Table of Contents
Advertisement
a
Variable Depth
When enabled, a horizontal depth line is placed wherever you click in the
echogram. This is typically used to measure the water depth, the depth of
a school, or even single fish.
To move the depth line, click on it, and drag it up or down. The depth of the
line is displayed in a small box at the left side of the echogram.
b
Range Other
This feature is used when you set up your EK15 with both a surface related
and bottom related echogram shown simultaneously. When enabled, two
horizontal lines in the surface echogram indicate the range selected in the
bottom echogram.
c
Biomass
This option writes a curve on the echogram indicating the measured biomass
for each individual ping.
You can change the scale of the curve to fit the vertical space available on
the echogram.
3
Horizontal Scale
When enabled, equidistant horizontal scale lines are drawn inside the echogram in
the current foreground colour; black during day and white during night.
A maximum of 10 scale lines can be selected.
No scale lines are drawn when the scale line count is set to zero.
4
Vertical Ticks
When enabled, this function places vertical markers on the echogram.
a
None
No vertical markers are shown.
b
Time
This option places a short vertical line in the upper part of the echogram once
every specified number of minutes.
c
Distance
This option inserts a short vertical line is drawn in the upper part of the
echogram once every specified number of nautical miles.
d
Annotations
Select Text or Line to allow annotations to be displayed in the echogram view.
If you select Line, the text annotation will be followed by a vertical line for
improved visibility.
The annotations are controlled by the
5
Apply to all
Click this box if you wish to implement your changes to all the echograms presently
in use on the EK15.
351718/C
Functions and dialog boxes
dialog box.
Annotations
209
Advertisement
Table of Contents
