Start Range - Simrad ES70 - REFERENCE MANUAL REV A Reference Manual

Simrad ES70
Related topics
• How to choose the vertical range on page 75
• Start Range on page 114
• Echogram on page 158

Start Range

The function is available by clicking the
Start Range
menu.
Purpose
allows you to specify the start depth of the echogram, that is from which
Start Range
depth in the water column the presentation shall start. The value shown and selected is
applied to the currently selected echogram type.
Parameters
• : This parameter controls the start depth of your echogram.
Start Range
Example: In a bottom echogram, set the
make the echogram start from 5 meters above the bottom. Set
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.
Example: 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
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.
114
Description
If you open this menu button, you will only be able to
enter a value if a keyboard is connected to your ES70.
Note however, that you can click the button, and while
holding the mouse button depressed, and moving the
mouse sideways, you can change the start range value.
You can also adjust the gain setting by clicking and
holding either the [+] or [-] buttons. The setting applies
to the currently selected echogram (identified with a
thick border). Several echogram types are available,
these are selected in the
Start Range
Start Range
to the current depth plus 20 meters.
Range
button on the
Start Range
dialog.
Echogram
value to –5 meters. This will
to the 5 meters
Range
value to 10 meters. This will
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