How to open
This function is opened from the Active menu.
Description
The Ping-Ping Filter offers three different strengths. The echo information from two, four or eight transmissions ("pings") are averaged to distinguish real echoes from noise and
interference.
TipTo avoid all interference, a full synchronization of the various acoustic instruments is required.
Details
Ping-Ping Filter
The following filter options are provided:
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Off: Select Off to disable the filter. The historical information from previous transmissions ("pings") are not used to remove noise and unwanted echoes. |
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Weak: Select Weak to allow the filter to compare the echoes from the latest two pings. For the current echo to be shown, it must be present in both of these pings. |
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Medium: Choose Medium to compare the echoes from the latest four pings. For the current echo to be shown, it must be present in all of these pings. |
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Strong: Select Strong to allow the filter to compare the echoes from the latest eight pings. For the current echo to be shown, it must be present in all of these eight pings. |
Apply to All
Select this box to use the chosen setting on all the echograms of the same type.