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JRC JFE-700 User Manual

JRC JFE-700
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10. Appendix
10-3
Seabed Quality Change
Mud
Rock
In case of a hard seabed composed of rocks etc., its return trails long, as shown in right chart.
In case of a soft seabed made of mud, seaweed, etc., they poorly reflect an ultrasonic wave
to result in thin recording of the seabed with short trail.
The seabed quality can be more sufficiently identified with use of wider beam angle and
longer pulse width.
Usually lower frequency is used.
Abrupt-Sloped Seabed
Sidelobe
False echo
A dim echo may sometimes appear along an abrupt slope of seabed, as if it were floating
above the slope, when recording.

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JRC JFE-700 Specifications

General IconGeneral
BrandJRC
ModelJFE-700
CategoryMarine Equipment
LanguageEnglish

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