How To Check The Colour Scale Settings; How To Check The Size Distribution And Fish Position Settings - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

Simrad ES70

How to check the colour scale settings

Click the
1
Colour Scale
pane.
→ Colour Scale information pane on page 53
Observe that the current colour scale is shown.
2
You can filter out the weakest echoes by manually modifying the colour threshold.
a Click the
Colour Scale
pane.
b Move the cursor to the left side of the colour scale.
Observe that the cursor changes shape to a dual arrow line.
c Click on the left edge of the colour scale, and drag the edge towards right.
d Observe that the weakest colours are removed from the colour scale, and thus
also the weakest echoes from the echogram presentation.
3 Click the
Display
→ Display menu on page 107
4 On the menu, click
Display
Observe that the
colour scale to use on the ES70 presentations. You can test the options by making
a selection, and clicking
in the
Colour Scale
When the colour scale uses 12 colours, each colour always represents a 3 dB value
range. Using 12 colours thus enables mapping of a 36 dB value range to colours.
→ Colour Setup on page 125
5 Click to accept the default settings and close the dialog.
OK

How to check the size distribution and fish position settings

Note
Size distribution and fish position information panes are only available if you use a
split beam echo sounder system!
1 Click the
Size Distribution
information pane.
24
icon on the
Title Bar
icon on the
icon to open the
Display
Colour Setup
dialog opens. This dialog is used to define which
Colour Setup
. The resulting colour scale is immediately shown
Apply
information pane.
icon on the
to open the
Colour Scale
to open the
Title Bar
menu.
.
to open the
Title Bar
information
information
Colour Scale
Size Distribution
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