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Do not mount transducer directly in the
path of the prop. The transducer can cause
cavitation that may degrade the boat's performance
and damage the prop.
Make sure that the transducer is
below water level when the boat
is on plane at high speed
Apply marine sealant to all
screw threads to prevent water
from seeping into the transom.
Mount the transducer cable cover
well above the waterline.
Transducer should extend 1/8" (3mm) below
fiberglass hull or 3/8" (10mm) below aluminum hull
OK
Mount the transducer parallel with the bottom.
USS Jayhawk
Installing the Transducer
Proper transducer installation is key to getting the best performance from your new unit. If the trans-
ducer 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)
Connecting a Transducer to Multiple Sensors
Installation
,
DO NOT mount the transducer behind strakes,
struts, fi ttings, 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.
Mounting the Transducer
Speed Temp Transducer
To Unit
250C Manual.indd 7 1/27/2004, 3:54:59 PM