Simrad ES70 Operator's Manual page 33

3 Observe the
Range
The function allows you to specify the vertical range of the water column
Range
covered by the echogram. The range is defined from a selected start range, and
down to a value beneath the current bottom depth. The value shown and selected is
by default applied only to the currently selected echogram.
Observe the
4
Start Range
The
Start Range
is from which depth in the water column the presentation shall start. The value
shown and selected is applied to the currently selected echogram type. In a surface
related echogram, you can click
the start range automatically.
Example 2 Start Range in a surface related echogram
In a surface echogram, set the
will make the echogram start from the sea surface (provided that the
transducer offset has been defined). Set
20 meters. The echogram will now show the area from the sea surface
and down to 20 meters "below" the bottom. The bottom contour is
easily detected when the depth changes.
Example 3 Start Range in a surface echogram
In a surface echogram, set the
make the echogram start from 10 meters below the sea surface (provided
that the transducer offset has been defined). Set
depth plus 20 meters. The echogram will now show the area from 10
meters below the sea surface, and down to 10 meters "below" the
bottom. The bottom contour is easily detected when the depth changes.
5 Set to Auto, and set
Range
Observe the changes made to the surface related echogram.
6 Click in a bottom related echogram to make it "active".
7 Observe the
Range
Example 4 Start Range and Range in bottom related echogram
In a bottom echogram, set the
make the echogram start from 5 meters above the bottom. Set
the 5 meters plus 10 = 15 meters. The echogram will now show the area
from 5 meters above the depth, and down to 10 meters "below" the
bottom. The bottom contour will appear as a flat line.
343539/B
button on the
Main
button on the
function allows you to specify the start depth of the echogram, that
Automatic Start Depth
Start Range
Start Range
Start Range
and buttons on the
Start Range
Start Range
menu.
menu.
Main
to allow the ES70 to select
value to 0 meters. This
to the current depth plus
Range
value to 10 meters. This will
Range
to 0.
menu.
Main
value to –5 meters. This will
Getting started
to the current
to
Range
31