Simrad ES80 Reference Manual page 426

Simrad ES80 Reference Manual
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Echogram dialog box, page 419
Related tasks
Enhancing the bottom contour in the echograms, page 118
Adding vertical marker lines to the echogram, page 119
Adding horizontal depth lines to the echograms, page 120
Adding a variable depth line to the echogram, page 121
Related functions
Annotation markers description, page 269
Biomass Line description, page 270
Bottom Line description, page 272
Hardness Line description, page 273
Range Other Line description, page 275
Scale Lines description, page 276
Trawl Line description, page 277
Variable Depth Line description, page 278
Vertical Tick description, page 279
White Line description, page 280
Echogram: Echogram page
The page allows you to choose which type of echogram you wish to display.
Echogram
You can also control the TVG (Time Variable Gain). The ES80 can work with several
different TVG compensation settings. The TVG (Time Varible Gain) compensation is
designed to counteract the natural phenomena of geometric spread and absorption loss.
How to open
This dialog box is opened from the
424
if you wish to use the chosen settings on all the echograms
menu.
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