How To Change The Number Of Colours In The Echogram; Echogram; How To Select Echogram Presentation - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

Simrad ES70

How to change the number of colours in the echogram

By default you have 64 or 12 colours available to present the echograms, and a selection
of palettes. The colour scale can be retrieved any time by clicking the
icon on the
Title Bar
Which colour scale to use is defined in the
→ Title Bar on page 36
→ Colour Scale information pane on page 53
→ Colour Setup on page 125
You can filter out the weakest echoes by manually modifying the colour threshold.
Click the
1
Colour Scale
pane.
Move the cursor to the left side of the colour scale.
2
Observe that the cursor changes shape to a dual arrow line.
3 Click on the left edge of the colour scale, and drag the edge towards right.
Observe that the weakest colours are removed from the colour scale, and thus also
4
the weakest echoes from the echogram presentation.

Echogram

These procedures explain the various parameters controlling the echogram.
Related topics
• About range selection on page 210
• About dynamic range and display presentation on page 206
• About bottom slopes on page 209
• About TVG gain on page 205
• About bottom lines on page 211

How to select echogram presentation

On the ES70 you can choose from several echogram presentations.
1 Click the
Active
Click
2
Echogram
→ Echogram on page 158
70
.
icon on the
Title Bar
icon under the
Main
to open the
Echogram
dialog on the
Colour Setup
to open the
Colour Scale
menu to open the
Active
dialog.
Colour Scale
sub-menu.
Display
information
sub-menu.
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