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The HD380 is dual frequency echosounder that is frequency adjustable. Using the latest VF technology and provides the ability to simultaneously record both high and low frequencies.
The HD380 can be configured with various transducers in offering frequencies, the standard transducer offered being 20 kHz (Low Frequency) and 200 kHz (High Frequency) to meet all aspects of marine survey needs. The HD380 ideal TVG curve is designed according to characteristics of sonar transmission under water, optimizing sounder capability and improving survey performance. The HD380 is configured with a high-brightness high-resolution LCD screen and mass storage to support your convenient field survey.