Garmin GSD 28 Sonar Module Installation Instructions - Page 8

Dual-Element Transducers, Two Single-Element Transducers

Page 8 highlights

Dual-Element Transducers NOTICE Connecting the high-frequency wires to the low-frequency terminal block, or the low-frequency wires to the high-frequency terminal block, damages the device and the transducer. For dual-element transducers, the low-frequency element wires must be connected to the terminals labelled LOW and the high-frequency element wires must be connected to the terminals labelled HIGH. Ground (GRND), temperature (TEMP), XID and GID wires can be connected to either set of terminals. Two Single-Element Transducers To ensure proper transducer identification and safe operation, you must connect each single-element transducer to its own set of terminals. 8

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Dual-Element Transducers
NOTICE
Connecting the high-frequency wires to the low-frequency terminal block, or the low-frequency wires to the
high-frequency terminal block, damages the device and the transducer.
For dual-element transducers, the low-frequency element wires must be connected to the terminals labelled
LOW and the high-frequency element wires must be connected to the terminals labelled HIGH. Ground (GRND),
temperature (TEMP), XID and GID wires can be connected to either set of terminals.
Two Single-Element Transducers
To ensure proper transducer identification and safe operation, you must connect each single-element
transducer to its own set of terminals.
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