Humminbird ] 981 - Manual (Page 17)

TRANSDUCER INSTALLATION
There are two different installation methods for your transducer:
• Transom Transducer
• Trolling Motor Transducer.
Find the section that describes the method of installation you will be using.
Transducer Position
Correct transducer position
Incorrect transducer position,
interfering with the side beams
Motor Position
Motor is far enough forward
Motor is not far enough forward,
interfering with the side beams
The Side Imaging transducer has some special requirements because of its side
viewing capabilities:
• The Side Imaging transducer must NOT have anything obstructing the
‘view’ of the side looking beams, i.e. nothing can be in the line of sight of
these beams (not a hull, motor, or other transducer, etc).
NOTE: You may need to tilt the motor up and out of the way when using the side
looking beams.
• In order for the side beams to be displayed accurately, the transducer must
be mounted so that it is looking straight down in the water when the boat
is in the water.
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