Furuno TZT19F, Installation Manual

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1. MOUNTING
1-6
that the nut be tightened lightly at installation and re-tightened several days after the
boat has been launched.
1.2.2 How to mount a transducer inside the hull
Remarks on installation
This method is useful when mounting a transducer inside the hull of FRP ship, how-
ever, it affects the ability to detect the bottom, fish and other objects.
Necessary tools
The following tools are required:
• Do the installation with the ship moored at a dock, etc. The water depth should be
6.5 to 32 feet (2 to 10 meters).
• Turn off the engine.
• Do not power the unit with the transducer in the air, to prevent damage to the
transducer.
• Do not use this method on a double layer hull.
• Before attaching the transducer to the hull, check that the site is suitable, by following
steps 1 to 3 in the installation procedure below.
• Sandpaper (#100)
• Marine sealant
• Water-filled plastic bag
NOTICE
This installation method affects the ability to detect the bottom,
fish and other objects because the ultrasound pulse is weakened
when it passes through the hull.
Therefore, refrain from this mounting method for a transducer
that supports the RezBoost™ (Enhanced Mode), ACCU-FISH™
and/or bottom discrimination display feature.