Active Menu - Simrad ES80 Reference Manual

Active menu

The menu offers parameters related to current views and data presentations shown
Active
by the ES80.
How to open
Select the icon.
Active
The icon is located under the
icon one more time to close the menu.
Description
•
TVG (Time Varied Gain)
(Time Variable Gain) compensates for the loss of acoustic energy due to
TVG
geometric spread and absorption. This makes the targets with the same strength appear
with the same intensity independent of their physical distance from the transducer.
TVG function, page 414
•
Ping-Ping Filter
The
Ping-Ping Filter
pings in order to remove unwanted noise and interference from the ES80 presentation.
Ping-Ping Filter function, page 417
•
Bottom Gain
The
Bottom Gain
bottom conditions (rock, sand, mud etc) will result in different bottom echoes in
the ES80 echograms. By changing the bottom gain, the presentation is changed
depending on the bottom type.
Bottom Gain function, page 418
•
Echogram
The dialog box allows you to set up the parameters controlling the
Echogram
echogram presentation. Two pages control the horizontal lines and the echogram type
with applied TVG (time variable gain). One page controls how fast the echogram
travels horizontally across the presentation.
Echogram dialog box, page 419
406273/C
menu. Select the
Main
analyses the historical information from previous consecutive
setting controls the gain below the detected bottom depth. Different
Menu system
299