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Powerful digital signal processor
A high-speed microcontroller capable of 10 million instructions per second,
and a large memory to handle the advanced digital signal processing techniques
required to calculate the depth of water below the vesel, vessel speed,
distance travelled and water temperature.
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Class leading depth performance
Depth performance in a class of its own, with an industry leading shallow
depth capability of just 0.3 metres / 1 foot (below 10 knots), and a
maximum depth of 200 metres (depending on the transducer type).
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Proven depth algorithm
The depth processing algorithms have been fine-tuned over an 6 year period
and represent the best-in-class available for calculating the correct
depth, even under difficult conditions - at speed, with layers of algae,
turbulence and interference from other vessels.
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Optional depth frequencies
Three variations of the module are available to match an existing
depth tranducer's frequency - 150kHz, 200kHz or 235kHz.
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Speed tracking algorithm
Speed calculations can accurately track even the smallest changes in vessel
speed, with a resolution of 0.1 knots.
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Temperature algorithm
A thermistor can precisely measure the water temperature around the transducer,
with a 0.1°C
resolution.
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Transducer interfaces
Depth: connects to a standard piezoelectric depth transducer
crystal element using a three-wire interface.
Speed: connects to a standard 'paddle-wheel' hall-effect
speed transducer using a three-wire interface.
Temperature: connects to a standard metal case thermistor transducer
using a two-wire interface.
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