Simrad ER60, Operator'S Manual

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Simrad ER60 Operator manual
72
850-164692 / Rev.B
Echogram: Type
This page is used to specify which types of information to be
displayed in the
Echogram view.
Reference
These selections define the range reference. All ranges in the
Echogram view can be referenced to either the surface or the
bottom depth detected by the echo sounder. The current depth
range is specified in the
Surface Range and Bottom Range
dialogues.
Backscatter
These selections define the type of acoustic backscatter data to
be displayed in the
Echogram view.
Pr (No TVG) - Power
Sv (20 log TVG) - Volume backscattering strength
Sp (40 log TVG) - Point backscattering strength
TS (40 log TVG) - Target strength. Only signals accepted as
single targets are displayed. These values are beam
compensated.
Sp & TS (40 log TVG) - Point backscattering strength overlaid
with Target strength data