Dare to go digital
Electronics manufacturer Lowrance claims to clear up confusion about digital depth sounder technology. In a recent press release, Lowrance said that all modern depth sounder screens are digitalFrequency-based sounders receive a signal from a transducer operating in analogue kHz frequency, (like a radio signal), which is converted to a digital display onscreen via activated pixels.
An analogue signal has an infinite number of states between given upper and lower limits of its range, so structure and fish can be shown in varying forms depending on the strength of the signal.
Lowrance makes the distinction, however, between an analogue frequency converted to digital screen display, and a digital signal.
The company says that a digital signal has only two values, either on or off, and that a digital signal cannot be used through a transducer to send and receive information for a depth sounder.
Based on this distinction, the company asserts that Lowrance and Eagle depth sounders have used digital signals for many years.
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