Kongsberg Simrad SN90 Reference Manual page 560

Simrad SN90 Reference Manual
Start Sample
Use
Start Sample
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
select which range to
show in the B-Scan
presentation.
Sample Range
Use
Sample Range
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
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
automatically.
• Select
Manual
If you choose manual scale you must define the upper and lower limits. Set
and
Minimum
558
to
to
to select how many samples you wish to include in the test.
Start Sample
if you want the scale of the presentation to set itself up
to manually set up the scale of the presentation.
to the desired values.
Maximum
and to select which
Sample Range
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