any part of the
transducer cable, as this will void your warranty. The cable cannot
be spliced and connected to any existing (Garmin or non-Garmin)
transducer cables.
Following are some tips and basic installation instructions for
some popular transducers. Detailed installation instructions are
provided in the transducer kits. Some transducers may need to be
installed by a professional marine installer.
Transom Mount Installation
Transom Mount Transducer (depth/temp)