Echograms; Surface Echogram - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

Simrad ES70
3 The menu controls the visual aspects of the system, such as parameters
Display
related to the display presentation.
The menu allows you to control the configuration of the signal processing, as
4
Setup
well as system installation and maintenance, and the interfaces to peripheral devices.
5 The menu has its content linked to the current active item (view or object).
Active
Use it to access special features available for the selected item.
For more information about the menu system, see The menu system on page 102.

Echograms

Surface echogram

This echogram is related to the sea surface. Start depth (upper echogram boundary) and
vertical range (across echogram) are manually selected by the
buttons on the
Main
This text identifies the transducer used to create the echogram.
C
D This is the scope view.
This view presents individual colour lines. The colour and length of each line
reflects the received echo amplitude.
44
menu.
A
B
Start Depth
This is the start depth of the echogram.
In a surface echogram it is normally set up
with = 0, or to a small value to
Start Range
start the echogram immediately under the
keel.
This is the bottom.
The total echogram range (A) to (F) is defined
with the button on the
Range
Unless specific conditions apply, or you wish
to control the range manually, use
Auto.
Example: In a surface echogram, set the
value to 0 meters. This will make the
Range
echogram start from the sea surface (provided
that the transducer offset has been defined).
Set to the current depth plus 20 meters.
Range
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.
and
Range
menu.
Main
=
Range
Start
338106/A