Ping-Ping Filter Function - Simrad ES80 Reference Manual

Related tasks
Adjusting the TVG (Time Variable Gain) setting, page 113
Adjusting the TVG in the Echogram dialog box, page 114
Related dialog boxes
Echogram dialog box, page 419
Echogram: Echogram page, page 424
Conceptual descriptions
About sound wave propagation, page 459

Ping-Ping Filter function

The
Ping-Ping Filter
in order to remove unwanted noise and interference from the ES80 presentation.
How to open
This function is opened from the
Description
The
Ping-Ping Filter
four or eight transmissions ("pings") are averaged to distinguish real echoes from noise
and interference.
Tip
The Biomass information pane displays an index of the biomass in the current echogram
view. You may experience very high and unrealistic biomass values that do not match
the information in the echogram. Try the
To avoid all interference, a full synchronization of the various acoustic instruments is
required.
Details
Ping-Ping Filter
The following filter options are provided.
•
Off
The filter is disabled. The historical information from previous transmissions
("pings") are not used to remove noise and unwanted echoes.
406273/C
analyses the historical information from previous consecutive pings
menu.
Active
offers three different strengths. The echo information from two,
Functions and dialog boxes
.
Ping-Ping Filter
417