Kongsberg Simrad ST90, Reference Manual

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Start Sample
Use
Start Sample
to
select which sample to
start the test with. Each
vertical line shows the
signal measured from
a single transducer
element. Sample 0 (zero)
is measured when the
ping starts, while (for
example) sample 1000
is located several meters
out. Use
Start Sample
and
Sample Range
to select
which range to show in
the B-Scan presentation.
Sample Range
Use
Sample Range
to
select how many samples you wish to include in the test. Each vertical line shows
the signal measured from a single transducer element. Sample 0 (zero) is measured
when the ping starts, while (for example) sample 1000 is located several meters out.
Use
Start Sample
and
Sample Range
to select which range to show in the B-Scan
presentation.
Decimation Method
Sample range is normally selected so that there are no space to display all
measurements in the dialog box. If you need to reduce the number of samples, you
can select decimation methods
Single , Average or Peak .
• Single decimation method means that only the first sample is used, the rest are
disregarded.
• Average decimation method means that the average value of the samples is shown.
• Peak decimation method means that the strongest sample value is shown.
Scale
Choose the scale of the presentation.
• Select
Automatic
if you want the scale of the presentation to set itself up
automatically.
• Select
Manual
to manually set up the scale of the presentation.
Simrad ST90 Reference Manual