Choosing Range And Start Range Values In A Bottom Related Echogram - Simrad ES80 Reference Manual

The following methods can be used for this adjustment.
• Select [+] or [-] to choose the requested setting.
• Select the middle of the button, hold the mouse button depressed. Drag the
cursor sideways to increase or decrease the level.
• Select the middle of the button to open the menu. Type the requested value.
You can only type a new value if a computer keyboard is connected to your ES80
Processor Unit.
5 Locate the
Range
6 Choose a positive value for
preferred depth over or under the bottom.
Related topics
Range function, page 309
Start Range function, page 310
Observation range versus operational frequency, page 457
About bottom echoes, page 458
Choosing
Range
echogram
A Bottom echogram is mainly used when you wish to examine the echoes from fish
close to the bottom. In a Bottom echogram, the start depth of the echogram is defined
by the negative
Start Range
by the value.
Range
Context
The setting defines how "deep" you wish the ES80 to detect echoes. In other
Range
words, this is the vertical distance between the "top" and the "bottom" of the echogram.
The setting specifies the "bottom" depth, while the
Range
the "top" depth.
The range you specify applies to the currently selected echogram. It is identified with a
thick border.Several echogram types are available.
In a Bottom echogram, the
the vertical depth of the echogram. The
echogram shall start from a preferred height over the bottom.
406273/C
function.
to place the bottom of the echogram at the
Range
and
Start Range
depth value. The range from this start depth is defined
value is "added" to the
Range
Start Range
Operating procedures
values in a bottom related
Start Range
value to determine
Start Range
value must be negative because the
setting specifies
95